“Alone we can do so little; together we can do so much.”

Founder, Executive Chairman, Acting CEO

Tom has 35 years of senior management experience, primarily in the medical device industry, both early-stage and public companies. A well-known entrepreneur and venture capitalist, he holds nearly two dozen patents and has founded over a dozen companies that have together created more than $2 billion in shareholder value. He is the Founder, Chairman and CEO of Ponce de Leon Health, and was co-founder and Chairman of Accuitive Medical Ventures, a top-quartile venture fund which raised $230M across two funds.

Chief Scientific Advisor · Board Member

Brian holds an international reputation for his work in the basic biology of aging. He became the Buck Institute's second CEO in 2010 from the University of Washington, where he served in the Department of Biochemistry. He is now Professor and Director of the Centre for Healthy Ageing at the National University of Singapore.

Chief Medical Officer

A Pennsylvania native, Dr. Palmer has called Southern California home for over thirty years. An honors graduate of San Diego State University, he received his MD from UC Irvine. After his residency at USC-LA County Medical Center, he completed a fellowship with the American Academy of Facial Plastic and Reconstructive Surgery and is board certified in that specialty. He completed a fellowship with the American Academy of Cosmetic Surgery and is board-eligible in that specialty.

General Counsel · Authorized House Counsel

John started his industrial career as a Components Engineer for a major biomedical imaging company after graduating from Purdue University with an Electrical Engineering degree. He later earned an MBA from Case Western Reserve University in Cleveland, Ohio during his engineering employment.

Director of Customer Service and Insights

After graduating with a B.S. in Marketing from the University of Denver, David worked in hospitality for nearly 10 years — directing operations and managing product programs as Assistant General Manager and General Manager of three restaurants. He first entered the healthcare sector at The Innovation Factory on product development and sales strategies for potential venture-backed startups. At PDLH he now focuses on marketing implementation and customer service.

Office Manager

Born in England and raised in Venezuela, Janina studied in Venezuela, Switzerland and New York, and speaks English, Spanish and French fluently. She joined Hamilton Beattie & Staff as Office Manager, transitioned to Coordinator of International Studies and Senior Staff Assistant, then to Zassi Medical Evolutions as Office Manager for six years. She joined Accuitive Medical Ventures as Executive Assistant to Tom Weldon, and became the Office Manager when he started Ponce de Leon Health.