マヌエラ・ザイフェルト医師は、ゾーリンゲン・クリニックの乳がんセンターを率い、乳房温存手術および審美的再建術を専門としています。
Dr. Guy Lahat, MD, is a surgical oncologist with over 21 years of experience. He specializes in soft tissue sarcoma (STS) and gastrointestinal cancers. Dr. Lahat is known for his research on the molecular mechanisms and tumor microenvironment that influence cancer progression and spread.
He has received the Connie & Jim Walter Fellowship in Sarcoma Research. Dr. Lahat is an active member of the Society of Surgical Oncology and the Connective Tissue Oncology Society. His work has improved the understanding and treatment of complex cancers.
Dr. Ofer Yossefovitz is a leading Israeli urological surgeon. He specializes in oncological, laparoscopic, and robotic urology. He has over 25 years of clinical experience. Dr. Yossefovitz earned his MD at Jerusalem University. He also completed advanced fellowships at Memorial Sloan Kettering Cancer Center in the USA.
Dr. Yossefovitz has led oncological urology departments at Ichilov and Beilinson hospitals. He has published many scientific papers. He is also a Senior Lecturer at Tel Aviv University. Dr. Yossefovitz is a member of the Israeli, European, and American Urology Associations. His memberships reflect his international accreditation and recognition.
Dr. Oscar Aballay is a board-certified specialist in Internal Medicine, Cardiology, Pulmonology, and Critical Care Medicine. He has over 20 years of clinical experience. Dr. Aballay practices at Sourasky Medical Center. He provides advanced, evidence-based care for complex heart and lung conditions.
Dr. Aballay is known for his high patient success rates and dedication to medical excellence. He speaks both Spanish and English. He is accredited by leading medical boards. Dr. Aballay has improved patient outcomes through innovative treatments and teamwork with other specialists.
General and Digestive System Surgeon. Focus on minimally invasive colorectal, proctologic, and abdominal wall surgery. Associate Head, Infanta Elena University Hospital (2021–). Associate Surgeon, Fundación Jiménez Díaz (2013–).
Accreditations: PhD in Surgery, summa cum laude (UAM). Certified in robotic surgery (Da Vinci X/Xi/5). Advanced training in laparoscopic general surgery (IRCAD, Strasbourg). Specialist in General and Digestive Surgery (Fundación Jiménez Díaz).
Achievements: Researcher (2013–). Author of a patent for an abdominal wall prosthetic implantation system (2021). Co‑author of the Rectal Obturator utility model (2021). Peer reviewer, International Journal of Surgery Case Reports (2024–). Thesis tutor (2023–). Publications in Cirugía Española, Experimental Biology and Medicine, Histology and Histopathology, and The American Journal of Surgery. Member of AEC, AECP, and ICOMEM.
General Surgery
Colorectal Surgery
Obesity and Metabolic Surgery
Medical Director
Brief Curriculum Vitae
I was born in Trabzon on 15.07.1969. After I attended Ismetpaşa Primary School and Cumhuriyet Secondary School, I was graduated from Trabzon High School. I had medical education and training in School of Medicine of Karadeniz Technical University from 1986 to 1992. I worked as medical practitioner in Alacahan subdistrict, Kangal District, Sivas City in 1992-1993 and in Sivas Police Headquarters to fulfill the conscription. I was assigned as Health Group Manager and Medical Practitioner in Dernekpazarı District of Trabzon in 1993-1994. I passed the Examination for Medical Specialty in 1995 and I had my residency training and education at Department of General Surgery in Istanbul School of Medicine of Istanbul University from 1995 to 2000. I was awarded the title of “General Surgeon” after I submitted the medical specialty thesis titled “Relationship between gastrointestinal tumors and HLA” in 2001. After I worked at a privately owned hospital in 2000-2002, I started working in General Surgery Clinic of Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2003. I had rotation in General Surgery Clinic of School of Medicine in Istanbul University for 9 months in 2007. I was awarded the title “Associate Professor of General Surgery” in 2010. I undertook Management duties in Şişli Hamidiye Etfal Training and Research Hospital from November 2012 to December 2013 and in Bakırköy Dr. Sadi Konuk Training and Research Hospital from December 2013 to April 2015. I had been Head of Education and Administrative Affairs, General Surgery clinic at Bakırköy Dr. Sadi Konuk Training and Research Hospital since 2010. I am Medical Director and General Surgeon at VM Medical Park Florya Hospital in Istanbul Aydın University as of 2017.
I have intentionally dealt with renal transplantation during my residency education. After I was awarded the title “medical specialist”, I participated to diagnostic & therapeutic endoscopy, bariatric surgery, laparoscopy and robotic surgery educations abroad for short periods. I am intensively dealing with any and all laparoscopic surgical procedures (especially bariatric and gastrointestinal system surgery) and diagnostic and therapeutic endoscopic procedures (gastroscopy, colonoscopy, ERCP, endoscopic ultrasound) in this clinic since 2003 and I also play the role of trainer. I do and train others about General Surgery procedures with Da Vinci Robotic system since 2010.
