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Prof. Dr. Ozan Beytemur is an experienced orthopedic surgeon with over 20 years in the field. He is a Professor at Health Sciences University, Istanbul Bağcılar Health Practice and Research Center. He is known for his research in bone healing, osteoporosis prediction, and orthopedic biomechanics. He has published many articles in leading international journals.

Dr. Beytemur has served as Chief Physician and has led improvements in orthopedic care and education. He holds the TOTBİD-TOTEK Board Certification. He has also completed international courses, including the AO Pediatric Trauma Course. He specializes in complex surgeries, such as bone tumor treatment and advanced fracture management. He is active in Turkish orthopedic associations and has supervised important theses, helping to advance orthopedic science and education.

Dr. Zohar Dotan is Head of the Urology Department at Sheba Medical Center. He is a leading uro-oncologist and a pioneer of robotic and laparoscopic urologic surgery in Israel.

He has authored more than 50 scientific publications. He is a regular speaker at international conferences. He has received awards from the American Association of Clinical Surgery, including recognition for research in prostate cancer treatment.

Leadership and credentials: Head of the Israeli Uro-Oncology Society. Assistant Professor at Tel Aviv University. Member of the Israeli, American, and European Urological Associations. Training: MD from Tel Aviv University and a PhD in Genetics. Urology residency at Sheba Medical Center. Fellowship in uro-oncology and laparoscopic surgery at Memorial Sloan Kettering, New York.

Dr. Nir Kleinmann, MD, directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is an expert in minimally invasive urology and urologic oncology. His focus is the kidney and upper urinary tract. He was named among Israel’s Best Doctors for 2025–2026 by Forbes and ResultMed.

He is a pioneer of kidney‑sparing laser surgery. He uses a dual‑laser system with neodymium and holmium for complex tumors. His expertise includes UTUC, kidney and prostate cancer, kidney stones, and BPH.

His research includes the OLYMPUS trial on chemoablation for UTUC. He has more than 60 publications.

He is an Israeli board‑certified urologist. He is a Fellow of the American Endourology Society and a member of the Israeli Urological Association and the EAU. He completed fellowships in Endourology and Minimally Invasive Surgery at Thomas Jefferson University. He also completed a fellowship in Kidney Cancer Research at McMaster University.

Dr. Boaz Liberman, MD, is an orthopedic oncologist and sarcoma surgeon for adults and children. He directs the Orthopedic Oncology Unit and serves as Vice Head of Orthopedic Surgery at Sheba Medical Center. His focus is limb-sparing cancer surgery with functional reconstruction. He performs complex joint reconstruction, revision arthroplasty, MRgFUS, and reconstruction after bone metastases.

Education and training: MD, Tel Aviv University. Orthopedic surgery residency, Sheba Medical Center. Fellowships in Adult Reconstruction at Mount Sinai Hospital, Toronto, and in Orthopedic Oncology at Mount Sinai Hospital and Princess Margaret Cancer Centre. He is board-certified in Orthopedic Surgery and in Orthopedic Oncology Surgery. He is a Clinical Instructor at Tel Aviv University. Memberships include the Israel Medical Association, Israel Orthopedic Association, AATB, and EATB. He also serves on national advisory committees. His research covers bone and soft tissue sarcomas, serum markers, imaging-guided therapies, MRI arthrography, and the biomechanics of bone treated with MRgFUS.

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Position:

Associate Professor ,

General Surgery Department

ISTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL General Surgery Department

PERSONAL INFORMATION

Birth Date: 14.05.1982 

Place of Birth      : Şanlıurfa, Türkiye

Married, father of one.

