Jack is Chair of the Volunteer Farm Projects Committee. He is a test engineer and a hobbyist farmer, growing and regularly grafting a variety of fruit and nut trees and berries at his home orchard. He is an active member of the California Rare Fruit Growers Santa Clara Valley Chapter, having served as Chairperson, Programs Committee Co-chair, and Nominating Committee Chair. He previously served on the Environmental Quality Commission for the City of Torrance. He enjoys hiking at Rancho San Antonio and visiting the sheep at Deer Hollow Farm where his wife Susan has been a farm volunteer for several years