Leadership

Management Team

David Shipon, MD.

Founder & Chief Medical Officer

David Shipon, MD, FACC, is a board-certified cardiologist and nationally recognized leader in sports cardiology, preventive cardiology, and digital cardiovascular health. He is the Founder and Chief Executive Officer of Heartpass, a next-generation cardiovascular performance and wellness platform designed to integrate consumer and medical wearable technology, along with personalized heart-health analytics for athletes and high-performing individuals.

Dr. Shipon specializes in the evaluation and management of athletes and active adults across the lifespan. He is the sports cardiologist for many professional teams, universities, master and youth athlete programs. He is a Fellow of the American College of Cardiology (FACC) and has held leadership roles in academic and clinical cardiology programs, with a strong emphasis on evidence-based care, risk stratification, and athlete-specific decision-making. Dr. Shipon is also deeply involved in cardiovascular data science, registry development, and population-level heart-health initiatives.

Through Heartpass, Dr. Shipon is pioneering a scalable model that bridges clinical cardiology, consumer technology, and performance medicine, delivering actionable insights from ECGs, imaging, wearables, biomarkers, and lifestyle data into a unified, personalized heart-health score. His vision is to redefine preventive cardiology by moving from episodic care to continuous, data-driven cardiovascular stewardship.

Dr. Shipon has served as an advisor on the NBA and NCAA cardiovascular task force, professional sports teams, and digital health companies in an effort to shape the future of precision cardiovascular care.

Heidi Dohse

IT Architect

Heidi Dohse is a recognized leader at the intersection of endurance sports, digital health innovation, and patient advocacy. As a lifelong athlete and heart patient living with a pacemaker, Heidi brings a unique dual perspective that bridges the worlds of medical technology and active living.

With over a decade of experience working alongside healthcare organizations, research collaboratives, and medical device companies, Heidi has helped shape strategies for patient engagement, real-world data integration, and the development of AI-enabled digital health ecosystems. She has been actively involved in initiatives with the Medical Device Innovation Consortium (MDIC), the Patient-Centered Outcomes Research Institute (PCORI), and leading industry partners, consistently advocating for patient voices to be central in product development and clinical research.

Beyond her work in health innovation, Heidi is the founder of Tour de Heart, a patient-focused initiative that blends endurance cycling with education and advocacy to raise awareness of cardiovascular health and technology. She also focuses on programs designed to empower active adults with tools, coaching, and community support to pursue lifelong health and performance.

An accomplished endurance cyclist and multi-sport athlete, Heidi has competed in elite events such as Ironman triathlons and multi-day mountain bike stage races. Her athletic achievements, combined with her journey as a cardiac patient, inspire audiences worldwide to embrace the mindset of an athlete in both sport and life.
Heidi is a sought-after speaker, advisor, and collaborator who continues to champion the role of patient-generated data, digital health technologies, and community engagement in shaping the future of healthcare.

Jonathan Blum, M'Eng.

Co-Founder, Engineer

Jonathan Blum is a Co-Founder and Engineer at Heartpass with deep experience in software development and product innovation. He has spent his career at Comcast leading several initiatives in software engineering, analytics, and product strategy. While getting his Master’s in Engineering from Lehigh University he co-founded Nayroo, an award-winning healthcare startup that used technology to reduce patient wait times, help clinics operate more efficiently, and improve access to care.

Jonathan focuses on building products that solve meaningful problems through thoughtful design, automation, and user experience. He is passionate about working at the intersection of healthcare, sports, and wearable technology.

Femida Gwadry-Sridhar, Ph.D.

Dr. Femida Gwadry-Sridhar is the Founder and Chief Executive Officer of Pulse Infoframe Inc., a real-world evidence generation company that has supported disease registries, natural history studies, and regulatory-grade research since 2011. She is recognized internationally as a thought leader in real-world data and evidence, with more than 220 publications in top-tier journals.

Over her career, Dr. Gwadry-Sridhar has held academic appointments at Western University and as a visiting professor at the University of Southern California. She is a lifetime fellow of the Canadian Institute of Health Research (CIHR) and a founding member of the medical adherence group at ISPOR.

In addition to her leadership at Pulse Infoframe, she has served on numerous boards and initiatives supporting digital health innovation and female entrepreneurship. She also sits on the board of Medpace, a publicallytraded company.

Dr. Gwadry-Sridhar earned degrees in B.S. Biology from Western University, B.Sc.Phm. from the University of Toronto, M.Sc.(epi) from Western University and a Ph.D. in Health Research Methodology from McMaster University.

