Peter Belafsky, M.D., M.P.H., Ph.D.

Professor & Director, Center for Voice and Swallowing Department of Otolaryngology/Head and Neck Surgery, University of California at Davis Medical Center

Vice Chairman for Academic Affairs, University of California at Davis Medical Center

Professor, Department of Medicine and Epidemiology, University of California at Davis School of Veterinary Medicine

Dr. Belafsky joined Matrix’s clinical advisory board to support the company’s mission of expanding access to healthcare. His areas of interest include the design of clinical trials and increasing the diversity of trial participants. He is a leader in the comprehensive diagnosis and management of voice, swallowing and airway disorders. As medical director of the Voice and Swallowing Center at the University of California at Davis, Dr. Belafsky treats a wide array of laryngeal and esophageal disorders, and has pioneered minimally invasive treatments of voice and swallowing disorders.


He holds multiple patents, has been involved with several startup companies, is a widely published author and frequent speaker, and has received numerous grants and awards.


Dr. Belafsky holds a Bachelor of Arts cum laude from Vassar College, an M.D. from Tulane University School of Medicine, a Master of Public Health from Tulane University School of Public Health and a Ph.D. in epidemiology from Tulane University Graduate School.

Marthe Haverkamp, M.D., Ph.D.

Public health specialist and senior associate at Alvarez & Marsal Healthcare Industry Group

Dr. Haverkamp is a physician and public health specialist with a deep understanding of value-based healthcare, cost-reduction strategies and healthcare systems in the U.S. and internationally.


She has worked with startup companies in pharma and healthcare delivery, helping them develop and fund their novel preventative and therapeutic products and ideas. She was a fellow at the International Women’s Forum, the Commonwealth Fund in New York and the Harvard T.H. Chan School of Public Health. Dr. Haverkamp began her career as an infectious disease specialist at Leiden University Medical Center, in the Netherlands. She also served as a strategic advisor to the Dutch government.


Dr. Haverkamp received an M.D. in infectious diseases from Utrecht University and a Ph.D. in immuno-genetics from Leiden University. She also attended executive education programs at Harvard Business School and Insead. Earlier in her career, she was a Fulbright fellow.


She serves on the boards of WHAMglobal, which focuses on improving maternal and child health outcomes, the Merritt Charity and the Netherland America Foundation.

Melbourne Hovell, Ph.D.

Division of Health Promotion and Behavioral Science Distinguished Professor, San Diego State University School of Public Health

Executive Director, Center for Behavioral Epidemiology and Community Health, San Diego State University College of Health and Human Services

Dr. Hovell brings a deep understanding of behavioral science and epidemiology to Matrix and is focused on the continuing development of an integrated behavioral medicine program to drive better outcomes for acute, chronic and preventative care.


Dr. Hovell earned a Bachelor of Arts with honors in developmental psychology from San Francisco State University, a Master of Arts with honors in behavior analysis and experimental psychology from Western Michigan University, a doctorate in child psychology and human development with a specialization in adolescent development from the University of Kansas, and a postdoctoral Master of Public Health in social epidemiology from the University of California at Berkeley. Dr. Hovell is the founding and former head of the Division of Health Promotion at San Diego State University.

Lisa Saiman, M.D., M.P.H

Professor of Pediatrics - Columbia University Irving Medical Center

Hospital Epidemiologist - NewYork-Presbyterian Morgan Stanley Children's Hospital

Dr. Saiman’s primary research and clinical interests include hospital epidemiology and healthcare-associated infections, ranging from the neonatal ICU and cystic fibrosis, to pediatric long-term care with a particular focus on respiratory viruses. She has served as the hospital epidemiologist at NewYork-Presbyterian Morgan Stanley Children’s Hospital for more than two decades. Dr. Saiman is the chair of the Department of Pediatrics’ Committee on Appointments and Promotions (CoAP) and serves as the associate vice chair for faculty development.


She is a member of the Society for Healthcare Epidemiology of America (SHEA), where she serves on the publications committee and was on the Pediatric Leadership Council. She is a member of the Infectious Diseases Society of America (IDSA), where she serves on the Antimicrobial Stewardship Committee. She is also a member of the Pediatric Infectious Diseases Society (PIDS).


Dr. Saiman has been elected to the Pediatric Research Society and the Pediatric Academic Society. In addition, she serves as an advisor to the New York State Health Department and to the Cystic Fibrosis Foundation on matters related to infection prevention and control.


She received her M.D. from Albert Einstein College of Medicine - Yeshiva University and completed an internship, fellowship and residency at Babies & Children's Hospital - Columbia Presbyterian Medical Center.