Background
Sieck, Greg R. was born on June 12, 1956 in Los Angeles, California, United States. Son of David Wieboldt and Ruth Helen (Rodgers) Sieck.
Sieck, Greg R. was born on June 12, 1956 in Los Angeles, California, United States. Son of David Wieboldt and Ruth Helen (Rodgers) Sieck.
Bachelor, University of Southern California, 1978.
Vice president, J. Walter Thompson, New York City, 1982-1989; vice president, J. Walter Thompson, San Francisco, 1989-1991; senior vice president group management director, Foote, Cone & Belding Advertising, Los Angeles, since 1991.
Married Barbara Marcellyn Flanders, October 29, 1989.