I authored 74 papers that are published in SCI and SCI-e journals and 55 papers that are published in local journals, along with 7 book chapters and 86 papers presented in local congresses and 180 papers presented in international congresses.
I am member of Turkish Surgical Association, Turkish Association of Trauma and Emergency Surgery, Turkish Association of Endoscopic – Laparoscopic Surgery, Turkish Association of Obesity Surgery, Turkish Transplantation Centers Coordination Association and Istanbul Surgical Association. I am also member of International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES), International Active Member of European Association for Endoscopic Surgery (EAES), International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO), International Active Member of International School of Surgical Oncology (ISSO), International Active Member of International Federation Surgical Obesity (IFSO).
Date of Birth: July 15th, 1969
Educational Status:
Bachelor’s Degree School of Medicine Karadeniz Technical University 1992
Medical Specialty Department of General Surgery, Istanbul School of Medicine İstanbul University 2001
Title of Medical Specialty Thesis (abstract is attached) and Supervisor:
1. “Relationship between gastrointestinal tumors and HLA”. February 2001 Supervisor: Prof. Uluğ Eldegez, M.D.
General Surgeon Büyük Anadolu Hospital 2001-2003
General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2003-2006
General Surgeon Istanbul University Emergency Surgery Clinic, Department of General Surgery, Istanbul School of Medicine 2006-9 months
General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2006-2010
Associate Professor of General Surgery Bakırköy Dr Sadi Konuk Training and Research Hospital 2010-…
Head of Training and Administrative Affairs, General Surgery Clinic Bakırköy Dr Sadi Konuk Training and Research Hospital 2010 - …
Doctorate thesis / proficiency in art studies supervised:
1. Ede, B., “Changes in Thyroid Hormones After Thyroid Surgery”, Bakırköy Dr Sadi Konuk Training and Research Hospital 2006.
2. Dodur B., “Factors Influencing Mortality and Morbidity in Gastrointestinal Bleeding” Bakırköy Dr Sadi Konuk Training and Research Hospital 2006.
Duties undertaken in Projects:
1. “Enteral Stents for Colonic Obstructions (ESCO): Prospective, randomized European multisentric study, comparing enteral stent followed by elective surgery versus emergency surgical treatment in malignant colonic obstruction. “ European Association for Endoscopic Surgery (EAES) Clinical Trial Center (CTC) Clinical Trial gov. Identifier: NCT00591695
2. A phase III, randomized, double-blind, parallel group efficiency and safety study that compares safety and efficiency of oral dabigatran etexilate (150 mg BID) with warfarin (INR = 2.0-3.0) in semiannual treatment of acute symptomatic thromboembolism following initial treatment with a parenteral anticoagulant agent, which is approved for the relevant indication, minimum for five days – RECOVER II” Protocol code 1160.46
Editorialships:
1. General Surgery Department, Advisory Board, Turkish Clinics Medical Sciences Journal, 2010
2. “Global Journal of Surgery” Editorial Board 2010
Scientific Organization Memberships:
1. Turkish Surgical Association
2. Association of Trauma and Emergency Surgery
3. Turkish Association for Endoscopic and Laparoscopic Surgery
4. Turkish Obesity Surgery Society
5. Organ Transplantation Centers Coordination Association
6. Istanbul Surgical Association
7. International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES).
8. International Active Member of European Association for Endoscopic Surgery (EAES)
9. International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO).
10. International Active Member of International School of Surgical Oncology (ISSO).
11. International Active Member of International Fedaration Surgical Obesity (IFSO)
Doctor Luca Aldrighetti is a highly experienced hepatobiliary surgeon and the Head of the Hepatobiliary and General Surgery Division at the San Raffaele Research Hospital in Milan. He is an international pioneer of minimally invasive liver surgery, having initiated and developed the San Raffaele laparoscopic liver resection program with more than 1,000 cases to date. He has a PhD in Technological Applications and Experimental Methodologies, is Professor at the Vita-Salute San Raffaele University and the IRCCS San Raffaele Hospital, and is a member of 18 national and international scientific societies.
ブラジルレーザー医学外科学会の会員であるLiuzzi医師は、美容皮膚科学および最新の美容治療を専門としています。
Dr. Gokhan Yilmaz is an experienced general surgeon with nearly 20 years in medical practice. He is known for his skill in complex surgical procedures. He earned his Master’s Degree from Istanbul University Çapa Faculty of Medicine. He completed his Doctorate in General Surgery at Okmeydanı Training and Research Hospital, one of Turkey’s leading institutions.
Dr. Yilmaz worked as a General Surgery Specialist at Zonguldak Atatürk State Hospital for 5 years. He then served at Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital for 3 years. In these roles, he managed a wide range of surgical cases. He also served as an Assistant Professor at Istanbul Medipol University, where he trained future surgeons and contributed to research.
Dr. Yilmaz is currently part of the General Surgery Department at Medipol University Pendik Hospital. He provides advanced treatments and high-quality patient care. His experience in state hospitals, research centers, and universities highlights his dedication to surgical excellence and patient safety.
