Von-Jac Developments, Inc. was founded by Gordon W. Hanson and C. A. Trifeletti on November 13, 1974. Prior to forming Von-Jac Developments, Inc., Gordon and Triffwere owners and officers of Challenge Developments, Inc. in Redwood City, California.
Challenge Developments, Inc. was founded in 1947 by Andres F. Oddstad. With his untimely death in 1964, Mr. Trifeletti, Mr. Hanson and Mr. O'Malley, all of whom were former executive officers of the firm, acquired the company from the estate of Mr.. Oddstad. Challenge Developments continued its active building program, and the principals were actively involved until their interests were purchased by a subsidiary of the Aluminum Company of America in December, 1970.
Gordon and Triff completed 150 subdivisions, containing more than 22,000 lots, 20-000 single- family residences, 145 apartment buildings containing more than 5,000 units, 3 shopping centers, and 19 industrial buildings in two industrial parks.
Mr. Hanson is a Life Trustee of the California Building Industry Foundation. Gordon served as Chairman of the Building Codes Committee and the State Energy Commission Committee as well as other committees, and is a Life Director of the California Building Industry Association. He also served four years as a member of the California Building Standards Commission. In 1988-1989, Gordon served as the California Building Industry Foundation Hall of Fame Committee Chairman, and was the Past Chairman of the Pacific Coast Builders Conference (PCBC) in 1974. Gordon received the Pacific Coast Builders Conference Rodney Radom Award in 1979. On the national level, Mr. Hanson served as a Director since 1965 and became Life Director in 1976 of the National Association of Home Builders.
Von-Jac is a combination of Gordon and Triffs wives' names --Yvonne Hanson and Jackie Trifeletti. The Hanson's have two daughters, Jan Chavez of Ukiah, California and Cheryl Gibson of Granite Bay, California.
Gordon has retired from day-to-day activities of the business, and Cheryl is now President of Von-Jac Developments, Inc., and is continuing the operations of the firm.