He was chairman of the Baltimore County Planning Commission in the 1960s during the administration of County Executive Spiro T. Agnew, who was later vice president under Richard M. Nixon.
Mr. Tate was a past board member and chairman of the Baltimore Federal Reserve Bank. He was also active with and led the Young Presidents Organization and later was president of the Chief Executives Organization.
He was a past troop committee chairman of the Church of the Redeemer's Boy Scout Troop 35. He belonged to the Center Club, Maryland Club, Baltimore Country Club, L'Hirondelle Club, the Engineering Society, the Severn Sailing Association and the Annapolis Yacht Club.
He was active in Tufts University alumni activities and was a past president of the First Unitarian Church trustees board.
Mr. Tate had a summer home at Bembe Beach near Annapolis. He played tennis and golf and sailed.
After moving to Sarasota in 1991, he became involved in philanthropies, including the Ringling Museum of Art and Van Wezel Performing Arts Hall.
Plans for a memorial gathering are incomplete.
In addition to his wife of 67 years and his son, survivors include two daughters, Patricia Baker of Jackson Hole, WY and Robin Tate of Riderwood; four grandchildren; and a great-granddaughter.