Bachelor of Science, Oregon State University, 1955.
Project engineer Worthington and Associates, Corvallis, Oregon, 1962-1966. Assistant city engineer City of Corvallis, 1966-1968. City engineer City of Forest Grove, Oregon, 1968-1970.
Director public works City of Lake Oswego, 1970-1976. President DeHaas and Associates, Incorporated, Wilsonville, since 1976.
Served to 1st lieutenant United States Army, 1956-1958. Member American Public Works Association (president Oregon chapter 1976), National Society Professional Engineers, American Consultant Engineers Council. Lodges: Rotary.
(Adopted) son of Charles and Lola (Brothers) De Haas. Married Marie B. Wagner, September 29, 1961. Children: Linda, Sharon, Julie, Brian. Marlin's bio parents were Jack Gorham and Allie Gilkison Gorham. Allie died shortly after the birth of (Jackie) Marlin and his twin sister (Allie)Marline. Lola, who was the adoptive mother was Jack's niece, daughter of Enolia Gorham Brothers.