Prof. Dr. Cătălin Copăescu is Romania’s first surgeon recognized for excellence in metabolic and bariatric surgery. He holds both European (IFSO-EC) and American (SRC) certifications. He received these titles in 2011 and 2014. His achievements led to Ponderas Hospital becoming the only Center of Excellence in Bariatric and Metabolic Surgery in Southeast Europe.
Dr. Copăescu is the Director of the Bariatric Surgery Center of Excellence at Ponderas Academic Hospital. He performs over 1,000 minimally invasive procedures each year. His expertise includes laparoscopic and robotic-assisted surgeries for metabolic, colorectal, and hernia conditions. With 25 years of experience, he is also a leader in surgical education. He directs several hands-on courses and international workshops every year.
Dr. Pong Kittisak Vichachai (License No. 15389) is the Hospital Director at Lelux Hospital. He is a board-certified plastic surgeon with 36 years of surgical experience. He holds board certifications in General Surgery and in Plastic and Reconstructive Surgery.
Education: MD, Faculty of Medicine, Chulalongkorn University (1989). Specialization in Plastic and Reconstructive Surgery, Phramongkutklao College of Medicine (2001).
Key practice areas: breast augmentation; rhinoplasty; facial rejuvenation (facelift, chin augmentation); abdominoplasty; hip augmentation; forehead augmentation.
Dr. Rocco Cerra is a specialist in plastic, reconstructive, and oncological surgery. He has over 35 years of experience. From 1993 to 2019, he worked as Dirigente Primo Livello at the Istituto Nazionale Tumori “Fondazione G. Pascale” in Naples. During this time, he performed more than 15,000 surgeries in public healthcare and over 2,700 in international and private settings. His main areas of expertise are breast reconstruction after mastectomy, microvascular surgery, and tissue regeneration.
Dr. Cerra is now the Scientific Director of SGBG Suisse General Biomedical Group SA. He oversees centers in Switzerland, Italy, and Dubai, and leads research in regenerative medicine. He has managed international projects on stem cell therapy and medical devices for body contouring. Dr. Cerra has written over 60 scientific publications and has presented at 84 national and international congresses. He graduated with honors in Medicine and General Surgery from the University of Naples.
Dr. Jaroslav Tvaruzek is a specialist in robotic surgery. Dr. Tvaruzek is a leading certified expert by Intuitive Surgical - the American produced of the original Da Vinci robots. The doctor is a member of Association of Aesthetic Medicine and Association of Bariatric Surgery.
Dr. Tvaruzek heads the Center of Robotic Surgery located in the St. Zdislava Hospital (the Czech Republic). The doctor has performed over 3,500 robotic surgeries for his practice. Among them are:
Prof. Dr. Kandemir was the head of the Periodontology Department at Ege University until 2019. He has made significant contributions to dental science, particularly in periodontal disease and implantology over his dynamic career.
Dr. Kandemir holds a Doctorate in Clinical Sciences from Ege University, where he has been a full professor since 1994. He has published 14 research papers and presented at various international conferences, including the İzmir Dişhekimleri Odası and ACBID International Conference.
He has supervised numerous doctoral theses and led impactful research projects, enhancing periodontal treatment methods. Dr. Kandemir is proficient in English and continues to advance dental education and care standards at Nifa Dent Oral and Dental Health Clinic.
20,000件以上の眼科手術を執刀 – タル医師は、デュンヤゴズ眼科病院にて数十年の経験を持つ、眼科学の第一人者です。
Eduardo Fernandez, MD
Medical Doctor & Stem Cell Expert
Dr. Eduardo Fernandez is a distinguished medical professional specializing in stem cell therapies and regenerative medicine. He is a certified member of the Mexican College of Stem Cells and Regenerative Medicine, as well as the Mexican Council of Stem Cells for Therapeutic and Research Purposes. Dr. Fernandez’s certifications are the result of a rigorous 8-hour examination process, reserved for a select group of doctors who possess advanced knowledge and experience in these cutting-edge treatments. With only 50 certified doctors in Mexico, Dr. Fernandez’s expertise is highly sought after and respected.
In addition to his national recognition, Dr. Fernandez is awaiting international certification from the renowned International Society for Stem Cell Research (ISSCR). Membership in this prestigious organization signifies Dr. Fernandez’s extensive experience and expertise in stem cell treatments. The ISSCR includes prominent scientists from renowned universities such as Harvard, Yale, Stanford, and other esteemed institutions worldwide. Being a part of this elite society represents the pinnacle of honor and prestige in the field of stem cell therapies.
Furthermore, Dr. Fernandez is also seeking membership and international certification from the International Society for Extracellular Vesicles (ISEV), the largest community of extracellular vesicle researchers globally. With only two thousand members worldwide, ISEV’s select nature underscores Dr. Fernandez’s exceptional dedication to advancing scientific knowledge in the study of exosomes and cellular messengers. By pursuing membership in ISEV, Dr. Fernandez continues to demonstrate his commitment to staying at the forefront of research and innovation in the field of regenerative medicine.