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Associate Professor Dr. Yusuf AÇIKGÖZ
Specialization: Medical Oncology

Education:

• 2004-2011: İnönü University Faculty of Medicine
• 2011-2016: Ankara Numune Training and Research Hospital, Internal Medicine
• 2017-2022: Health Sciences University, Medical Oncology

Professional Experience:

• 2016-2017: Bingöl City Hospital, Internal Medicine
• 2021-2022: Health Sciences University, Medical Oncology
• 2022-2023: Kastamonu Education and Research Hospital, Medical Oncology
• 2023-2024: Ohio State University, Medical Oncology
• 2024-Present: Lokman Hekim University, Medical Oncology, Ankara Hospital

Clinical Trials, Courses, Certifications:

Clinical Trials:

• 2017-2021: Phase III, CheckMate-649 Study (Assistant Investigator)
• 2022-Present: Phase III, Fortitude-101 Study (Assistant Investigator)

Courses:

• 2018: Medicres Basic and Advanced Biostatistics Training Program (ongoing), Istanbul-Vienna
• 2019: Immuno-Oncology Education Course, March 1-2, 2019, Vienna, Central European Cooperative Oncology Group (CECOG)
• 2018: Good Clinical Practice Certification, April 7-8, 2018, Ankara, Health Sciences University
• 2017: Basic Oncology Training Program, November 25-26, 2017, Adana, Clinical Oncology Society
• 2016: Basic Ultrasonography Course (10 hours theoretical + 10 hours practical), September 24-25, 2016, Ankara, Turkish Emergency Medicine Association

Certifications:

• Ongoing: ECFMG Certification
• 2024: CITI Responsible Conduct of Research (The Ohio State University)
• 2024: CITI IACUC-Laboratory Animal Research (The Ohio State University)
• 2024: CITI Human Subjects Protection (The Ohio State University)
• 2024: CITI Good Clinical Practice (The Ohio State University)
• 2023: Occupational English Test (OET)
• 2019: International English Language Testing System (IELTS), Total Score: 6.5, May 26, 2019, Ankara, British Council
• 2017: USMLE Step 2 CK Exam; Score: 244, February 7, 2017
• 2016: USMLE Step 1 Exam; Score: 215, August 25, 2016

Memberships:

• American Society of Clinical Oncology (ASCO) - 2022
• Turkish Society of Medical Oncology - 2020

Prof. Dr. Alaettin Çelik graduated from Adapazarı İlyaslar Primary School in 1960, from Haydarpaşa High School in 1966, and from Istanbul University Faculty of Medicine in 1972. In the same year, he became an assistant in the 2nd Surgery Department of the Faculty of Medicine. Between November 1975 and February 1976, he completed his military service for 4 months at the Gelibolu Military Hospital as a Reserve Officer. In 1977, he became a General Surgery Specialist in the Department of Surgery.

To establish the pediatric surgery department at the faculty and to specialize further, he worked as a registrar at the University of London's "The Hospital for Sick Children" from 01.12.1978 to 01.12.1980. After returning to the faculty, he continued his pediatric surgery studies and became an associate professor in 1982.

In the same year, he was appointed as the founding chairman of the Pediatric Surgery Department at Istanbul Faculty of Medicine on 06.09.1982. He established the department, which included a 30-bed inpatient unit, an ICU, a polyclinic, and an operating room for students, assistants, and specialists. In 1988, he became a professor. In addition to leading the Pediatric Surgery Department, he served as the Vice President of the Department of Surgical Medical Sciences between 1990 and 1995. From 1995 to 1998, he was the Head of the Department of Surgical Medical Sciences at Istanbul Faculty of Medicine.

He is a specialist in General Surgery, Pediatric Surgery, and Pediatric Urology. He has numerous cited and published clinical and experimental research articles, case reports, expert theses, and free papers presented at domestic and international congresses. He is the author of several books, including Pediatric Surgery Book of Pediatric Surgery (2014), Newborn Surgery (2008), and Pediatric Surgery Book (2013).

He is a member of various professional medical associations, including the Turkish Ministry of Health Pediatric Surgery Society. He established, developed, and trained a large number of students, assistants, specialists, and faculty members at the Istanbul Faculty of Medicine, Department of Pediatric Surgery. He left the Department of Pediatric Surgery in 2013 and retired due to age limits on 16.03.2016. His contracted working period at the same faculty ended on 22.10.2016. He continues to work as a Pediatric Surgery Specialist at Istanbul Florence Nightingale Hospital and participates in weekly meetings of the Council of Children's Tumors.

Dr. Christoph Neumayer is a Professor of Vascular Surgery at the Medical University of Vienna. He specializes in complex aortic aneurysms, chest aortic diseases, prosthetic infections, carotid artery surgery, peripheral vascular surgery, and endothoracic sympathectomy. He brings over ten years of experience, focusing on advanced surgical procedures and new treatment methods.