CITIZENSHIP:

Republic of Turkey

EDUCATION:

Specialization:

General Surgery Department

Istanbul Kartal Dr. Lütfü Kırdar Training and Research Hospital (2009- 2014)

University

Istanbul University Istanbul Faculty of Medicine (20022008)

Anadolu University Faculty of Business Administration - Administration of Health Institutions (2013-2015)

Anadolu University Faculty of Open Education Department of Law (2016-)

High school

Erzincan Science High School (1998-2002)

Working Experience:

ERZINCAN NEVZAT AYAZ SCIENCE HIGH SCHOOL 1998-2002

ISTANBUL UNIVERSITY ISTANBUL FACULTY 2002-2009

GENERAL SURGERY ASSISTANT ISTANBUL KARTAL DR. LUTFI KIRDAR TRAINING AND RESEARCH HOSPITAL 2009-2014

SPECIALIST PHYSICIAN MEDENIYET UNIVERSITY GOZTEPE TRAINING AND RESEARCH HOSPITAL 2014-2015

CHIEF PHYSICIAN T.R.  MINISTRY OF HEALTH SILOPI STATE HOSPITAL 2015-2016

SPECIALIST PHYSICIAN T.R. MINISTRY OF HEALTH DERINCE TRAINING AND RESEARCH HOSPITAL, 2018-2020

SPECIALIST PHYSICIAN SANLIURFA MEHMET AKIF INAN TRAINING AND RESEARCH HOSPITAL 2016-2018

ASSOCIATE PROFESSOR ISTANBUL KARTAL DR. LUTFI KIRDAR CITY HOSPITAL 2020-2023

İSTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL 2023-

PUBLICATIONS

National and International Articles

1 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2021). Inguinal hernia repair via laparoscopic transabdominal preperitoneal (TAPP) method: Our 2 years clinical results. Annals of Medical Research, 28(4), 812-815., Doi: 10.5455/annalsmedres.2020.05.443

2 SAĞIROĞLU ŞÜKRİYE JÜLİDE, ÖZDEMİR TUĞRUL, ATAK TUBA, GÖK MEHMET ALİ, ORHUN ERDOĞAN KIVILCIM, EREN TURGUT TUNÇ, ALİMOĞLU ORHAN (2016). Laparoscopic Total Extraperitoneal Inguinal Hernia Repair Without Mesh Fixation: Report of Early Outcomes. SouthernPrint Date :22/10/2022 17:41:41 Clinics of Istanbul Eurasia, 27(3), 215-219., Doi: 10.14744/scie.2017.64872 

3 ÇİFTÇİ ALİ, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2022). Management of Acute Biliary Pancreatitis in Cholecystectomized Patients. Bezmiâlem Science, 10(4), 507-511. Doi: 10.14235/ bas galenos. 2021.6708

4 GÖK MEHMET ALİ, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, KOCAOĞLU AYTAÇ EMRE (2022). Gastrointestinal Stromal Tümörlerde İmmünohistokimyasal Markırların ve Tümör Boyutunun Prognoz Üzerindeki Rolü. Kocaeli Tıp Dergisi, 10(2), 101-104. M-784-1650 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Laparoscopic transabdominal preperitoneal repair of strangulated femoral hernia: Superiority of an unusual emergency surgical approach due to a case. Annals of Medicine and Surgery, 36(1), 110-112.

5 GÖK MEHMET ALİ, KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KAFADAR MEHMET TOLGA (2022). The sensitivity of ultrasound in the clinical diagnosis of inguinal hernias in adults: a comparative study. Journal of Ultrasound, 1-4., Doi: 10.1007/s40477-021-00641-4

6 KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KARATAY EMRAH, GÖK MEHMET ALİ (2022). Comparison of the Effectiveness of Ultrasound Imaging and Perioperative Measurement in the Diagnosis and Characterization of Incisional Hernia. Journal of Medical Ultrasound, 1-5.

7 GÖK MEHMET ALİ, DEMİR MUSTAFA, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, ŞENOL METİN, KOCAOĞLU AYTAÇ EMRE, AKIN EMRAH (2022). Endoscopic Intra-gastric Botulinum Toxin A for Obesity Treatment: IsIt Effective?. Kocaeli Tıp Dergisi, 11(2), 149-152.

8 GÖK MEHMET ALİ, KARATAY EMRAH, ÇİFTÇİ ALİ (2022). İnguinal Hernilerde Balonsuz ve Mesh Sabitleyicisiz Laparoskopik Total Ekstraperitoneal Onarımın Cerrahi Deneyim ile Korelasyonu. Dicle Medical Journal, 49(3), 498-503., Doi: 10.5798/dicletip.1170263

9 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Effects of Carvedilol on Liver İschemiaReperfusion İnjury in Rats. Ulusal Travma ve Acil Cerrahi Dergisi-Turkish Journal of Trauma & Emergency Surgery, 28(7), 885-893.

