Board of Directors

Mantha Phillips


Hometown: Casper, WY
Occupation: Principal in Merris Group, LLC Real Estate Investments
Leadership Roles: Chairman Ranchland Succession Program-Stock Growers Land Trust, Commissioner on WY Pari-Mutuel Commission, WY Stock Growers Board of Directors Natrona County, past Chairman of WY Stock Growers Wildlife Committee, past President of WY Ag in the Classroom, past State Director for Congresswoman Barbara Cubin.

Tracy Swanson


Hometown: Sheridan, WY
Occupation: Senior Vice President, Financial Consultant & Branch Manager of Davidson Companies in Sheridan, Wyo.
Leadership Roles: Sheridan WYO Rodeo, Lion’s Club, Rotary, Big Horn Event Center, Episcopal Diocese of Wyoming Foundation.

Ryan Ford


Hometown: Cheyenne, WY
Occupation: Civil Litigation & Transactional Attorney, Casper
Leadership Roles: Board of Directors for United Way of Natrona County; Member of the Casper Rotary Club; 4-H & FFA Volunteer; Former Vice President of the Wyoming Young Lawyers Section.

Jim Magagna

Secretary (member ex-officio)

Hometown: Cheyenne, WY and Rock Springs, WY
Occupation: Rancher, Sweetwater/Sublette Counties and Executive Vice President of the Wyoming Stock Growers Association
Leadership Roles: Past President of the American Sheep Industry Association, former President of the National Public Lands Council, former Director of the Wyoming Office of State Lands and Investments, former Board member of Wyoming Community Foundation, Past President Board of Wyoming 211, Board member of the Haub School of Environment and Natural Resources at the University of Wyoming.

Jody Bagley

Hometown: Auburn, WY
Occupation: Rancher, Lincoln County
Leadership Roles: Lincoln County Predator Board, past Wyoming Stock Growers Assn.– Region IV Vice President.

Jack Berger

Hometown: Saratoga, WY
Occupation: Rancher; District supervisor for the Saratoga-Encampment-Rawlins Conservation District
Leadership Roles: Currently serving 3rd term on Saratoga-Encampment-Rawlins Conservation District board of supervisors, member of South Central Sage Grouse local Workgroup, Vice President of Wyoming Association of Conservation Districts (2010-2014), Region IV Vice President of Wyoming Stock Growers Association (2011-2013); Past Carbon County Stockgrowers president, past chair of the Wyoming Stock Growers Marketing Committee.

Rob Hendry

Hometown: Lysite, WY
Occupation: Rancher – Clear Creek Cattle Co., Natrona County and founder of Clear Creek Construction, LLC.
Leadership Roles: Natrona County Commissioner, Casper First Interstate Bank Board of Directors, the Governor’s Brucellosis Task Force, past President of the Wyoming Stock Growers Assn., former Vice Chairman of the policy division of the National Cattlemen’s Beef Assn., and past director of the Natrona County Fire Protection District.

Heath Hunter

Heath Hunter

Hometown: Wheatland, WY
Occupation: CFO, Warbonnet Construction, Inc.
Leadership Roles: Member of the University of Wyoming College of Business Advisory Board, Chairman of the Career Services Committee.


Madeleine Murdock

Hometown: Born and raised in Scotland. Traveled half-way around the world to settle in Pinedale, WY
Occupation: Co-owner with son, Scott of Murdock Cattle Co., a fourth generation family cattle ranch
Leadership Roles: Member of St. Andrew’s in the Pines Episcopal Church, Executive Board Member: Upper Green River Valley Cattle Association, Board Member of Community Theater- Set Design, Board Member of New Fork Lake Irrigation District.

Scott Sims

Hometown: McFadden, WY
Occupation: Rancher
Leadership Roles: Region II Vice President, Wyoming Stock Growers Association (2013-2016), University of Wyoming Beef Unit Advisory Team, Rock Creek Weed CRM- Chairman, Rock Creek Water Users Association- Treasurer, Past Chair of Livestock Health & Production Committee for Wyoming Stock Growers Association, Past President and Treasurer of the Albany County Stock Growers Association, Served nine years of the Farm Service Agency County Committee.

Nels Smith

Hometown: Sundance, WY
Occupation: Retired rancher and owner of Sundance Realty
Leadership Roles: Currently serves as Chairman of the Crook County Land Use Planning Commission and is a member of the Black Hills National Forest Advisory Board. Past president of the Wyoming Stock Growers Association, Former Speaker of the Wyoming House of Representatives, past chairman of the Wyoming Legislative Management Council and past president of the Wyoming Section of the Realtors Land Institute.

Dennis Sun

Hometown: Casper, WY
Occupation: Fourth-generation rancher and publisher of the Wyoming Livestock Roundup
Leadership Roles: Active in the CRM process to assist in management of private, state and public lands on the ranch along with the management of wildlife and livestock. He also has served on numerous boards and committees around the state involving livestock, wildlife, public lands, conservation, education, health care and agriculture.

Kevin Voyles

Hometown: Thayne, WY
Occupation: Attorney; Managing Member, LUTHI & VOYLES, LLC
Leadership Roles: Town Attorney, Town of Thayne, Wyoming, St. John’s Episcopal Church Outreach Committee; Volunteer Counsel, Star Valley Arts Council; Volunteer Counsel, Thayne Volunteer Fire Department; former Co-Legal Counsel, Wyoming Republican Party; former Lincoln County State Committeeman, Wyoming Republican Party; former Board Member, Turning Point (Lincoln County’s domestic violence task force).

Annaliese Wiederspahn

Hometown: Cheyenne, WY
Occupation: Communications consultant; co-owner of Strawberry Creek Farm
Leadership Roles: Member of Trinity Lutheran Church; member of the Cheyenne Downtown Development Authority Economic Development committee; Graduate of Haverford College and Columbia Journalism School.