T. Jared Bunch, MD

Dr. Bunch is the Charles A. Nugent, Jr. MD, and Margaret Nugent Endowed Professor of Internal Medicine and the Associate Chief of Cardiovascular Diseases at the University of Utah. He graduated from the University of Utah School of Medicine with alpha omega alpha honors. He completed internal medicine residency at the Mayo Clinic and received the Outstanding Achievement Award from the Department of Medicine, Resident Research Award, and Donald J. Feist Primary Care Clinic Award for Clinical Excellence. He completed fellowships in cardiovascular diseases and electrophysiology at the Mayo Clinic and received the Mayo Brothers Distinguished Fellowship Award for clinical care and Donald C. Balfour Award for meritorious research. He served as an Assistant Professor of Medicine at the Mayo Clinic from 2003-2008.

He joined the cardiovascular team at Intermountain Heart Institute in 2008, directed heart rhythm research, and served as medical director of heart rhythm services from 2010-2019. He received the Physician Researcher of the Year for Intermountain Healthcare in 2014 and 2017. In 2012, he was awarded a Healthcare Hero Award for Innovation by the Utah Business Association. In 2020 he received the James H. Youngblood Excellence in Leadership Award from the Heart Rhythm Society. He was an Affiliated Clinical Associate Professor for Stanford University from 2015-2019 while at Intermountain before joining the University of Utah.

He has served in the Heart Rhythm Society as an ambassador for Central/South America and Southeast Asia, vice chair of the atrial fibrillation task force, HRS interoperability working group member, and other writing committees and task forces. He is the founding editor of the Heart Rhythm Case Reports Journal, section editor for Current Cardiology Risk Reports, Heart Rhythm Journal, and guest editor for the American Heart Journal. He is on the editorial boards of Heart Rhythm Journal, Journal of Cardiovascular Electrophysiology, Europace, American Heart Journal, JACC electrophysiology, and others. With an interest in heart rhythm treatments and outcomes, he has published over 300 manuscripts, 1 book that was listed #1 in heart disease and medicine on Amazon, 13 book chapters, and over 50 editorial comments.

He specializes in the diagnosis and management of heart rhythm disorders. Dr. Bunch performs a broad range of procedures including endocardial and epicardial catheter ablation, insertion of implantable loop recorders, pacemakers (leadless and traditional), implantable cardioverter defibrillators (ICDs – subcutaneous and traditional), and biventricular ICDs and pacemakers. He has extensive ablation experience in treatment of abnormal heart rhythms including supraventricular tachycardia, atrial fibrillation, WPW (Wolff-Parkinson-White syndrome), ventricular tachycardia, ventricular fibrillation, and premature ventricular contractions.

Jacqueline Green, MD

Dr. Green is an interventional cardiologist practicing in Huntsville, Alabama. She is an avid cyclist and lifelong athlete. When she’s not treating complex coronary artery disease in the cardiac catheterization lab, one of her top professional interests is exercise physiology and sports cardiology, particularly as it applies to the masters athlete with cardiovascular disease. In her free time she enjoys exploring the outdoors with her family.

David T. Martin, Ph.D.

Professor of Sport Technology and Performance
The University of Queensland and Queensland Academy of Sport

With over 35 years of experience working in Olympic and professional sport, Professor David T. Martin is recognised as an experienced and enthusiastic leader and innovator in sport science. He worked at the US Olympic Training Center in Colorado as a Research Assistant and then completed his doctoral studies in Physiology at the University of Wyoming. Professor Martin has authored more than 125 peer-reviewed publications and multiple book chapter on topics including sport technology, talent identification, competition demands, fatigue management, training methodology, aerodynamics, altitude training, and thermoregulation.

Known for his ability to recruit emerging sport science talent, create effective multi-disciplinary support teams, Professor Martin has worked closely with numerous elite coaches and athletes across a range of both summer and winter Olympic sports. During his tenure with Cycling Australia, he worked with Olympic medalists, World Champions, World Record holders, and Australia’s only Tour de France winner. From 2015 to 2019, he served as Director of Performance Research and Development for the NBA’s Philadelphia 76ers, where he worked with a contemporary high-performance support team that integrated advanced sports technology and provided multi-disciplinary support for an injured player who eventually became an NBA MVP. Most recently, he served as Chief Scientist and Director of Performance at Apeiron Life, a performance health science company based in Silicon Valley.

As of August 2025, he holds a joint appointment as Professor of Sport Technology and Performance at The University of Queensland and Head of Research and Innovation at the Queensland Academy of Sport, where he leads innovative initiatives at the intersection of sport technology and elite athletic performance.

