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Education:

Eskişehir Osmangazi University Faculty of Medicine (1998-2004)

Ankara Atatürk Training and Research Hospital (2005-2010 General Surgery

Specialist Training)

Institutions He Works for:

Ankara Atatürk Training and Research Hospital

Malatya Darende Hulus Efendi State Hospital

Malatya Private EGM Hayat Hospital

Malatya Private Park Hospital

Antalya Private Life Hospital Group

Antalya Private ASV Life Hospital

Publications and Articles:

Extremely rare presentation of an omphalomesenteric cyst in a 61-year-old

patient

Recep Aktimur, Uğur Yaşar, Elif Çolak, Nuraydın Özlem

Turk J Surg. 2017; 33(1): 43–44.

Effects of preoperative nutritional support on colonic anastomotic healing in

malnourished rats

Rıza Haldun Gündoğdu, Uğur Yaşar, Pamir Eren Ersoy, Emre Ergül, Semra

Işıkoğlu, Atilla Erhan

Ulus Surgical Magazine 2015; 31(3): 113–117. Published online 2015 Sep.

Master Thesis:

The effect of preoperative nutrition on colonic anastomosis healing in

malnourished rats.

Certificates and Courses :

Metabolic Surgical Procedures with Video Demonstrations Course (12-15

October 2017)

Obesity and metabolic diseases surgery winter school (26 February 2018)

Bariatric and Metabolic Surgery Symposium (3-4 December 2018)

Nutritional support in Cancer (ESPEN Long-Life-Learning Programme,

22/11/2009)

Nutritional Support in intensive Care Unit (ICU) Patents (ESPEN Long-

Life-Learning Programme, 01/04/2009)

Nutritional Support in the Perioperative Period (ESPEN Long-Life-

Learning Programme, 01/04/2009)

Approach to Paranteral Nutrition (PN) (ESPEN Long-Life-Learning

Programme, 22/11/2009) Thyroid Surgery Course (Ankara Surgery

Association )

Thyroid Cancer Surgery Course (Turkish Surgical Society 12 September

2009)

Akut Gastrointestinal Bleeding and Treatument Course (Ankara Surgery

Association 10 January 2009)

Abdominal Wall Hernias Course (Ankara Surgery Association 10 January

2009)

Burn Course (Ankara Surgery Association 11 April 2009)

Experimental Surgery Course (5. Surgical Research Congress 10

December 2009)

Total Mesorectal Excision Course (Ankara Surgery Days 14-15 November

2008)

Professional assocations and organizations to which he is a

member:

Turkish Surgery Association

BMCD (Association of Bariatric and Metabolic Surgery)

TOSS (Turkish obesity surgery society)

Special Interests:

Cancer Surgery,

Obesity and Metabolic Surgery

Laparoscopic Surgery

Thyroid Surgery

Awards Received:

2011 KEPAN congress second best paper

2019 Turkey East Awards; The most succesful General Surgeon

of the year.

2020 Altıntaç Awards; Best Obesity Surgeon of the Year Award

Dr. Kubra Demir is a dentist with over 5 years of experience. She specializes in cosmetic and aesthetic dentistry. Dr. Demir has performed more than 500 successful procedures. She is also skilled in periodontal treatments and dental implants.

Dr. Demir is a member of the Turkish Dental Association (TDB) and the Aesthetic Dental Academy (EDAD). She has received several awards and certifications. These achievements show her dedication to high standards and new methods in dental care.

Prof. Dr. Halil Ibrahim Bekler was born in Istanbul in 1960. He completed his primary school education in Istanbul. He finished High School in Saint-Joseph in 1979. In 1985 he graduated from the Istanbul Faculty of Medicine. In the same year, he started to work as a resident doctor at Tokat Akbelen Health Center. Between 1987 and 1991, he specialized in Orthopedics and Traumatology at SiSli Etfal Hospital. Between 1993 and 1994, he worked as an assistant professor at Dicle University Faculty of Medicine in Diyarbakır, Turkey. Later, he worked as the Head of the Orthopedic and Traumatology Surgery Department at American Hospital. In 1999, he studied microsurgery at Cleveland Medical Center.
He worked as a specialist in Orthopedics and Traumatology Microsurgery in many private hospitals in Istanbul. Between 2006-2007, he worked as a Hand and Microsurgery Specialist at Columbia University School of Medicine. In 2008, he became an associate professor of orthopedics at Yeditepe University Faculty of Medicine. Between 2009 and 2015, he worked as Chief of Orthopedics at Lütfi Kırdar Kartal Hospital and he trained many Assistant Specialists. He became Professor in 2016.

