Graduated from the high school, Pine Plains, New York.
Real estate salesman, Dick Brescia Real Estate, Wappingers Falls, New York, 1972-1974; special agent, Prudential Insurance Company, Pougkeepsie, New York, 1974-1977; senior vice president marketing, American Energy Conservation Corporation, Rhinebeck, New York, 1977-1979; owner, Dutchess Contracting Corporation, Millbrook, New York, 1979-1987; owner, Zeyher realty corporation, Stanforville, New York, since 1983; partner, Patterson Realty Association and Sammark realty corporation, Yorktown Heights, New York, 1983-1989; president, partner, Frost Mills realty corporation, Pougkkeepsie, New York, since 1985; owner, Mark L. Zeyher Insurance, since 1989; vice president, Ralph V. Ellis Insurance Inc., since 1990. Vice president Multiple Listing Svc. of Dutchess County, 1990-1992.
Member United States Senatorial Club, Washington, since 1984, Republican Presidential Task Force, Washington, since 1984, Republican National Committee, Washington, since 1985, Stanford Republican Committee, since 1991. Board directors Mid Hudson Alcohol Recovery Center. Member National Rifle Association, Candlewood East Sailing Club (Brookfield, Connecticut), Stanford Lions Club, Sandenonia Orvis Sporting Clays.
Married Kathryn Teresa Staats, July 30.