RegenMed Systems

RegenMed is poised to advance marrow derived therapies in the large markets of cardiovascular disease, orthopedics, and beyond, facilitating the growing wave of Regenerative Medicine. MarrowMiner is a proud development of Stanford Biodesign.




Michael McCullough, MD
Founder, Co-Chair, President

Dr. McCullough is the Founder and Co-Chair of RegenMed Systems.  He has had a distinguished career as an serial entrepreneur, investor, and health care professional.  Dr. McCullough was an angel investor in HeartFlow and former Partner at Headwaters Capital Partners.  Dr. McCullough was the Founder of QuestBridge, BeAGoodDoctor.Org, S.C.O.P.E., and Co-Founder of of KaeMe and the Global Leadership Incubator.  Dr. McCullough is a Kauffman Fellow and Ashoka Fellow .  He serves on the boards and advisory boards of Apnicure, HeartFlow, QuestBridge, The Dalai Lama Foundation, and Noodle.Org.

Dr. McCullough Received his B.A. from Stanford University and M.D. from UCSF, and an M.Sc. from Oxford University as a Rhodes Scholar.  Dr. McCullough is board certified in Emergency Medicine (Stanford Hospital) and is an Assistant Clinical Professor of Emergency Medicine at UCSF.


Michael Crocker

Co-Founder, Vice President of Engineering

Mike Crocker is a medical device engineer with over 20 years of experience in development of a broad array of medical devices with a focus on catheter design and cardiovascular applications.  He has been responsible for engineering work which has brought several medical technologies from concept through design, development and regulatory approvals and into the market. He is an inventor on over 15 issued patents.  Since 2007, he has lead engineering efforts on developing the novel bone marrow harvesting system.  Mr. Crocker leads the development of the Gen 2 Marrow Harvest System.

John Stevens, MD
Co-Founder, Chairman

Dr. Stevens is the Co-founder and Chair of RegenMed Systems. He has had a distinguished career as an entrepreneur and health care professional. He is the founding investor and CEO of Heartflow Inc.  He was the Co-Founder and CTO of Heartport, the Co-Founder and Executive Chairman of Amp Resources, Co-Founder and Chairman and CEO of Sundrop Fuels. He has had extensive experience founding, investing and leading technology focused companies.

He received his B.S. from the University of Utah and M.D. from the Stanford University School of Medicine. He was an Assistant Professor of Cardiovascular Surgery at Stanford University.



Daniel Kraft, MD
Founder, Chief Medical Officer

Dr. Kraft is the Founder and CMO of RegenMed Systems.  Dr. Kraft is a Stanford and Harvard trained physician-scientist, inventor, entrepreneur, and innovator with over 20 years of experience in clinical practice, biomedical research and healthcare innovation.  He invented the Bone Marrow Harvest System as a Bone Marrow Transplant Fellow at Stanford, while participating in the Stanford BioDesign Program.  He has multiple medical device, immunology and stem cell related patents through faculty positions with Stanford University School of Medicine and as former clinical faculty for the pediatric bone marrow transplantation service at University of California, San Francisco.

Dr. Kraft Received his B.S. from Brown University and M.D. from the Stanford School of Medicine.  He is board certified in Internal Medicine and Pediatrics (Massachusetts General Hospital, Boston Children’s Hospital) and completed fellowships in fellowships in hematology, oncology and bone marrow transplantation at Stanford.