CALIFORNIA/NEVADA CHAPTER ASMBS
Our Board

President
Kamran Samakar, MD, FAFMBS, FACS
Director of Metabolic & Bariatric Surgery at Keck Medicine USC and Director of Pediatric Bariatric Surgery at Children's Hospital Los Angeles
Keck Medicine of USC

Vice President
Victoria Lyo, MD, FACS
A clinical, academic bariatric and foregut surgeon, and NIH-funded Building Interdisciplinary Research Careers in Women's Health (BIRCWH) K12 scholar. Currently studying Sex Differences in Bariatric Surgery and interest in non-invasive means to measure MASLD response to bariatric surgery.
UC Davis

Secretary
Yijun Chen, MD
Dr. Yijun Chen is a Health Sciences Associate Clinical Professor in the David Geffen School of Medicine at UCLA.
He completed his general surgery residency training at Stanford University, and a bariatric fellowship at Duke University
UCLA

Treasurer
Kulmeet Sandhu,
MD, ABOM
Associate Professor of Surgery and the Associate Director of Minimally Invasive and Bariatric Surgery at Cedars-Sinai Medical Center. Also serving as Director of the Advanced Gastrointestinal Minimally Invasive/Bariatric Surgery Fellowship and Medical Director of the Surgical Simulation Center.
Cedars - Sinai

Past President
Pearl Ma, MD, FASMBS, FACS, DABS-FPMBS
UCSF Fresno Resident Excellence in Teaching Award, Leon S Peters Foundation Resident of the Year Award, ASMBS Distinguished Service Award, and Treatment of Obesity and Research (TREO) Foundation 2023 Rising Star Award
Advanced Laparoscopic Surgical Associates/ Community Health Partners

Board Member
Alexander Ayzengart,
MD, MPH, FASMBS, FACS
A board-certified robotic bariatric and gastroesophageal surgeon and a clinical assistant professor of surgery at the University of Nevada, Reno School of Medicine. Formerly a lieutenant commander, serving as staff surgeon and a department head in the US. Navy Medical Corps.
Renown Health

Board Member
Helmuth Billy, MD
Director of Bariatric Surgery at St. John’s Regional Medical Center, a recognized bariatric Center of Excellence by the Surgery Review Committee, Medicare, Blue Cross, Blue Shield and Health Net, and Medical Director of the Community Memorial Hospital.
Ventura Advanced Surgical Associates

Board Member
Erik Simchuk, MD
Medical Director at Enloe Health Bariatrics.
Enloe Health Bariatric & Metabolic Services

Board Member
Brain Smith, MD
Comprehensive benign and malignant foregut surgeon, and perform primary and revisional bariatric surgery. I practice at both UC Irvine Medical Center and VA Long Beach Healthcare System.
UCI Health

IH Member
Katie Chapmon,
MS, RD
A registered dietitian nutritionist specializing in bariatric nutrition, GI issues, and hormonal health. She has more than 17 years of hands-on clinical experience with leading medical providers and individual clients. 2010 Recognized Young Dietitian of the Year and 2018 Excellence in Practice.
Katie Chapmon Nutrition

STAR - California
Adrian Dobrowolsky, MD, FACS
Director of the Bariatric Weight Loss Prrogram at Hoag. Specializes in minimally invasive surgery for weight loss and diseases of the esophagus and stomach using laparoscopic and robotic methods.
Hoag Physician Partners, Hoag Specialty Clinic

STAR - Nevada
Morgan Pomeranz, MD, FASMBS, FACS
Board-certified surgeon, specializing in advanced laparoscopic and robotic surgery, including weight loss, anti-reflux, hernia/abdominal wall, and general surgery in Las Vegas, Nevada.
Dignity Health Bariatrics
