John was the only son of Christian and Mary Stewart. Jack graduated from St. Ignatius High School then went on to graduate Santa Clara University in 1950 with a Bachelors in Engineering. Jack served in the U.S. Army during the Korean War and was stationed in Germany from 1951 - 1953. Jack was married to Joan Finnimore in 1954. He is preceded in death by Joan and survived by their 6 children, Kenneth (Alison), Thomas, James, Lauren, Keith and Mary, 10 Grandchildren and 4 Great-Grandchildren. Jacks Career was in Construction and Development. In 1956 he became President/C.E.O. of Carl Holvick Co. and Holvick, deRegt and Koering until 1985. Jack was very active at St. Raymond's Church in Menlo Park with the Jesuits at Bellermine High School and SCU for over 50 years. Other activities included volunteer work with Palo Alto Medical Foundation and The Food Bank in San Jose. He was a huge supporter of local sports teams San Francisco Giants and San Francisco 49ers. Jack remarried and had a child, Stewart, and a Step-Child, Jordan.