He performs orthopedic microsurgery procedures at Avicenna Atasehir Hospital and offers effective treatments for knee and hip prostheses in the field of Orthopedics and Traumatology.

My 34 years of medicine – which is more than half my life… After thousands of surgeries, the excitement and sense of responsibility of the first day still outweigh it. My father was a doctor, a neurologist too. I would always give the same response to those asking what I would be in elementary and secondary school: Neurosurgeon. When I started my neurosurgery residency at Haydarpaşa Numune Hospital in 1992, my childhood goal was fulfilled. Two points have always stood out from the others throughout my medical career: 1. Don’t harm anyone. 2. The most important relationship between the doctor and patient is the relationship of trust. In line with the principle of “first do no harm” in Turkish with “primum non nocere” in Latin, I have always preferred to perform secured surgeries under the microscope from smaller incisions. I didn’t perform any surgery that I wasn’t sure the patient would benefit from. So I’ve always been in a position to convince myself first of the need for surgery. Then I convince my patient. I kept in mind that the most important relationship between surgeon and patient is the relationship of trust. How can a person entrust his life to someone he saw 15 minutes ago without a relationship of trust? I cared about this relationship lasting post-surgery and even for life. I’ve had the first walks of my patients that I’ve operated in 28 years. Sometimes even after midnight many times… I’ve always cared about some patients’ feeling of their need to see their physician even at 03.00 o’clock midnight. I don’t mind giving all my patients my cell phone number. I would want my physician to be available at any time as needed. That’s what I do for my patients. In these lines, I felt the need to describe my view of medicine. Anyone who wonders anyway can reach my resume and my publications.

I graduated from Ankara University, Faculty of Medicine, in 1984. After compulsory service, I traveled abroad (UK, Saudi Arabia, Greece and Russia) for a many years to study and work in the fields of gynecology and infertility. In 1997, I received my specialist training from Kartal Training and Research Hospital. Following my training, I worked at Kartal SSK hospital. In 2001, I went to Tel Aviv University in Israel and received training In Vitro Fertilization and reproductive endocrinology. After returning to Turkey, I opened my own in vitro fertilization center ( IVF Center). Following the closure of the hospital in which my IVF center was located due to economic reasons, I started practicing private medicine. A while after that, I started working as the manager of The Gynecological Oncology and IVF Center in Bodrum Acibadem Hospital. Then, I returned to Istanbul, and continued my work in private hospitals as a specialist in gynecological oncology and IVF.
Throughout my long years of experience I did over 15.000 IVF trails.

Dr. Özlem Çolak is a Professor of Plastic, Reconstructive, and Aesthetic Surgery. She earned her medical degree from Kocaeli University. She completed her specialization at Ankara Training and Research Hospital. Dr. Çolak has held academic roles at the University of Health Sciences and Demiroğlu Bilim University. She became an Associate Professor in 2019 and a full Professor in 2024.

Dr. Çolak has published many national and international articles. She has also been an invited speaker at professional meetings and congresses. She gained additional clinical experience in Germany. Dr. Çolak has made important contributions to both academic and surgical practice in her field.

Education

• Undergraduate: Istanbul Faculty of Medicine, Istanbul University, 2007
• MSc (Internal Medicine Department): Marmara University Faculty of Medicine, 2012
• PhD (Hematology Clinic): Istanbul Training and Research Hospital, 2018
• Associate Professor (Hematology Clinic): Prof.Dr.Cemil Tascioglu Training and Research Hospital, 2019

Prof. Dr. Rafet Eren graduated from Istanbul Faculty of Medicine in 2007. He completed his Internal Medicine specialty training at Marmara University Faculty of Medicine in 2012. In 2018, he became a Hematology subspecialist at Istanbul Training and Research Hospital. In 2019, he was awarded the title of Associate Professor in the field of Hematology. Afterwards, he worked as a faculty member at Başakşehir Çam and Sakura City Hospital, Bozyaka Training and Research Hospital and Istinye University (Istinye University Bahçeşehir and Liv Hospital Vadistanbul) and is currently working at Biruni University Hospital. Dr. Rafet Eren is a member of Turkish Society of Hematology, Hematology Specialty Society and European Society of Hematology and speaks English fluently. He has around 50 publications in national and international refereed journals.

