Lynmar Brock, Jr. was born in 1934 in the Philadelphia suburb of Bryn Mawr, Pennsylvania. He went to Dartmouth College undergraduate majoring in English, taking his senior year as his first year of graduate studies receiving his AB degree in 1955, and his MBA in 1956 from the Tuck School at Dartmouth.
He joined the U.S. Navy, commissioned an Ensign in 1956 serving on a destroyer in the U.S. Atlantic Fleet before being transferred to the Pentagon to serve in the Office of the Chief of Naval Operations.
He joined Brock and Company, Inc. and in 1962 was elected president/CEO serving until succeeded by his son in 2007. Married to Claudie Juliard they have two sons.
Lynmar Brock has been active in many organizations as Chair, President, trustee, and Director including serving on the Board of Directors of Rotary International, a worldwide service organization with 1,200,000 members in 33,000 clubs in 174 countries and geographic areas. He has given polio vaccine to young persons in India and Madagascar and was chair of the Rotary International Committee taking care of 50,000 Afghan refugees taking refuge in Pakistan from the fighting in Afghanistan as a consequence of 9/11. He traveled several times up the Khyber Pass and along the Afghan border in Baluchistan west of Quetta.