Bachelor, Pacific Union College, 1969; Master of Arts, Pacific Union College, 1971; Doctor of Philosophy, Colorado State University, 1982.
Teacher science Modesto Adventist Academy, California, 1978—1982. Associate professor biology Pacific Union College, Angwin, 1982—1989, professor, 1989—2004. Professor biology Southern Adventist University, Collegedale, Tennessee, since 2004.
Member American Society Mammalogists, California Academy Science, North America Fruit Explorers, San Francisco Zoological Society, Angwin Chamber of Commerce.
Married Gail LuAnn Selby, June 22, 1969. Children: Thorvald, Laura.