Scientific Memberships

• Turkish Hematology Association
• Hematology Specialty Society
• Turkish Internal Medicine Specialty Society
• European Society of Hematology
•  

Awards 

• Young Researcher Award (42nd National Hematology Congress), 2016
• Special Jury Paper Award (3rd Hematologic Oncology Congress), 2015
• Paper 3rd Prize (2nd Hematologic Oncology and Bone Marrow Transplantation Symposium), 2016

Education

MSc Faculty of Medicine (ING) Hacettepe University 1991-1997
Specialization Department of Pediatrics Dicle Universityniversitesi 1997-2002
Minor Cerrahpaşa Faculty of Medicine Pediatric Hematology & Oncology Department Istanbul University 2006-2009
Bone Marrow Transplant Unit MP Göztepe Hospital 2012-2013

Experience

Assistant Professor
Afyon Kocatepe University/Faculty of Medicine/Internal Medical Sciences
2003-2009 Department/ÇDepartment of Pediatrics)

Assistant Professor
Istanbul University/Cerrahpaşa Faculty of Medicineltesi/Internal Medical Sciences
2006-2009 Department of Pediatrics)

Pediatric Hematology Specialist Diyarbakır Children's Hospital, Pediatric Hematology compulsory service 2009-2012
Transfer Ünitesi Assistant Hematology Specialist Private Medical Park Göztepe Hospital Bone Marrow Transplant Unit Assistant Responsible Pediatric Hematology Specialist
2012-2013

Assistant Professor
Akdeniz University / Faculty of Medicine / Department of Internal Medical Scienceslümü/Department of Pediatrics)
2013-2014

Assistant Professor Marmara University/Faculty of Medicine/Department of Internal Medical Sciences/Department of Pediatrics) 2014-2024

Scientific Memberships

Turkish Society of Hematology
Turkish Pediatric Hematology Association
Marmara Pediatric Association
Turkish Pediatric Society
Istanbul Medical Chamber
EBMT (European Bone Marrow Transplantation)

Education

Doctor of Medicine: Istanbul University Cerrahpaşa Faculty of Medicine (1987-1993)
Neurology Specialist: Osmangazi University Faculty of Medicine (1997-2001)
Stroke Fellow: University of Calgary, Canada (2008-2009)
Assistant Professor: Trakya University Faculty of Medicine (2001-2006)
Associate Professor: Trakya University Faculty of Medicine (2006-2010), Bezmialem Faculty of Medicine (2010-2012)
Professor: Bezmialem Faculty of Medicine (2012-2017), Memorial Hizmet Hospital (2017-2019, 2021-2023)
Interventional Neurologist: King Hamad University Hospital, Bahrain (2019-2021)
Consultant Neurologist: Salmaniya Medical Complex, Bahrain (2023-2024)

Between 2008-2009, I worked as a stroke fellow at the University of Calgary Stroke Program for 1 year.
During my tenure at Bezmialem Vakıf University, I received interventional neurology training from Prof. Dr. Ömer Göktekin.
2019-2021 I worked as an interventional neurologist at Arabian Gulf University and King Hamad University Hospital in Bahrain.
I worked as a consultant neurologist at Salmaniya Medical Complex in Bahrain between 2023-2024.

Medical Intrests 

• Stroke
• Interventional Norology
• Headache
• Demyelinating Diseases
• Dementia
• Movement Disorders
• Epilepsy

The doctor specializes in pediatric gastroenterology, hepatology, and nutrition, with a focus on feeding disorders, dysphagia, celiac disease, inflammatory bowel disease, gastroesophageal reflux, hepatitis, liver disorders, and microbiota. Skilled in diagnostic and therapeutic endoscopic procedures, the doctor completed medical education at Hacettepe University and advanced training in pediatric gastroenterology at the same institution.