Scott Epsley

Scott is an Australian trained Sports Physical Therapist who has over 25 years of elite sports medicine experience. He has worked with athletes at a national, international, collegiate and professional level in both Australia and the USA, across a wide range of sports. Currently he is a private consultant in the Sports Medicine and Rehabilitation space, having consulted for athletes and teams in the NBA, NFL, NHL, MLB, and professional and international football (soccer) to name a few.

Most recently Scott was the Medical Director for the Philadelphia 76ers, moving into that role after having served as Director of Physiotherapy and Clinical Diagnostics. Prior to that he served as Physical Therapist for Georgetown University’s Division 1 NCAA program. He is certified in musculoskeletal sonography, having used ultrasound in clinical practice for almost 20 years. Scott has also presented on many topics both across the US and internationally, including medial tibial stress syndrome and bone stress injuries, tendinopathy, hip and groin pain, shoulder rehabilitation, and diagnostic and rehabilitative ultrasound. He has over 10 peer reviewed publications in the areas of bone, tendinopathy, diagnostic imaging, injury mechanism, and injury epidemiology.

Joseph Secoges

Joseph Secoges has over 30 years of experience in the cardiovascular field, beginning his career as a cardiac sonographer. He holds a degree in Cardiovascular Technology from Gwynedd Mercy College and studied engineering at Penn State University.

Currently serving as Interventional Territory Manager for GE HealthCare, Joseph drives advancements in interventional imaging and cardiovascular solutions. He is a dedicated Board Member at Simon’s Heart, a nonprofit focused on heart health and screening to save young lives.

A serial entrepreneur, Joseph founded Cardiology Information Systems and Cardiovascular Imaging Partners, building innovative diagnostic solutions and services in the cardiology space.

Passionate about sports and human performance, he is a former collegiate ice hockey and basketball player. Today, he competes as a cyclist with CS Velo Racing and founded the Conshy Classic Criterium—a thrilling criterium race benefiting Simon’s Heart and Johnnie's Place.
Blending deep expertise in heart health with an active, competitive spirit, Joseph is committed to optimizing performance and protecting lives—on and off the field.

Adam Massey

Adam Massey is a 24-year enterprise software veteran, with a career that spans large companies such as Oracle, Interwoven, and Google as well as several high-growth startups and co-founding an AI services company. Currently, Adam is the Chief Sales Officer at Posit PBC, a leading data science software company. Previously, Adam spent 12 years at Google Cloud where he originally joined to help launch the Google Workspace enterprise business in 2007 and played a pivotal role in growing it to a market-leading, multi-billion dollar business. Along the way, he played key leadership roles in both Sales and Alliances and built the Google Cloud channel and partner business from the ground up.

Outside of work Adam is a devoted husband and father of 3 kids, and an avid mountain biker and gravel cycling enthusiast. In 2017 at the age of 40, he suffered a heart attack while Mountain Biking. After recovering, Adam became passionate about overall health, nutrition and wellness, especially in relation to cycling sports and cardiac health.

Martin Meade

Martin J. Meade is a seasoned sales and management executive in the consumer goods industry with extensive experience leading high-performing teams at brands like Bearpaw Footwear, Hi-Tec & Magnum, Dr. Martens, Nike and currently DeWalt Footwear.

Based in Portland, OR, he combines an entrepreneurial mindset with a passion for delivering excellence in sales, marketing, and brand management.

Martin is passionate about endurance sports competing in several Ironman’s and numerous Cycling tours and marathons.

Martin has a family history of heart disease and is motivated to seek preventive care to and anything to assist in his drive to continue his passions.

Matt Freeman

Matthew Freeman is a life-long endurance athlete and USA Cycling Certified Coach. Before becoming an endurance sports coach with CTS, he was as an UCI Elite level bike racer primarily focused on XC mountain biking, however he never shied away from a good cyclocross or road race. In recent years Freeman has focused his attention on gravel bike racing while balancing a full-time coaching load of elite and amateur cyclists of all ages.

Prior to his time as a bike racer, Freeman spent his teens and twenties as an A-level off-road motorcycle racer, working for companies such as Dirt Rider and Cycle News magazines, as well as for factory Suzuki, Kawasaki, and Honda. During that time, he learned the business of factory racing, training, and the attention to detail required for maintaining a successful race and training program.

In 2022, Freeman was diagnosed with Cardiac Sarcoidosis and has since dedicated his time to understanding the disease and how he can positively impact and educate other pacemaker/ICD athletes trying to achieve quality of life and athletic goals.