On January 15, 2021, the Board of directors of Tenax Therapeutics, Inc. appointed Dr. Stuart Rich as the Company’s Chief Medical Officer. Dr. Rich, age 71, joined the Company from PHPM, where he was a co-founder and held the positions of Chief Executive Officer and Director from October 2018 until January 2021. P Dr. Rich currently serves as Professor of Medicine at Northwestern University Feinberg School of Medicine and as Director of the Pulmonary Vascular Disease Program at the Bluhm Cardiovascular Institute.