Meet Our Team
Medical Director Gail M. Wynn, MD, FACS
Gail M. Wynn, MD, FACS is a board certified general surgeon with a special
focus on weight loss surgery and advanced laparoscopic surgery. She is
co-founder of the Christiana Institute of Advanced Surgery (CHRIAS) and
has performed over 2,000 weight loss surgeries. Along with her partners,
Drs. Irgau and Peters, she is committed to providing excellent surgical
care and a comprehensive surgical weight loss program in a caring, compassionate
Dr. Wynn did her medical training at Southern Illinois University School
of Medicine where she graduated with honors. She completed her surgical
training at the Medical Center of Delaware, and has authored numerous
publications and academic presentations. Dr. Wynn was voted one of Delaware’s
Top Docs for Abdominal surgery from 2007 to 2011 by
Delaware Today magazine. She was also voted Delaware’s Top Bariatric Surgeon from
2011 to 2015.
Isaias Irgau, MD, FACS, FRCS (Ed)
Dr. Isaias Irgau is president and co-founder of the Christiana Institute
of Advanced Surgery (CHRIAS). He has extensive experience with minimally
invasive weight loss surgery. In conjunction with his associate, Dr. Gail
Wynn, he was a member of the team who was the first to perform the LAP-BAND®
procedure and the first to firmly establish the laparoscopic approach
to Roux-En-Y gastric bypass in the state of Delaware. Dr. Irgau has personally
performed over 2,000 bariatric procedures with excellent results. He and
his associate, Dr. Wynn, - established the Bariatric Surgery Program in
two of Delaware’s leading medical centers – Christiana Hospital
and Saint Francis Hospital. With the addition of Dr. Michael Peters Jr.
to CHRIAS, they eventually led the two hospitals to earn the prestigious
designation of MBSAQIP Accredited Comprehensive Center in Bariatric Surgery.
Dr. Irgau graduated from Bristol University Medical School in England and
has a double fellowship with the Royal College of Surgeons of Edinburgh
and the American College of Surgeons. He is board certified in General
Surgery with the American Board of Surgery. Dr. Irgau is author of numerous
publications and academic presentations and was elected Young Surgeon
of the Year by the Delaware Chapter of the American College of Surgeons in 2006.
Michael Peters Jr., MD, FACS, FASMBS
Michael Peters Jr., MD, FACS, FASMBS is the Medical Director of Bariatric
Surgery for Christiana Care Health System. He is a board certified general
surgeon with fellowship training in advanced laparoscopic surgery and
Dr. Peters received his medical degree from Thomas Jefferson Medical College
and completed his general surgery training at the Pinnacle Health Hospitals
in Harrisburg, Pennsylvania. He completed a clinical and research fellowship
in advanced laparoscopy and bariatric surgery at the Michael DeBakey Surgery
Center of Excellence at the Baylor College of Medicine in Houston, Texas
and joined the Christiana Institute of Advanced Surgery on completion
of his fellowship.
Dr. Peters was the first surgeon in the state of Delaware to perform a
sleeve gastrectomy procedure for weight loss. Along with his partners,
he is committed to providing excellent surgical care and a comprehensive
surgical weight loss program in a caring, compassionate environment.