1950 – Amyas was elected to the Board of Directors of the Long Island Biological Association (now the CSHL Association), the supporting body of the Biological Laboratory. 

1952-1958 – He became the president of the Board of Directors of the Long Island Biological Association. 

1970-1983 – Chairman of the Board of New York Philharmonic. 

        – Chairman of the Board of Lincoln Center.
 

2000 – Died peacefully at home in Lexington, Massachusetts on January 24th.