Wyoming Stock Growers Association Leadership

David Kane


Jack Berger

First Vice President

Kahla Mills

Region I Vice President

Sheridan, Crook, Campbell & Weston Counties

Pat Cullen

Region II Vice President 

Albany, Platte, Goshen & Laramie Counties

Leif Hanson

Region III Vice President 

Natrona, Johnson, Converse, & Nibrara Counties

Vance Broadbent

Region IV Vice President

Teton, Sublette, Lincoln, Uinta, Sweetwater & Carbon Counties

Darla Griffin

Region V Vice President

Park, Big Horn, Washakie, Hot Springs, & Fremont Counties

Ty Espy

Young Producers Assembly President

Wyoming Stock Growers Association Staff

Jim Magagna
Executive Vice President

Jim is a native of Rock Springs and a lifelong sheep rancher in southwestern Wyoming. He has served as President of the American Sheep Industry Association and President of the National Public Lands Council. He has represented agriculture on numerous national, state and local councils and advisory boards. Prior to assuming the position of Executive Vice President of WSGA, he served as Director of the Wyoming Office of State Lands and Investments. Jim took over the reins at WSGA in December of 1998.

Call on Jim for issue-related questions, comments and updates related to state or national agriculture issues, and information/input on the Association's policies and directives.

Olivia Sanchez

Marketing & Communications Director

Olivia grew up on a small farm in Burns, Wyoming, where her family raised and showed livestock. She was very active in both the local 4-H and FFA programs. She is a proud graduate of Eastern Wyoming College and the University of Wyoming. Olivia is also a graduate of the Greater Cheyenne Chamber of Commerce Leadership Cheyenne Program and the Wyoming L.E.A.D. Program. She was named a nominee as a Wyoming Woman of Influence in 2019 and an honoree for Wyoming's "30 Under 40" in 2022. Olivia joined WSGA in May of 2018. 

Call on Olivia for Association information, media, events, publications, and membership opportunities. 

Susan Skinner 

Office Manager

Originally from Iowa, Susan relocated to Cheyenne in 2018 from Los Angeles, where she worked as a parish administrator and the administrative coordinator for the Westside Shelter & Hunger Coalition. She holds a Bachelor of Arts from California State University Northridge in Cinema and Television Arts, and an Associate of Arts degree in film from Santa Monica College. Susan is a proud veteran of the United States Air Force as she served with the American Forces Radio & Television Services. Susan has been with WSGA since August 2018.

Call on Susan for accounts payable and receivable, membership dues, Cattlemen's Club, and event registrations.

Mary Siemons

Communications Intern

Mary Siemons is from Clark, Wyoming, and is a junior at the University of Wyoming. She is majoring in Agricultural Communications with a minor in Equine Science and hopes to work in marketing after she graduates. Mary looks forward to connecting with Wyoming’s agricultural community and gaining experience in the communications field. Outside of work, she enjoys trap shooting, off-roading, and golf.

Mary will spend 12-weeks this  summer assisting the office with convention and the Environmental Stewardship Tour. She will also be traveling throughout the state to write articles for CowCountry Magazine and visiting WSGA members' businesses and ranches.