MORRISVILLE, N.C.--(BUSINESS WIRE)--Trimeris, Inc. (Nasdaq: TRMS) today announced that Arthur B. Cohen and Joseph P. Healey, each a founder of, and Portfolio Manager at HealthCor Management, L.P., have been appointed to the Board of Directors of the Company. HealthCor is Trimeris’ largest shareholder. Mr. Cohen and Mr. Healey each have extensive investment experience in the biotechnology industry.