 He served on the board for the Lausanne Committee for World Evangelization, Leighton Ford Ministries, Youth Focus, Prison Fellowship, and the Overseas Council for Theological Education and Missions.Rosser was also on the board of trustees of Hampton University and the United Way of the Virginia Peninsula.In 1986, Rosser was named "Unsung Virginian" in recognition of his business, civic, and religious accomplishments, and in 2000, he received the Time Magazine Quality Dealer Award.