“Sorted Alphabetically”
Meet Our Experts
Alaa Al-Hussuna
Associate Professor of Surgery at Aalborg University, Denmark, and leader of the OpenSourceResearch Collaboration. A recognized researcher in colorectal surgery and inflammatory bowel disease, with over 100 publications and contributions to international IBD guidelines. He is actively involved in major European societies, including ESCP and ECCO, shaping research and education in colorectal surgery.
David Liska
He earned his bachelor’s and master’s degrees from Johns Hopkins University and his medical degree from Yale University. He completed his general surgery training at New York-Presbyterian Hospital/Weill Cornell Medical Center, followed by a colorectal cancer research fellowship at Memorial Sloan Kettering Cancer Center and a clinical fellowship in colorectal surgery at the Cleveland Clinic.
Frederic Ris
Professor of Surgery at Geneva University Hospitals, Switzerland, and Vice-Director of its Cancer Center. European board-certified colorectal surgeon and international expert in minimally invasive colorectal, oncologic surgery, and advanced imaging, with over 300 publications.
Isam Juma
Professor of Surgery at the Royal College of Surgeons, Ireland- Medical University of Bahrain.
Colorectal and general surgeon at Royal Medical Services- King Hamad University Hospital and Bahrain Oncology Centre- Kingdom of Bahrain.
Jean Jankins
Consultant Surgeon at St. Mark’s Hospital, London, and leader of the St. Mark’s Complex Cancer Clinic. Internationally recognized for expertise in advanced colorectal and pelvic cancer surgery and laparoscopic colorectal resection. He contributes widely to surgical research, training programs, and global collaborations in colorectal cancer management.
Jim khan
Internationally recognized colorectal surgeon and Professor of Surgery at the University of Portsmouth. A key opinion leader in robotic and laparoscopic colorectal surgery with over 25 years of clinical experience. He is actively involved in surgical training and research, with more than 120 peer-reviewed publications and leadership roles in advanced surgical education.
Mahdi Taher
Consultant Colorectal and General Surgeon in the UAE and a Dutch double board-certified gastrointestinal and oncologic surgeon. Specializing in colorectal surgery with a strong focus on innovation, advanced techniques, and evidence-based care. Committed to improving surgical outcomes and advancing modern healthcare.
Nasser Alsanea
Professor of Colon & Rectal Surgery and Director General of Health Affairs at Princess Nourah Bint Abdulrahman University. Former Head of Colon & Rectal Surgery at King Faisal Specialist Hospital & Research Centre, Riyadh, and Honorary Fellow of the American Society of Colon & Rectal Surgeons. Editor-in-Chief of the World Journal of Colorectal Surgery and Annals of Saudi Medicine, with over 100 scientific publications.
Omar Faiz
Consultant Colorectal Surgeon specializing in inflammatory bowel disease, colorectal cancer, and proctology. His work focuses on laparoscopic colorectal surgery and endoscopic procedures. A leading researcher in colorectal surgical outcomes and health services research, he has authored numerous scientific publications and contributes to national clinical guidelines.
Raul Hompes
Consultant Colorectal Surgeon at the Academic Medical Center, University of Amsterdam, Netherlands, and Honorary ASCRS Fellow. Specialist in minimally invasive surgery, colorectal cancer, IBD, and chronic pelvic sepsis. Active researcher with 200+ publications; holds leadership roles in ESCP, ESSAT, and UEG.
Sherief Shawki
Double board-certified colon and rectal surgeon at MedStar Franklin Square Medical Center, USA. Expert in complex colorectal diseases with minimally invasive, robotic-assisted, and trans-anal surgical techniques. Former consultant at Mayo Clinic and Cleveland Clinic; active in research, education, and society leadership, including SAGES and ASCRS.
