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
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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)
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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)
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
Read more
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
Dr. Ufuk Önsal was born in Gelibolu in 1984. After graduating from high school at Ankara Atatürk Anatolian High School, he completed his undergraduate degree at the Faculty of Medicine at Afyon Kocatepe University. Ufuk Önsal, who subsequently specialized in General Surgery at Düzce University, has many professional experiences.
These:
Duzce University Faculty of Medicine Hospital 2014-2020
Izmir Bakırçay University Çiğli Training and Research Hospital 2020-2021
Private Health Hospital 2021-2022
Private Aegean City Hospital 2022-2023
And now he continues to serve his patients at Izmir Private Can Hospital.
VOCATIONAL COURSES/TRAININGS
Gastric Bypass and Beyond Basic Training Course, Turkish Society for Metabolic&Bariatric Surgery
Percutaneous Endoscopic Gastrostomy (PEG) Training, Turkish Surgical Association
“Laser Technique” in the Treatment of Hemorrhoidal Diseases, Medikal Park Hospital
Laparoscopic Abdominal Wall Repairs, Dokuz Eylül University
Abdominal Surgery Clinical Anatomy, Ankara University
Breast and Thyroid Ultrasonography, Turkish Surgical Association
MENA EUS & ERCP Workshop, Bezmialem University
Workplace Medicine, T.R. Ministry of Social Security
PROFESSIONAL CONGRESSES
International Turkish Colorectal Surgery Congress, Antalya, 2021
National Surgery Congress, Antalya, 2018
Bariatric and Metabolic Surgery Congress, Antalya, 2017
National Surgery Congress, Antalya, 2016
Read moreDr. Ufuk Önsal was born in Gelibolu in 1984. After graduating from high school at Ankara Atatürk Anatolian High School, he completed his undergraduate degree at the Faculty of Medicine at Afyon Kocatepe University. Ufuk Önsal, who subsequently specialized in General Surgery at Düzce University, has many professional experiences.
These:
Duzce University Faculty of Medicine Hospital 2014-2020
Izmir Bakırçay University Çiğli Training and Research Hospital 2020-2021
Private Health Hospital 2021-2022
Private Aegean City Hospital 2022-2023
And now he continues to serve his patients at Izmir Private Can Hospital.
VOCATIONAL COURSES/TRAININGS
Gastric Bypass and Beyond Basic Training Course, Turkish Society for Metabolic&Bariatric Surgery
Percutaneous Endoscopic Gastrostomy (PEG) Training, Turkish Surgical Association
“Laser Technique” in the Treatment of Hemorrhoidal Diseases, Medikal Park Hospital
Laparoscopic Abdominal Wall Repairs, Dokuz Eylül University
Abdominal Surgery Clinical Anatomy, Ankara University
Breast and Thyroid Ultrasonography, Turkish Surgical Association
MENA EUS & ERCP Workshop, Bezmialem University
Workplace Medicine, T.R. Ministry of Social Security
PROFESSIONAL CONGRESSES
International Turkish Colorectal Surgery Congress, Antalya, 2021
National Surgery Congress, Antalya, 2018
Bariatric and Metabolic Surgery Congress, Antalya, 2017
National Surgery Congress, Antalya, 2016
ACADEMIC CAREER SUMMARY
Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001
Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001
Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012
Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018
Foreign Language: English, 67.5, 2007
H-index (WoS/Google): 8/10
Impact Factor: 8.1577
Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.
Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023
International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)
ADMINISTRATIVE POSITIONS
ACADEMIC CAREER SUMMARY
Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001
Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001
Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012
Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018
Foreign Language: English, 67.5, 2007
H-index (WoS/Google): 8/10
Impact Factor: 8.1577
Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.
Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023
International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)
ADMINISTRATIVE POSITIONS
Gallbladder and bile duct surgery
Breast disease treatment and surgery
Anal region disease treatment and surgery (hemorrhoids, anal fissure, perianal abscess and fistula surgery)
Obesity treatment (Gastric balloon, botox and surgical treatment)
Thyroid diseases and surgical treatment
Hernia surgery (open and laparoscopic) (groin, umbilical, wound hernias)
Colon, rectum, stomach diseases and surgical treatment
Endoscopic diagnosis and treatment interventions (gastroscopy, colonoscopy, ercp, peg)
2009- Atlas University Medicine Hospital
2004-2009 Tosya State Hospital
1994-2004 Taksim Education and Research Hospital
1999-2004 Taksim Education and Research Hospital General Surgery Clinic
1992-1998 Istanbul University Istanbul Faculty of Medicine
Courses and Conferences
Bakırkoy Dr. Sadi Konuk Education and Research Hospital General Surgery Clinic Endoscopy Unit Videoendoscopy Application Certificate (March 2006)
Read moreGallbladder and bile duct surgery
Breast disease treatment and surgery
Anal region disease treatment and surgery (hemorrhoids, anal fissure, perianal abscess and fistula surgery)
Obesity treatment (Gastric balloon, botox and surgical treatment)
Thyroid diseases and surgical treatment
Hernia surgery (open and laparoscopic) (groin, umbilical, wound hernias)
Colon, rectum, stomach diseases and surgical treatment
Endoscopic diagnosis and treatment interventions (gastroscopy, colonoscopy, ercp, peg)
2009- Atlas University Medicine Hospital
2004-2009 Tosya State Hospital
1994-2004 Taksim Education and Research Hospital
1999-2004 Taksim Education and Research Hospital General Surgery Clinic
1992-1998 Istanbul University Istanbul Faculty of Medicine
Courses and Conferences
Bakırkoy Dr. Sadi Konuk Education and Research Hospital General Surgery Clinic Endoscopy Unit Videoendoscopy Application Certificate (March 2006)
Prof. Filippini began his career in 1980 and has been teaching at the University of Chieti since the 1990s in the fields of General Surgery, Microsurgery, Reconstructive Surgery, Vascular Surgery, Orthopedics, and Gynecology. His primary focus is oncological surgery, particularly specializing in "The surgical treatment of locally advanced tumors and multi-organ resections." He has enriched his expertise by visiting prominent reference centers in the United States, including the Memorial Sloan Kettering Cancer Center in Manhattan, New York City. There, he delved into minimally invasive, laparoscopic, and microsurgical techniques under the guidance of esteemed mentors such as John Daly, Michele Gagner, and Murray Brennan. Additionally, in 2005, he further expanded his skills at the City of Hope Oncology Center in Los Angeles, focusing on robotic surgery in oncology.
In 1980, Prof. Filippini graduated in Medicine and Surgery from the G. D'Annunzio University of Chieti in Italy with honors, presenting an experimental thesis on lympho-venous anastomosis using microsurgical techniques. He completed his specialization in general surgery at the University of Pisa with distinction after five years. In 1990, he obtained another specialization in Plastic and Reconstructive Surgery from the University of Padua in Italy, where he maintained a stellar academic record.
Prof. Filippini has presented at numerous national and international conferences and authored over 100 scientific publications. Additionally, he has co-authored two monographs.
Read moreProf. Filippini began his career in 1980 and has been teaching at the University of Chieti since the 1990s in the fields of General Surgery, Microsurgery, Reconstructive Surgery, Vascular Surgery, Orthopedics, and Gynecology. His primary focus is oncological surgery, particularly specializing in "The surgical treatment of locally advanced tumors and multi-organ resections." He has enriched his expertise by visiting prominent reference centers in the United States, including the Memorial Sloan Kettering Cancer Center in Manhattan, New York City. There, he delved into minimally invasive, laparoscopic, and microsurgical techniques under the guidance of esteemed mentors such as John Daly, Michele Gagner, and Murray Brennan. Additionally, in 2005, he further expanded his skills at the City of Hope Oncology Center in Los Angeles, focusing on robotic surgery in oncology.
In 1980, Prof. Filippini graduated in Medicine and Surgery from the G. D'Annunzio University of Chieti in Italy with honors, presenting an experimental thesis on lympho-venous anastomosis using microsurgical techniques. He completed his specialization in general surgery at the University of Pisa with distinction after five years. In 1990, he obtained another specialization in Plastic and Reconstructive Surgery from the University of Padua in Italy, where he maintained a stellar academic record.
Prof. Filippini has presented at numerous national and international conferences and authored over 100 scientific publications. Additionally, he has co-authored two monographs.
Dr. Ayman is a Medical Doctor and Surgeon specializing in General and Bariatric Surgery, with extensive training and experience in minimally invasive surgery and obesity management.
