John was born in Philadelphia and has been married to Susan for 40+ years. He has 3 children and 9 grandchildren. He
retired from Verizon after 38 years as a cable splicer in 2008. He enjoys watching the Phillies and the
Flyers, Masterpiece Theatre, and the Food Network channel. His all-time favorite movie is Ben-Hur.
He works part-time for a remodeling contractor in the Montco area. He and Sue have been attending
Cornerstone since February, 2013
Mark grew up in Upper Bucks and Montgomery Counties. After graduating from college, getting married to Jean, and attending further college courses Mark spent four years in the US Navy including a year-long tour in Vietnam. Since 1973 they have been members of OPC congregations in eastern Pennsylvania including the Gwynedd Valley Church-the predecessor of Cornerstone. Mark was a deacon for about 15 years in one of the congregations. Mark was employed for almost forty years as an aerospace corrosion chemist retiring about four years ago. Jean and Mark have one child and two grandchildren.
Tim Roof has been tuning and repairing pianos for private residences and in concert settings since 1983. In 1999 he began his own piano service business. With a degree in Journalism, and as a book lover, he serves as Cornerstone's librarian, and as an usher. Tim is married to Donna and they have three sons. The Roofs are one of the original charter member families of Gwynedd Valley Presbyterian Church (now Cornerstone), having attended the church since 1994.