Dr. Hacioglu is an active member of the Diabetes, Obesity, and Nutrition Association, contributing to both clinical practice and research.
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Dr. Tarkan specializes in complex stomach surgeries, bringing precision to every procedure at Klinik Mavi.
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Dr. Ammar specializes in laparoscopic hernia repairs with 12 years of focused experience at Cairo University.
Performed 1,100+ procedures – Dr. Abu Shamsiya specializes in laparoscopic hernia repairs at Dievo Surgery Center.
Prof. Dr. Ramazan Gökhan Atis specializes in urology with extensive training in laparoscopy and robotic urology at Heidelberg University.
Dr. Emir Nekay specializes in inguinal hernia repair with extensive training at Istanbul University Faculty of Medicine.
Over 36 years of pediatric surgery experience – Dr. Umit Yigit specializes in hernia repair and other gastrointestinal surgeries for children.
Dr. Przemyslaw Ciesielski is a general surgeon. He completed his specialization in 2008. He graduated from the Medical University of Warsaw in 1999. He earned his Doctor of Medical Sciences degree in 2010. His dissertation assessed clinical and rectoscopic examinations for diagnosing colorectal disease in patients at increased risk of colorectal cancer.
His proctology and colorectal training includes formal courses and fellowships. He completed Proctology Courses at St. Rota Hospital in Vercelli in 2021 and 2022, and in Cologne in 2016. He held clinical fellowships in General Surgery at the Medical University of Vienna in 2014 and at the University of Magdeburg in 2015. He undertook multiple fellowships at the Proctology Department, Solec Hospital in Warsaw from 2005 to 2013. He attended advanced colorectal surgery workshops in Poznan and Lodz. He also completed St Mark’s Hospital courses in London, including Frontiers in Colorectal Diseases and the Advanced Colorectal Workshop.
Professor Ozan Beytemur specializes in orthopedics and traumatology at Medipol Bahçelievler Hospital, with a focus on surgical treatments.
Dr. Paweł Grochowicz, MD, PhD, is a proctologist with almost 40 years of experience. He works at the Warsaw Proctology Center at St. Elizabeth Hospital. He treats hemorrhoids, anal fistulas and abscesses, anal fissures, fecal incontinence, and pilonidal cysts. He also performs colonoscopy and colorectal polypectomy.
From 1979 to 2016 he worked at the Proctology Unit, Solec Hospital, a reference center and the only one of its kind in Poland. Since 2016 he has worked at the Warsaw Proctology Center at St. Elizabeth Hospital. There he develops and implements new methods and runs diagnostic, rehabilitation, research, and teaching work. The center is the headquarters of the Polish Coloproctology Club.
Academic and research roles: Institute of Experimental and Clinical Medicine, Polish Academy of Sciences (1979–1997). DAAD scholar at LMU Munich (1983–1984). John Hunter Hospital, University of Newcastle, Australia (1989–1996). There he was Director of the Transplant Research Unit and Principal Scientific Officer (1991–1996).