John F. Meck, 65, former vice president and chairman of the investment committee at Dartmouth College, died Thursday after a heart attack while skiing in Aspen, Colo. He lived in Hanover, N.H.

He had joined Dartmouth as treasurer in 1949, after working as a lawyer and serving with the federal government in Washington.

During 1941-43, Mr. Meck was a lawyer with Covington, Burling, Rublee, Acheson and Shorb. He then joined the Navy, serving in the counsel's office, and later was chief counsel for the Bureau of Naval Personnel.

During 1946-48, he was with the Washington law firm of Douglas and Proctor. He then served for a year as executive secretary and staff director of the foreign affairs committee of the Hoover Commission on the Reorganization of the Executive Branch of the federal government.

During his 28 years as an administrator at Darthmouth, Mr. Meck had the major responsibility for all nonacademic aspects of the college.

Born in Altoona, Pa., he was a graduate of Dartmouth and earned a law degree from Yale University, where he became an associate professor of law and then assistant dean of the law school.

Mr. Meck was a founder of Listening Post, an organization of chief business officers of colleges. He was organizer and first president of Common Fund, an investment program sponsored by the Ford Foundation for educational institutions.He belonged to numerous business and legal organizations.

He is survived by his wife, Jean Anderegg Meck, of the home, and three children, Salley Pinkham, of Wilton, Conn., John F. III, of Denver, Colo., and Julie Hamin, of Swampscott, Mass.