She established and led the Pediatric Gastroenterology and Hepatology Department at Eskisehir Osmangazi University from 2006 to 2019. Currently, she is a professor at Istinye University and Liv Hospital.

The doctor specializes in pediatric surgery and urology, with significant contributions to these fields reflected in a reputable h-index of 16. The doctor's academic work includes 43 international and 34 national publications, showcasing a strong research background.

The doctor completed medical education at Istanbul University Cerrahpaşa Medical Faculty in 1989, followed by a residency in pediatric surgery and urology at Ondokuz Mayıs University Faculty of Medicine in 1997. Subsequently, the doctor became an associate professor at Kocaeli University in 2004 and a professor at Yeditepe University in 2010.

The doctor is a seasoned expert in Pediatric Hematology-Oncology with 28 years of experience. Specializing in a wide range of conditions, including various anemias, bleeding disorders, leukemias, and childhood tumors, the doctor has a profound clinical focus on both benign and malignant pediatric conditions.

After graduating from Istanbul University Medical Faculty in 1986 and completing residency at Anadolu University in 1991, the doctor pursued a fellowship at Cerrahpasa Faculty, becoming an associate professor in 2003 and a professor in 2009. The doctor has contributed significantly to the field with 133 publications in Pub Med and has been actively involved in several professional associations, including serving as president of the Turkish pediatric hematology group.

Prof. Dr. Emre Sivrikoz is a FEBS-certified colorectal surgeon with international training. He completed fellowships at the University of Southern California and St Mark’s Hospital in London through an ESCP scholarship. He holds the Fellow of the European Board of Surgery in Coloproctology, a distinction earned by few surgeons in Europe.

Dr. Sivrikoz specializes in minimally invasive colorectal surgery. He is experienced in advanced laparoscopic and robotic procedures, such as proctocolectomy with J-pouch and extralevator abdominoperineal resection. These techniques help improve safety and recovery times for cancer surgery. He has published over 30 articles in international journals and has presented at more than 20 global surgical congresses.

Besides his work in colorectal surgery, Dr. Sivrikoz is skilled in hernia repair, gallbladder surgery, thyroid surgery, and advanced proctology laser procedures. He has a strong academic background from Istanbul Erkek Lisesi in Germany and brings extensive international experience to his practice.

The doctor specializes in gastroenterology and hepatology, with a clinical focus on endoscopic procedures such as endoscopic mucosal resection and endoscopic submucosal dissection. The doctor is also experienced in endosonography and managing conditions like inflammatory bowel diseases, viral hepatitis, and esophageal motility disorders.

Trained at prestigious institutions including Johns Hopkins University and Korea University, the doctor has contributed significantly to the field with 16 international articles, 9 national articles, and several book sections. The doctor is an active member of multiple professional associations, underscoring a commitment to advancing medical knowledge.

Dr. Mustafa Tukenmez is a leading breast surgeon with global recognition in breast oncology. He has published over 40 original research articles in top journals. More than 30 of these are high-impact international publications. His research focuses on triple-negative breast cancer, immune markers, and surgical outcomes. Dr. Tukenmez is a pioneer in minimally invasive breast surgery. He was among the first to use single-port videoendoscopic nipple-sparing mastectomy. This technique provides better cosmetic results and faster recovery for patients.

Dr. Tukenmez played a key role in the NeoSenti-TURK multicentric study. His work helped shape international standards for sentinel lymph node biopsy and neoadjuvant chemotherapy. He has also developed cost-effective surgical training models, making medical education more accessible. His research on PD-L1 expression and immune checkpoint receptors has influenced personalized breast cancer therapy worldwide.

The doctor specializes in gynecology and obstetrics, with a focus on pregnancy follow-up, active birth, and various surgical interventions including colposcopic, hysteroscopic, and laparoscopic operations. Expertise extends to urogynecological and gynecological aesthetic procedures.

Educational background includes Istanbul University Istanbul Faculty of Medicine, with professional experience at Liv Hospital Ulus, Avrasya Hospital, and Taksim Training and Research Hospital, as well as private practice.

Memberships include TSRM, TJOD, and the Turkish Perinatology Society. The doctor holds certifications in active birth, emergency obstetric care, and advanced surgical techniques.

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis