Donald N. Geivet, Vice President of Ranch Operations, began his career at Tejon Ranch in 1972 as the assistant manager of the Livestock Division, and in 1982 was promoted to Manager of the Game Management/ Special Services Division. 

As Wildlife Manager, Geivet has conceived, developed, and implemented plans for species introductions, various hunting programs, and marketing the hunting activities on the ranch. Additionally, he has worked closely with the California Department of Fish and Game to develop a highly successful Private Lands Management Program.

Geivet received a Bachelor of Science degree from Cal Poly San Luis Obispo. Over the past ten years he has been elected and served on the California and National Board of Directors for the National Wild Turkey Federation, and is a current member of several wildlife conservation organizations including the National Wild Turkey Federation, Rocky Mountain Elk Foundation, Mule Deer Foundation, and Safari Club International. In 1998 he was presented the Al Taucher Hunting Heritage Award in recognition of outstanding contributions to the promotion of California's rich hunting heritage.