10 ŞENOL METİN, GÖK MEHMET ALİ (2022). Small Bowel Obstruction due to Phytobezoar. Kocaeli Tıp Dergisi, 11(2), 1-6.

11 KARATAY EMRAH, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). Measurement of hiatal surface area and other hiatus oesophageal diameters at computed tomography imaging in patients with gastroesophageal reflux disease and its relationship with hiatal hernia. Journal of Minimal Access Surgery, 17(4), 537-541., Doi: 10.4103/jmas.JMAS_175_20

12 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2021). Perforated colorectal cancers; clinical outcomes \nof 18 patients who underwent emergency surgery. Gastroenterology Review, 16(2), 161-165., Doi: 10.5114/pg.2021.106667

13 YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2020). Comparison of Perioperative Standard and Immunomodulating Enteral Nutrition in Patients Received Major Abdominal Cancer Surgery: a Prospective, Randomized, Controlled Clinical Trial. Indian Journal of Surgery, 82, 828-834., Doi: 10.1007/s12262-020-02114-0 

14 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2020). Effects of Preoperative Oral Carbohydrate Loading on Preoperative and Postoperative Comfort in Patients Planned to Undergo Elective Cholecystectomy: A Prospective Randomized Controlled Clinical Trial. Iranian Red Crescent Medical Journal, 22(11), 1-6., Doi: 10.32592/ircmj.2020.22.11.107

15 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2019). Comparison of negative-pressure incision management system in wound dehiscence: A prospective, randomized, observational study. Journal of Medicine and Life, 12(3), 276-283., Doi: 10.25122/jml-2019-0033

16 KAFADAR MEHMET TOLGA, YALÇIN METİN, DADÜK YILDIRAY, SOYALP MURAT, GÖK MEHMET ALİ (2018). Laparoscopic Cholecystectomy for Acute Cholecystitis in Situs Inversus Totalis: An Extraordinary Approach. Eurasian Journal of Emergency Medicine, 17(2), 82-84.

17 KAFADAR MEHMET TOLGA, TEKER İBRAHİM, GÖK MEHMET ALİ, UĞURLU ESAT TAYLAN, ÇETİNKAYA ISMAİL (2018). Atraumatic splenic rupture secondary to abscess in a hemodialysis patient: a rare and fatal cause of acute abdomen diagnosed late. Journal of Surgical Case Reports,5, 1-3., Doi: 10.1093/jscr/rjy103

18 KAYA FERUDUN, KAFADAR MEHMET TOLGA, KISMET KEMAL, GÖK MEHMET ALİ, ERTAŞ ERTUĞRUL (2018). Congenital Transmesenteric Hernia Without Bowel Strangulation in a Young Adult. The Medical Bulletin Of Haseki, 56(4), 337-340., Doi: 10.4274/haseki.galenos.2022.8361

19 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, GÜNEŞ ABDULLAH (2018). Laparoscopic treatment of hepatic hydatid disease: Şanlıurfa-Turkey experience and early clinical outcomes. Laparoscopic Endoscopic Surgical Science, 25(3), 98-102., Doi:14744/less.2018.4353171203046744-1078.03 Basım Tarihi 22/10/2022 17:41:41 Sayfa: 2

20 KAFADAR MEHMET TOLGA, YALÇIN METİN, GÖK MEHMET ALİ, AKTAŞ AYŞEGÜL, YÜREKLİ TACİTTİN SEMİH, ARSLAN AYŞEGÜL İSAL (2017). intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor. intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor, 13(3), 156-168., Doi: 10.5152/ejbh.2017.3472

 21 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, ÖTER VOLKAN (2017). Early-term elective laparoscopic resection after endoscopic detorsion in cases with sigmoid colonic volvulus. Annals of Clinical and Analytical Medicine, 8(6), 492-495., Doi: 10.4328/JCAM.5231

22 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ÖTER VOLKAN (2017). Late-diagnosed penetrating stab Wounds in diaphragm and herniation. Annals of Clinical and Analytical Medicine, 8(4), 367-369., Doi: 10.4328/JCAM.5103

23 ANADOLULU ALİ İHSAN, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ANADOLULU ZEYNEP (2017). Laparoscopic spleen-preserving distal pancreatectomy with splenic vessel preservation for pancreatic pseudocyst in a 10-year-old boy. Journal of Pediatric Surgery Case Reports, 34(1), 10-12.

