About Hrayr S. Karagueuzian & Levon V. Demirdjian | Health & Risk Experts - Am I at Risk? by Dr. Hrayr Karagueuzian & Dr. Levon Demirdjian

A Powerful Collaboration

Together, these two experts combine medicine and mathematics to deliver a revolutionary perspective: Health is not fate—it is measurable, modifiable, and preventable.

Welcome to the Minds Behind the Science

Behind every breakthrough in health education is a commitment to uncovering truth and sharing it in a way that can change lives. Dr. Hrayr S. Karagueuzian and Dr. Levon V. Demirdjian bring together decades of expertise in medicine, cardiovascular research, statistics, and data science to help readers better understand the factors that influence long-term health.

Their shared mission is simple: to make complex scientific knowledge accessible, practical, and empowering. Through Am I at Risk?, they provide readers with the tools needed to understand risk, prevent disease, and take control of their future.

Dr. Hrayr S. Karagueuzian

Dr. Hrayr S. Karagueuzian is an Adjunct Professor Emeritus of Medicine at the David Geffen School of Medicine at UCLA and a globally recognized expert in cardiac electrophysiology. With a PhD in Pharmacology from Columbia University, he has authored over 200 peer-reviewed scientific publications focused on heart rhythm disorders and sudden cardiac death. His research has advanced the understanding of critical health risk factors, particularly those linked to life-threatening arrhythmias such as ventricular fibrillation. Through his work, Dr. Karagueuzian is dedicated to translating complex biomedical science into practical knowledge that empowers individuals to better understand and reduce their health risks.

A Message That Could Change Your Life

Risk is not destiny.

It is measurable, modifiable, and preventable.

Dr. Levon V. Demirdjian

Dr. Levon V. Demirdjian is an oncologist specialist with an expertise in epidemiological health risk analysis and data-driven decision-making. He earned his PhD in Statistics from UCLA and completed a postdoctoral fellowship at the Children’s Hospital of Philadelphia. With over a decade of experience in cancer research and development, Dr. Demirdjian focuses on translating complex data into actionable insights that empower individuals to make informed health choices and improve long-term outcomes.