Doctor earned his Master's Degree in Medicine and Surgery from the University of Brescia in 2005. He then completed his specialization in General Surgery at the same university in 2016, with a thesis titled "Fast track in minimally invasive colon surgery. He has complete autonomy in the clinical management of complex patients and extensive experience in performing a variety of surgical procedures, including major surgeries. His expertise includes gastric and colorectal surgery, bariatric surgery, abdominal wall surgery, videolaparoscopic (VLC) and laparotomic (VLA) procedures, and proctology. He is particularly skilled in performing medium and major surgeries in emergency settings.
Currently, he practices at Maria Cecilia Hospital in Bologna, where he evaluates the degree of obesity and associated conditions. Based on these assessments, he determines the most suitable surgical intervention, such as sleeve gastrectomy, gastric bypass, and mini laparoscopic bypass.
He has advanced training in colorectal and abdominal wall surgery from top institutions in Italy and Belgium.
He is an active member of the Italian Society of Obesity Surgery and Metabolic Disorders (S.I.C.OB.) and the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), contributing to the advancement of bariatric surgery on an international level.
Dr. Ayman is distinguished by his dedication to patient care and his advanced skills in minimally invasive and bariatric surgery.
Read moreDr. Ayman is a Medical Doctor and Surgeon specializing in General and Bariatric Surgery, with extensive training and experience in minimally invasive surgery and obesity management.
Doctor earned his Master's Degree in Medicine and Surgery from the University of Brescia in 2005. He then completed his specialization in General Surgery at the same university in 2016, with a thesis titled "Fast track in minimally invasive colon surgery. He has complete autonomy in the clinical management of complex patients and extensive experience in performing a variety of surgical procedures, including major surgeries. His expertise includes gastric and colorectal surgery, bariatric surgery, abdominal wall surgery, videolaparoscopic (VLC) and laparotomic (VLA) procedures, and proctology. He is particularly skilled in performing medium and major surgeries in emergency settings.
Currently, he practices at Maria Cecilia Hospital in Bologna, where he evaluates the degree of obesity and associated conditions. Based on these assessments, he determines the most suitable surgical intervention, such as sleeve gastrectomy, gastric bypass, and mini laparoscopic bypass.
He has advanced training in colorectal and abdominal wall surgery from top institutions in Italy and Belgium.
He is an active member of the Italian Society of Obesity Surgery and Metabolic Disorders (S.I.C.OB.) and the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), contributing to the advancement of bariatric surgery on an international level.
Dr. Ayman is distinguished by his dedication to patient care and his advanced skills in minimally invasive and bariatric surgery.
Dr. Jan Kulawik, MD, PhD, is a member of the Bariatric and Laparoscopic Surgery Team. He is a bariatrician and general surgery specialist.
Jan Kulawik, M.D., assists with procedures in the field of:
Obesity surgery
Read moreDr. Jan Kulawik, MD, PhD, is a member of the Bariatric and Laparoscopic Surgery Team. He is a bariatrician and general surgery specialist.
Jan Kulawik, M.D., assists with procedures in the field of:
Obesity surgery
Professor Burhan Mayir isespecially interested in metabolic and bariatric surgery, also. He performs single port (scarless) sleeve gastrectomy, gastric by pass procedures and revisional bariatric surgeries. He has experience about metabolic-bariatric surgery, gastro-esophagus reflux surgery, endoscopic thyroid surgery (scarless thyroidectomy), cancer surgery, hernia surgery, adrenal gland surgery, other gastrointestinal surgical procedures, liver surgery, spleen surgery, hemorrhoid surgery and anal fissure surgery. He has speeches in various congresses and meetings, over 60 articles published in national and international refereed journals, and over 100 abstracts presented at congresses.
Read moreProfessor Burhan Mayir isespecially interested in metabolic and bariatric surgery, also. He performs single port (scarless) sleeve gastrectomy, gastric by pass procedures and revisional bariatric surgeries. He has experience about metabolic-bariatric surgery, gastro-esophagus reflux surgery, endoscopic thyroid surgery (scarless thyroidectomy), cancer surgery, hernia surgery, adrenal gland surgery, other gastrointestinal surgical procedures, liver surgery, spleen surgery, hemorrhoid surgery and anal fissure surgery. He has speeches in various congresses and meetings, over 60 articles published in national and international refereed journals, and over 100 abstracts presented at congresses.
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chiang Mai University
Certificates
Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society
Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Current Positions
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL
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INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chiang Mai University
Certificates
Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society
Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Current Positions
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL
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.
Administrative Duties
Memberships in Scientific Organizations
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.
Administrative Duties
Memberships in Scientific Organizations