Dr. Neumayer has published widely in top scientific journals. He also serves as a reviewer for national and international conferences. He has received the Finland Award, the European Surgery Award, and the Science Award of the Medical Society of Lower Austria. As a visiting professor at Jagiellonian University, he has helped shape vascular surgery education in Austria and authored the national training catalog.

Dr. Florian Fitzal is a senior physician at Vienna General Hospital and Vienna Medical University. He specializes in breast and abdominal surgery. He is a certified surgeon and holds a Master of Public Health (MBA). Dr. Fitzal leads the Breast Health Center. He also serves as Scientific Director of the Surgical Center of the Breast.

He is an auditor for the European Council of Surgeons. He is also a board member of the Austrian Breast Cancer and Colorectal Cancer Research Group. Dr. Fitzal has published over 143 scientific papers and has an h-index of 24. He has written four books on breast cancer surgery. He is known for his work in breast-conserving, oncoplastic, and reconstructive surgery.

Dr. Martin Schindl is a senior consultant at the University Hospital of Surgery, Vienna General Hospital. He specializes in surgery of the pancreas, liver, gallbladder, and bile ducts. He also focuses on surgical cancer therapy. Dr. Schindl leads the surgical outpatient clinic for pancreatic and biliary diseases. He coordinates the interdisciplinary pancreatic cancer group at the Comprehensive Cancer Center Vienna.

He founded the ABCSG Pancreas Working Group. Dr. Schindl reviews articles for international surgical journals. He is a member of several national and international surgical societies. He also serves on the ethics committee of the Medical University of Vienna. Dr. Schindl has made important contributions to cancer therapy research and patient support programs.

Dr. Philipp Riss leads the Surgical Endocrinology Working Group at the Medical University of Vienna. He specializes in general and visceral surgery. Dr. Riss is known for his expertise in thyroid and neuroendocrine tumor surgery. He has made important contributions to the field of endocrine surgery.

Dr. Riss received the Venia Docendi Award in 2017 and the Sandoz Award for Thyroid Research in 2010. He has organized international congresses and published many scientific papers. He is a member of respected organizations, such as the European Society of Endocrine Surgeons and the International Society of Surgery.

Dr. Gerhard Prager is a leading bariatric surgeon. He has performed over 3,000 bariatric operations using advanced techniques such as gastric bypass, sleeve gastrectomy, and biliopancreatic diversion. He serves as Chairman of the Scientific Advisory Board for Bariatric Surgery at IFSO. Dr. Prager has played a key role in shaping international standards in obesity surgery.

Dr. Prager’s practice uses a multidisciplinary approach. He works closely with endocrinologists, psychologists, nutritionists, and other specialists to provide complete patient care. He is active in research, education, and advanced surgical training. Dr. Prager has trained surgeons from more than 50 countries.

He is accredited by the International Federation for the Surgery of Obesity and Metabolic Disorders and the American Society for Metabolic and Bariatric Surgery.

Dr. Klaus Kaczirek is a senior physician at the University Clinic for Surgery, Medical University of Vienna. He specializes in general and visceral surgery. He is known for his skill in hepatobiliopancreatic, oncological visceral, and endocrine surgery. His main focus is on complex operations involving the liver, pancreas, gastrointestinal tract, and endocrine organs.

Dr. Kaczirek holds board certifications in both general and visceral surgery. Since 2008, he has led the liver, gallbladder, and pancreas working group at the Austrian Society for Surgical Oncology. He is a member of the Austrian Society for Surgery, the European Society of Endocrine Surgeons, and other international surgical organizations. Dr. Kaczirek also reviews articles for leading medical journals and has helped advance surgical oncology and endocrine surgery.

Specialization

• spinal deformities in adults and children;
• robotic spine surgery;
• intervertebral hernias;
• spinal tumors;
• spinal column injuries.

Education and advanced training courses

• 1999 - 2002 – received medical education at the Hebrew University.
• 2002 - 2005 – completed Master's degree.
• 2005 – completed courses in cardiology and trauma resuscitation.
• 2006 - 2012 – completed internship and residency in orthopedics at Hadassah University Hospital.
• 2010 – completed a basic course in orthopedic traumatology.
• 2014 – completed a course in pediatric vertebrology at the Orthopedic Association.
• 2014 – completed a course for department heads at the Association of Orthopedists.

Professional biography

After completing his internship, he worked as a physician in a refugee camp (Kampala, Uganda) under the auspices of the Global Youth Movement for Africa (2007). He returned to Hadassah, where he worked in the orthopedic department during his residency.

From 2013 to 2014, he was an attending spine surgeon at the Bronx Hospital (New York). After returning to Israel, he currently works as a spine surgeon in the orthopedic department.

He actively uses robotic equipment and, together with the clinic’s team of doctors, has performed many complex operations to restore the structure of the spinal column.

Scientific activity

Participated in various clinical studies in California, Switzerland, and the USA. Teaches at the University of Jerusalem and Cornell Weill University, is a member of the Association of Orthopedists and the Congress of Vertebrologists (Milan). Has repeatedly received grants for research in the field of vertebrology. In 2017, he received an associate professor degree. Has a number of articles published in scientific journals.