Proceedings

National and International Proceedings

İnguinal Hernilerde Total Ekstraperitoneal Onarımda Balon Disseksiyonu ile Teleskopik Disseksyonun   Kıyaslanması, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). 22.. Ulusal Cerrahi Kongresi, 

İNSİZYONEL HERNİLERDE LAPAROSKOPİK VE KONVANSİYONEL ONARIM YÖNTEMLERİ ARASINDAPOSTOPERATİF AĞRI, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). 8.. Ulusal Fıtık Kongresi

Laparaskopık total ekstraperıitoneal (TEP) onarımında redükte edilemeyen keseler enerji

cıihazıyla lıigate edılebırlıir mı , KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2019). 7..

Ulusal Fıtık Kongresi

TEK İNSİZYON LAPARASKOPİK TOTAL EKSTRAPERİTONEAL İNGUİNAL HERNİ ONARIMI DENEYİMİMİZ, GÖK MEHMET ALİ, DEMİR MUSTAFA (2019). 14.. Endoskopik Laparoskopik Cerrahi Kongresi

Laparaskopik Sleeve Gastrektomide 3D Görüntüleme Sisteminin Etkiniliği , GÖK MEHMET ALİ, KAYA FERUDUN, KAFADAR MEHMET TOLGA, AKSOY BAŞAR (2017). 2.. Bariatrik ve Metabolik Cerrahi Kongresi

İnsizyonel hernide laparaskopik preperitoneal onarım, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 9.. Cerrahi Araştırma Kongresi

ERCP Yapılan Kist Hidatikli Hastalarda Kist Küçülür mü, YALÇIN METİN, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 13.. Türk Hepatopankreatobilier Cerrahi Kongresi

İnsizyonel Hernilerde TAPP Onarım Mümkün mü, GÖK MEHMET ALİ, AKSOY BAŞAR, KAFADAR MEHMET TOLGA, YALÇIN METİN (2017).. 6.. Ulusal Fıtık Kongresi, (Özet bildiri)

HİATAL HERNİLERDE LAPAROSKOPİK YAKLAŞIM, GÖK MEHMET ALİ, YALÇIN METİN, KAFADAR MEHMET TOLGA, YILMAZ TACETTİN SEMİH, AKTAŞ AYŞEGÜL (2017).. 13.. Endoskopik Laparoskopik Cerrahi Kongresi

KLİNİĞİMİZDE İNGUİNAL HERNİDE 3 TEKNİĞİN KARŞILAŞTIRLMASI, YALÇIN METİN, GÖK MEHMET ALİ, ÇEKİÇ TOLGA FARUK, KABALAK BİLAL, ÖTER VOLKAN, AKTAŞ AYŞEGÜL (2017). Ulusal Endoskopik Laparoskopik Cerrahi Kongresi

Kolon Divertikül  Perforasyonlarında Hartmann Prosedürü veya Primer Anastomoz? , GÖK MEHMET ALİ, KEŞKÜŞ BRAHIM H. HÜDAVERDI, BÖZKURT AHMET ÇAĞLAR, YALÇIN METİN, YILMAZ TACETTİN SEMİH (2017).. 11.. Ulusal Travma ve Acil Cerrahi Kongresi, (Özet bildiri)

GASTROİNTESTİNAL PREKANSEROZ LEZYONLARDA ENDOSKOPİK MUKOZAL REZEKSİYONUN ROLÜ, ORMAN SÜLEYMAN, GÖK MEHMET ALİ, EREN TURGUT TUNÇ, LEBLEBİCİ METİN, ALİMOĞLU ORHAN (2015). 12.. Ulusal Endoskopik Laparoskopik Cerrahi Kongresi

