David Greene

David Greene, MD, PhD, MBA, is a highly experienced healthcare executive currently serving as the Chief Executive Officer of Regen Suppliers and R3 Medical Training, where R3 Medical Training specializes in CME accredited education for healthcare providers in various advanced medical procedures. With a long tenure as CEO of R3 Stem Cell since 2013, David has been instrumental in providing regenerative medicine treatments that empower patients to avoid surgery and heal from tissue injuries. David also led the US Lead Network, focusing on healthcare internet marketing, and previously held leadership positions at Crazy SEO and Preferred Pain Center. An accomplished orthopedic surgeon and consultant, David's educational background includes advanced degrees from Brown University, the University of Virginia, Arizona State University, and specialized training in stem cell biology.