Who are we?

Our team is a group of experienced clinical researchers, epidemiologists, user experience experts, programmers, data scientists and study coordinators. The Eureka Research Platform is building on the success of the innovative Health eHeart Study, which harnesses the power of online and mobile technology to gather data from study participants all over the world through devices such as mobile applications, sensors, connected devices, and the internet.  The “bricks and mortar” days have passed, we have over 180K active participants and growing contributing data remotely and stored in the cloud!

Principal Investigators

Jeffrey E. Olgin, MD

Professor of Medicine & Chief of Cardiology, University of California San Francisco

Dr. Olgin is a practicing cardiologist and cardiovascular researcher. He has been involved in leading clinical trials and clinical research for over 20 years. He is one of the Principal Investigator of the Health eHeart Study and one of the creators and Principal Investigator of the Eureka Research Platform.

Mark J. Pletcher, MD, MPH

Professor of Epidemiology & Biostatistics and Medicine, University of California San Francisco

Dr. Pletcher is a practicing internal medicine physician and an epidemiologist. His research focuses on prevention of cardiovascular disease, how exposure to cardiovascular risk factors like blood pressure and cholesterol during young adulthood may contribute to heart disease later in life, and how to use emerging technology to improve health.

Gregory M. Marcus, MD, MAS

Professor of Medicine & Director of Clinical Research for Cardiology, University of California San Francisco

Dr. Marcus is a practicing cardiac electrophysiologist and cardiovascular researcher. His research interests include investigating causes and optimal treatments for abnormal heart rhythms, prevention of stroke, and the influences of common exposures (such as alcohol, caffeine and tobacco exposure) on health.


Patrick Maher

Director of Operations

Ryan Runge

Software Development Manager

Noah Peyser

Program Manager

Tech Team

Todd Parsnick

Technical Team Supervisor

Abel Sierra

Senior Software Engineer

Vadim Ananyev

QA Engineer

David Wen

Data Engineer

Alex Cabrera

Senior Software Engineer

Jin Yu

QA Engineer

Jairo Vazquez

Senior Software Engineer

Armando Godinez

Software Engineer

Dante Solorio

Mobile Engineer

Ricardo Barrera

Senior Software Engineer

Efren Carbajal Escamilla

Software Engineer

Jorge Gonzalez

Mobile Engineer

Experience Team

Carol Maguire, RN

Project Director

Robert Avram, MD, MSc, FRCPC

Cardiologist & Postdoctoral Scholar

Emina Seremet

Senior Project Manager for Health eHeart Study & Specialty Centers

Niloufar Abdollahi

Protocol Project Manager

Xochitl Butcher, BSA

Study Project Manager

Linnea Rohdin-Bibby

Clinical Research Coordinator

Nancy Wu, BS, MS

Protocol Project Manager

Helena Eitel

UX Designer