PİYES MAMAOGRAFİSİNDE KİTLE YOK! NE YAPILMALIM, ESER MEHMET, HATİPOĞLU HAYAT, GÜNDOĞAN ERSİN, GÖK MEHMET ALİ, ÇETİN KENAN, ACAR AYLİN, TAN SEDAT, BİLDİK NECDET (2014).. 19.. Ulusal Cerrahi Kongresi

LAPAROSKOPİK KOLESİSTEKTOMİ YAPILAN HASTALARDA TROKAR YERİ FITIĞI GELİŞİMİNDE ETKİLİ OLABİLECEK FAKTÖRLERİN ARAŞTIRILMASI, GÖK MEHMET ALİ, KÜNDEŞ MUHAMMED FİKRİ, KEMENT METİN, ATICI ALİ EMRE, KAPTANOĞLU LEVENT, İLHAN NOYAN, CAN UĞUR, BİLDİK NEJDET, VURAL SELAHATTİN (2014).. 19.. ULUSAL CERRAHİ KONGRESİ 

Books

Written sections in international books

1)Genel Cerrahide Nadir Görülen Acil ve Elektif Vakalar, Bölüm adı:(Akciğere Fistülize Karaciğer Kist Hidatik Vakasına Acil Laparoskopik Yaklaşım) (2020)., COŞKUN MURAT, GÖK MEHMET ALİ,

Akademisyen Yayınevi, Editör: Ender ANILIR Mehmet BAYRAK Mehmet Tolga KAFADAR Mert TANAL Ali Emre NAYCI Hüseyin KILAVUZ Özlem Öndeş BAYAR, Basım sayısı:1, Sayfa Sayısı 655, ISBN:978- 625-7275-23-1, Türkçe(Bilimsel Kitap)

2)Gastrointestinal Sistem Kanserlerinin Cerrahisi, Bölüm adı:(Karaciğerin Primer Solid MalignNeoplazileri) (2020)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Editör: Hüseyin Özgür AYTAÇ, Basım sayısı:1, Sayfa Sayısı 404, ISBN:978-605-258-949-6, Türkçe (Bilimsel Kitap)

3)Gastrointestinal Sistem Tümörleri-1, Bölüm adı:(ERKEN EVRE HASTALIKTA CERRAHİ TEDAVİ) (2019)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Basım sayısı:1, Sayfa Sayısı 493, ISBN:978-605-258-551-1, Türkçe (Bilimsel Kitap)

Editorship

1) Minimal İnvaziv Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 22.10.2020-15.07.2021

2. YENİ NESİLCERRAHİ, Kitap, Editör, Akademisyen Kitapevi A.Ş., 15.06.2021-15.08.2022

3. Onkolojik Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 05.04.2021-05.12.2021

4.. Fıtık Cerrahisi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 07.04.2020-07.11.2020

Certificates

Hernia A to Z Fundemantals Hands on Workshop, Laparoscopic Hernia Surgery Experience Certificate in Cadaver was awarded by the European Hernia Society.

. DUBAİ/ U.A.E, 28.11.2018 

CADAVER TRAINING EVENT IN COLON AND RECTAL SURGERY, Robotic Colorectal Surgery in Cadaver training certificate was given.  STONY BROOK UNİVERSİTY / NEWYORK/ USA,.04.2016

Memberships in Scientific Organizations:

1.. Turkish Society of Colon and Rectum Surgery, Member, 2020

2.. Turkish Surgical Association, Member, 2014

Experience 

2019 Medipol University Pendik Hospital 

2016 - 2019 Medical Park Hospital 

2015 - 2016 Derince Training and Research Hospital 

2014 - 2015 Yuzuncu Yıl University Faculty of Medicine 

2009 - 2014 Recep Tayyip Erdogan University Training and Research Hospital 

2007 - 2009 Yesilyurt No. 4 Emergency Health Services Station Education 

2014 Recep Tayyip Erdogan University Faculty of Medicine, Pediatric Surgery 

2007 Erciyes University, Faculty of Medicine 

Publications 

1- COMPARISON OF ULTRASONOGRAPHY AND HISTOPATOLOGICAL RESULTS IN CHILDHOOD APPENDICITIS M Kilic HS Yalcin AS Calapoglu Rize Training and Research Hospital RTEU Faculty of Medicine 

