Dr. Tarek M. Hashem is an Associate Professor of Surgical Oncology at the National Cancer Institute, Cairo University (since 2020). He is also a Consultant in Breast and Oncoplastic Surgery at Shefa Al Orman Comprehensive Cancer Center in Luxor (2018–present).

Focus: breast cancer management and oncoplastic surgery. Procedures include breast-conserving surgery, mastectomy, and lumpectomy. Axillary staging includes sentinel lymph node biopsy and axillary dissection. He performs reduction mammoplasty and mastopexy. Reconstruction options include implants, expanders, and flaps (LD, TDAP, LICAP, AICAP, TRAM, SEAP), as well as nipple reconstruction and lipofilling. He also performs supermicrosurgery for lymphedema.

Credentials: MBBCh (Kasr El-Aini, Cairo University). MRCS (England, 2008). Master’s in General Surgery (Kasr El-Aini, Cairo University, 2009). International Breast Surgery Fellowship per EUSOMA (Marienhospital Düsseldorf, 2011). Fellowship in Breast Surgery (Heidelberg University Hospital, 2013). Doctoral degree in Surgical Oncology (2015).

Dr. Hisham Khalifa is a Consultant Surgical Oncologist. He assesses, diagnoses, and operates on gynecological cancers, including ovarian, uterine, cervical, vaginal, and vulval cancers. He performs both minimally invasive (laparoscopic) and open surgery.

Career milestones: Resident and faculty member at the National Cancer Institute, Cairo University (2001–2014). Assistant Professor at AlFaisal University and Assistant Consultant at King Faisal Hospital and Research Center (KFSHRC), Riyadh (2014–2019). Consultant at the NCI, Cairo (2019–present); Director of the Professional Diploma in Gyne-Onco Surgery. Consultant at the Oncology Pediatric Hospital–Alexandria University and Shefa Al Orman Comprehensive Cancer Center, Luxor (2020–present).

Credentials: MBBCh (1999); Master’s in General Surgery (2004); Doctorate in Surgical Oncology (2008); Fellowship of the European Board of Surgery (FEBS, UEMS). Memberships: FACS; SSO; ESSO; ECS; EGSSO.

Dr. Kaczirek specializes in complex hepatobiliopancreatic and oncological visceral surgeries at Vienna General Hospital (AKH).

• Senior physician with 27 years of experience of experience in general and visceral surgery
• Expert in liver, pancreas, and endocrine surgeries
• Member of multiple surgical societies including the European Society of Surgical Oncology
• Habilitation and teaching license in surgery
• Published reviewer for several medical journals

Dr. Schoppmann leads Vienna's Gastroesophageal Tumor Unit and has authored 240+ specialized articles on surgical oncology.

• Head of Upper-GI-Service at Medical University of Vienna
• General Secretary of the Austrian Society of Surgical Oncology
• Specializes in complex gastric and esophageal cases
• Associate Professor for Surgery with extensive research contributions

Prof. Klepetko leads Vienna General Hospital's Thoracic Surgery division, performing 100+ lung transplants annually. His team handled Niki Lauda's high-profile transplant.

• Specializes in lung cancer, pulmonary hypertension, and complex thoracic procedures
• Founded one of the world's largest lung transplant programs
• Former president of the European Association for Cardio Thoracic Surgery
• Recipient of Austria's Grand Decoration of Honor for medical achievements

Prof. Dr. Adem Dervisoglu specializes in minimally invasive and endocrine surgery with training from top institutions including San Francisco University.

• Over of experience in visceral and endocrine surgery
• Trained in advanced minimally invasive techniques in Hamburg
• Member of the Association of Endocrine Surgery
• Specializes in surgical treatment of obesity with adjustable gastric band