Background
Shellhorn, Mark Alan was born on July 18, 1957 in Columbus, Ohio, United States. Son of Courtland and Foye (Ellington) Shellhorn.
Shellhorn, Mark Alan was born on July 18, 1957 in Columbus, Ohio, United States. Son of Courtland and Foye (Ellington) Shellhorn.
Bachelor of Science in Geology, Ohio State University, 1980; Master of Science in Geology, New Mexico Institute Mining and Technology, 1982.
Research geochemist, Benjamin Franklin Goodrich Company, Brecksville, Ohio., 1982-1985; project geochemist, Dames & Moore, Phoenix, 1985-1987; senior geochemist, Harding Lawson Associations, Phoenix, 1987-1989; principal, Basin & Range Hydrogeologists, Inc., Phoenix, since 1989.
Underwriter Boys and Girls Club, Phoenix, 1990-1996. Member Arizona State Bar, Geological Society American, American Association Ground Water Scientists and Engineers, American Institute Professional Geologists (certified).
Married Shelly Marie Walczak. Children, Weston, Stephen.