2- Treatment of the Patient with Gluteal Ulcer and Infantile Hemangioma with Propranolol HS Yalcin, M Kilic Rize Training and Research Hospital Department of Pediatric Surgery 

3- USE OF HYACYST IN THE TREATMENT OF REPEAT URINARY TRACT INFECTIONS IN CHILDREN M Kılıç [1], S Cakmak [1], I.S. Arda [2] [1] Rize Training and Research Hospital, Department of Pediatric Surgery, [2] RTEU Faculty of Medicine, Department of Pediatric Surgery 

4- PITBULL ATTACK: VIOLENCE OR IMPRUDENCE? Founder, M. Kilic, S. Cakmak, I.S. Arda. Rize University Faculty of Medicine Department of Pediatric Surger

Experience:

2013 :

• Private Mega Medipol Hospital

2005:

• Private Nisa Hospital

2004 - 2013:

• Private Nisa Hospital

1998 - 2002:

• Private Balkan Hospital - Chief Physician/General Surgery

1996 - 1996:

• Sarıkamış Military Hospital

1991 - 1996:

• Istanbul University Istanbul Faculty of Medicine, General Surgery

1990:

• Istanbul University Istanbul Faculty of Medicine

Education:

1996:

• Istanbul University Istanbul Faculty of Medicine, General Surgery

1996:

• Istanbul University Istanbul Faculty of Medicine, General Surgery

1989:

• Istanbul University, Istanbul Faculty of Medicine

1989:

• Istanbul University, Istanbul Faculty of Medicine

Specializations

Head and Neck Surgery

Surgical Treatment of Head and Neck Cancers

Dizziness (Vertigo)

Endoscopic Sinus Surgeries

Hearing Loss and Ear Diseases Surgery

Endoscopic Head and Neck Diseases Surgery

Head and Neck Diseases Microsurgery

Salivary Gland Diseases and Surgery

Dr. Sebastian Schoppmann is an expert in general and visceral surgery. He specializes in upper gastrointestinal procedures. He leads the Gastroesophageal Tumor Unit at the Comprehensive Cancer Center Vienna. He also heads the gastric and esophageal surgery team at the Medical University of Vienna.

Dr. Schoppmann has published over 240 scientific articles. He is the General Secretary of the Austrian Society of Surgical Oncology. He has served as editor or associate editor for several respected medical journals. He is known for his achievements in surgical oncology and cancer research.

Dr. Klaus Kaczirek is a senior physician at the Medical University of Vienna. He specializes in hepatobiliopancreatic, oncological visceral, and endocrine surgery. He holds a PhD in medicine and an advanced qualification in visceral surgery. Dr. Kaczirek has over 20 years of experience working in high-volume surgical centers.

He is an expert in complex surgeries involving the liver, pancreas, biliary tract, gastrointestinal system, and endocrine tumors. Since 2008, he has led the liver, gallbladder, and pancreas working group of the Austrian Society of Surgical Oncology. Dr. Kaczirek is a member of several respected medical societies, including the European Society of Endocrine Surgeons. He also reviews articles for leading international medical journals.

Specializations

Adult and Pediatric ENT Diseases

Plastic Surgery Procedures (Rhinoplasty, Protruding Ear Correction)

Filling-Botox Procedures

Endoscopic/Microscopic Middle Ear Surgery

Sleep Apnea and Snoring Surgery

Tonsil and Adenoid Operations with Plasma-Evaporation Method

Areas of Interests

• Face and Neck Lift (Rhytidectomy)
• Mommy Makeover (Abdominoplasty, Brachioplasty)
• Arm and Leg Lift after Massive Weight Loss
• Lipedema Surgery
• Rhinoplasty
• Diabetic Foot – Reconstructive Procedures for Lower Extremities and Trunk
• Hidradenitis Suppurativa Surgery
• PRP, Dermal Fillers, Botox
• Microsurgery
• Age-Related Skin Laxity and Rejuvenation

Education:

• Istanbul University, Istanbul Faculty of Medicine (Medical Degree), 2003–2009
• Münster University, Germany (Erasmus), 2007–2008
• Bağcılar Training and Research Hospital, Istanbul – Residency in Plastic, Reconstructive and Aesthetic Surgery, 2010–2016
• ASAN Medical Centre, Seoul, South Korea – Microsurgery Fellowship, 2015–2016

