Howard Leonhardt is an inventor and serial entrepreneur with over 42 issued U.S. patents and 20+ pending, covering 500+ claims in cardiovascular devices, regenerative medicine, and longevity technologies. He pioneered innovations in stent grafts, heart valves, stem cell therapies, and bioelectric regeneration. As the founder of Second Heart Assist and Lionheart Health, his inventions have treated over 600,000 patients and generate nearly $2 billion annually. He continues to lead breakthroughs in whole-body regeneration, medical aesthetics, and age reversal, with active development of 124 wellness clinics worldwide – pushing the frontier of personalized, tech-driven healthcare innovation.