Education and Experience

Dr. Ramazan Gökhan Atış, born in Istanbul in 1978, graduated from Cağaloğlu Anatolian High School in 1996. He completed his medical education at Çapa Faculty of Medicine in 2002. Between 2002 and 2008, he received his specialization training at the Istanbul Şişli Etfal Training and Research Hospital Department of Urology, and obtained the title of Urology Specialist in February 2008. After working at Edremit Military Hospital between 2008 and 2009, he started working as a Urology specialist at Istanbul Göztepe Training and Research Hospital in 2009. In 2011, he underwent a 3-month Laparoscopy-Robotic Urology training at Heidelberg University Heillbronn Clinic. Between 2009 and 2014, he conducted numerous scientific research studies, especially in the field of endourology, and obtained the title of Associate Professor in September 2014. In 2017, he was elected as a board member of the Endourology Society and has been serving in this position since then. Since 2018, he has been actively involved in the Endourology working group of the European Association of Urology, Young Academic Urologists (EAU-YAU) Committee for a period of 2 years. In January 2021, he was appointed as a Professor at the Istanbul Medeniyet University Department of Urology.After that started working at Şişli Memorial Hospital in 2022. Prof. Dr. Ramazan Gökhan Atış, has more than 100 articles published in national and international journals.

• 1996 - 2002, Istanbul University Istanbul Faculty of Medicine, Undergraduate
• 2002 - 2008, Şişli Etfal Training and Research Hospital/Istanbul, Specialization in Medicine
• 2014, Istanbul Medeniyet University Goztepe Training and Research Hospital, Associate Professorship
• 2021, Istanbul Medeniyet University Department of Urology, Professorship

Administrative Duties

• Editor of Endourology Bulletin
• Board Member of Endourology Society (Secretary General)

Memberships in Scientific Organizations

• Turkish Urology Association
• Turkish Endourology Association
• Turkish Andrology Association
• Eurasian Urooncology Association
• Turkish Medical Association

Professional Experience

• 1999-2000: Şırnak Military Hospital, Military Service
• 2001-2007: Süreyyapaşa Chest, Heart, and Vascular Diseases Hospital, Cardiovascular Surgery Clinic
  • Contributed to the establishment of the Cardiovascular Surgery Clinic
  • 2005: Awarded the title of Associate Professor in Cardiovascular Surgery
• 2007-2009: Kartal Koşuyolu High Specialization Training and Research Hospital
• 2009-2011: Kartal Koşuyolu High Specialization Training and Research Hospital, Cardiovascular Surgery Clinic, Assistant Chief
• 2011-2017: Kartal Koşuyolu High Specialization Training and Research Hospital, Cardiovascular Surgery Clinic, Instructor
• 2016-2017: Kartal Koşuyolu High Specialization Training and Research Hospital, Cardiovascular Surgery Clinic, Education Officer
• 2017-2024: Bezmialem Vakıf University, Faculty of Medicine, Professor
  • Head of Cardiovascular Surgery Department, Bezmialem Vakıf University, Faculty of Medicine
• Since July 2024: Medipol Acıbadem District l Hospital, Cardiovascular Surgeon

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

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

Education

Ondokuz Mayıs University Faculty of Medicine (1991)

KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)

Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)

Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)

PERSONAL INFORMATION

Date of Birth: 18.08.1968

Place of Birth: Konya – Cihanbeyli

Higher Education: Istanbul University Cerrahpasa Faculty of Medicine (1991)

Specialization: Istanbul University Cerrahpasa Faculty of Medicine, Department of General Surgery

Specialization Graduation Thesis: Comparison of L-thyroxine Bromocriptine in Relation to

TSH Suppression After Total Thyroidectomy (19.02.1997)

Military Service: Sivas Military Hospital (1999-2000)

Foreign Language: English

WORK EXPERIENCE

- May 15, 1997-1999 – Metropolitan Florence Nightingale Hospital, General Surgeon

- July 1999 – September 2000 – Sivas Military Hospital

- Since October 2000 – Metropolitan Florence Nightingale Hospital, General Surgeon

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

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.

Through rigorous training and practical experience, they have developed a deep understanding of Urology, earning recognition for their diagnostic skills and effective treatment approaches. Dr. Ahmet Tevfik Albayrak is a distinguished member of the European Society for Sexual Medicine (ESSM), a testament to their expertise and dedication in the field of sexual health. As a member of the ESSM, Dr. Ahmet Tevfik Albayrak remains connected to a network of professionals dedicated to advancing the field of sexual medicine. Their contributions to research, education, and clinical practice have earned them recognition from their peers and gratitude from the patients they serve. Furthermore, through their involvement with the ESSM, Dr. Ahmet Tevfik Albayrak stays abreast of the latest developments in sexual medicine, ensuring that they are equipped with the knowledge and skills needed to provide the highest quality of care to their patients. Their commitment to excellence and their compassionate approach to patient care continue to make a meaningful impact on the field of sexual health.