Experience:

• Liv Hospital Ulus, Istanbul (2025–Present)
• Istinye University, MedicalPark GOP Hospital, Istanbul (2019–2025)
• Aydın University, MedicalPark Liv Florya Hospital, Istanbul (2018–2019)
• Gümüşhane State Hospital, Turkey (2016–2018)
• ASAN Medical Centre, Seoul, South Korea (2015–2016)
• Bağcılar Training and Research Hospital, Istanbul – Assistant Doctor (2010–2016)

International Peer-Reviewed Journals:

• Basaran K, Datli A, Sagir M, et al. Blunt Trauma Induced Closed Femoral Bone Fracture in a Rat Model. J Reconstr Microsurg 2025.
• Gurbuz MS, Datli A. Visual and Psychological Perceptions in Aesthetic Surgery. Aesthetic Plast Surg. 2024.
• Caghan P, Datli A, et al. Panniculectomy with Bariatric Surgery. Ann Ital Chir. 2023.
• Datli A, Demirel O. Free-style Brachial Artery Flap in Hidradenitis Suppurativa. Int Wound J. 2023.
• Demirel O, Datli A. Double Layer Perichondrial Flap in Tip Graft. Aesthetic Plast Surg. 2022.
• Caghan P, Datli A, et al. Emergency Surgical Outcomes in COVID-19 Pandemic. Ann Ital Chir. 2020.
• Datli A, Karasoy I, et al. Lower Extremity Reconstruction Challenges. J Reconstr Microsurg. 2020.
• Datli A, Suh H, et al. Free-style Deepithelialized Propeller Flaps. Plast Reconstr Surg Glob Open. 2017.
• Basaran K, Datli A, et al. Cyst Formation After Rhinoplasty. J Craniofac Surg. 2015.
• Datli A, Pilanci O, et al. Ectopic Tooth in Maxillary Sinus. J Craniofac Surg. 2014.
• Basaran K, Datli A. Clenched Fist Syndrome. J Plast Reconstr Aesthet Surg. 2014.
• Pilanci O, Datli A, et al. Zygomatic Arch Fracture Reduction. J Craniofac Surg. 2013.

National Peer-Reviewed Journals:

• Datli A, Yildirim MC, Basaran K. Endoscopic Brow Lift – Cortical Tunnel Technique. Selcuk Med J. 2021.
• Datli A, Karasoy I, Zeynal M. Propeller Flap in Surgical Infection Management. Jt Dis Relat Surg. 2021.
• Basaran K, Datli A, et al. Traumatic Lymphangitis in the Arm. Hand Microsurg. 2014.
• Pilanci O, Datli A, et al. Full-Thickness Grafts in Degloving Injuries. Ulus Travma Acil Cerrahi Derg. 2013.

Congress Presentations:

• Impact of High-Velocity Trauma on Vascular Structures – 2024 Antalya, Turkey
• Free-style Propeller Flaps for Complex Wounds – 2023 Konya, Turkey
• Free-style Brachial Artery Flap in Hidradenitis Suppurativa – 2022 Cancun, Mexico
• Deepithelialized Propeller Flaps for Wounds with Dead Space – 2019 Bologna, Italy; 2017 Seoul, Korea
• Lower Extremity Reconstruction in Remote Regions – 2018 Belgrade, Serbia
• Burn Healing & Comorbidities – 2015 Hannover, Germany
• Chemical Burns – Beyond Standard Treatment? – 2015 Hannover, Germany
• Folk Remedy in Pediatric Burns – 2015 Hannover, Germany
• Autologous Fat Lipofilling for Hypertrophic Burn Scars – 2015 Hannover, Germany

Book Chapters:

• Joon Pio Hong, Aslı Datlı (2023). Surgical Flaps in Wound Healing. In: Chronic Wound Management. Springer. https://doi.org/10.1007/978-3-031-26110-7_12

Medical Interests and Activities 

Gastrointestinal diseases 

Oncologic laparoscopic surgery 

Anorectal area diseases 

Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

Colon and rectum cancer 

Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. 

Laparoscopic hernia surgery 

Esophagus and stomach cancer 

Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

İstanbul University Medical Faculty 1988 

University of Colorado Health Science Center – Intern Surgeon 

Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) 

İstanbul Surgery Hospital – American Hospital (2000-2001) 

Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) 

World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

İstanbul University Medical Faculty – General Surgery Master of Science 1996 

University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Liv Hospital

Memberships 

Turkish Society of Surgery 

National Endoscopic Laparoscopic Surgery Association 

Turkish Colon and Rectum Surgery Association 

National Trauma and Emergency Surgery Association 

Hepato-Pancreato-Bilier Surgery Association 

Istanbul Surgical Association 

Flebology Association 

ESTES (European Society of Trauma and Emergency Surgery) 

International Society of Surgery (ISS)

Dr. Adnan Sayar is a leading thoracic surgeon in Turkey. He has over 40 years of medical experience and more than 30 years in thoracic surgery. He is known for his work in minimally invasive thoracoscopic and robotic procedures. These techniques have helped improve patient recovery and outcomes for chest diseases.

Dr. Sayar received international training at top centers, including Kyoto University and the Karolinska Institute. He is a key figure in lung transplantation and serves on Turkey’s Ministry of Health Lung Transplantation Scientific Committee. He also holds the FETCS certification from the European Board of Thoracic and Cardiovascular Surgery.

His expertise includes lung cancer surgery, tracheal and diaphragmatic reconstruction, and pediatric thoracic surgery. As a professor and mentor, he has led both public and private institutions. Dr. Sayar has helped thousands of patients and has played a major role in advancing thoracic care standards in Turkey.

Medical Fields of Interest 

• Thoracoscopic and Robotic Minimally Invasive Surgery 

• Lung Cancers 

• Trachea Surgery 

• Lung Transplantation 

• Lung Biopsy • Pneumothorax (collapsed lung) 

• Diaphragmatic Surgery • Surgery of Pleural Diseases 

• Pediatric Thoracic Surgery

Education 

• Istanbul University, Istanbul Faculty of Medicine 

•Istanbul Galatasaray High School 

• Primary Education Ankara, Samsun, Izmir 

Dr. Koray Acarli is a Professor of General and Hepato-Pancreato-Biliary (HPB) Surgery. He has broad experience in treating both benign and malignant diseases of the liver, bile ducts, and pancreas. His expertise includes tumors, gallbladder cancer, cholangiocarcinoma, Klatskin tumors, and pancreatitis. He also treats biliary and pancreatic stones, as well as obstructive diseases, whether benign or malignant.

He earned his medical degree and completed his surgical training at Istanbul University Faculty of Medicine. He then received advanced training at Mount Sinai Medical Center in New York. Dr. Acarli has led several major centers, including serving as Head of the Liver Transplant Center at Istanbul University and Head of the Organ Transplant Center at Memorial Şişli Hospital. He is currently a Professor of General and HPB Surgery at Liv Hospital Ulus.

Born and raised in Turkey, Dr. Pera attended the highly reputed Hacettepe University Dentistry Faculty from 2008 to 2013, where he began his journey to become a dentist. His passion for the field led him to further specialize in Oral and Maxillofacial Surgery, a field he trained in extensively at Ankara University Faculty of Dentistry from 2016 to 2021.

To ensure a holistic approach to patient care, Dr. Pera undertook several rotations between 2016 and 2019. This included areas like Anesthesiology and Reanimation, Emergency Medicine, Plastic, Reconstructive and Aesthetic Surgery, and Ear, Nose and Throat Diseases, all at Ankara University Faculty of Medicine.

Before establishing Hospitaprime, Dr. Pera served as an Oral and Maxillofacial Surgeon at the esteemed Koru Hospital in Ankara from May 2021 to July 2022. Shortly after, he joined Memorial Hospital in Istanbul in September 2022, where he continues to practice.

In March 2023, Dr. Pera took a significant step in his career by founding Hospitaprime in Istanbul, a state-of-the-art dental clinic offering a myriad of dental services. Through Hospitaprime, Dr. Pera has actualized his vision of providing unparalleled dental care, ensuring each patient benefits from his extensive knowledge, experience, and passion for the field.