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Brett Jefferson

Brett Jefferson

Chairman | Las Vegas, NV


Brett Jefferson grew up in Boulder City, Nev., where seeing bighorn sheep was a daily occurrence and marked the beginning of Brett’s passion for wild sheep. Brett attended Denver College, where he received an Associate of Science degree and later attended California State University-Fresno’s Surveying and Photogrammetry program. Brett is a licensed professional land surveyor in Nevada, California and Arizona and for the last seventeen years has been the executive vice president/chief operations officer for Tri State Surveying, Ltd., with offices in Reno/Sparks and Las Vegas.
When Brett relocated back to Southern Nevada in 2013, he became more involved with the Fraternity of the Desert Bighorn and was elected president in April 2015. Brett has served on the banquet committee and participated in water developments, trap and transplant projects and disease investigations in Southern Nevada. Since 1998, Brett has been a member of Nevada Bighorns Unlimited-Reno and served as a director and treasurer for his last three years on the board. Among his highly active service, he was chair of the Membership and External Relations Committees, volunteered at youth outreach events and edited the NBU Journal.
Brett has served as secretary to the WSF board of directors and chaired or vice-chaired several key committees, in addition to working on several initiatives vital to WSF’s growth and future. Brett is a Summit Life member and a member of the Chadwick Ram Society.

Peregrine L.  Wolff, DVM

Peregrine L. Wolff, DVM

Vice Chair | Moorpark, California


Peregrine’s is a veterinarian who has focused her career on the health and conservation of wildlife.  After graduating from Cornell College of Veterinary Medicine in 1984 she worked for city and state agencies, large corporations and owned her own practice.  She has spent the last 10 years as the veterinarian for the Nevada Department of Wildlife.  Peregrine has recently taken a new position as the Executive Manager of the Wildlife Disease Association, an international organization focused on wildlife health and conservation. Passionate about sharing her knowledge and advancing the field of conservation, wildlife medicine and welfare she has taught students and colleagues around the globe and volunteered her leadership skills and experience for numerous organizations and committees.  She is a past president of the American Associations of Wildlife Veterinarians and the American Association of Zoo Veterinarians.  She has served on the boards of the American Association of Small Ruminant Practitioners and the Wildlife Disease Association and chaired committees for the American Veterinary Medical Association and the US Animal Health Association. As Nevada’s wildlife veterinarian, Peregrine was involved in wild sheep disease research and conservation programs.  She worked with agency biologists, managers and veterinarians across western states and provinces to develop standardized handling and disease testing protocols and conduct hands-on trainings for capture, handling, translocation and disease investigation in wild sheep. During her tenure in WSF she has served on the Executive Committee as secretary as well as on the following committees: Budget and Finance, Bylaws, Chapter and Affiliates, Compensation, Legislative Affairs, 1 Campfire Initiative, Conservation Committee – Disease Initiative and the Women in Hunting. Initiative.  She has been active in both the North American and International Conservation Visions. In 2017 she was the recipient of the WSF State Statesmen Award.


Darryl  Williams

Darryl Williams

Treasurer | Lincoln, CA


Darryl grew up in Texas and started hunting with his father when he was 5 years old. After a 25-year career in the U.S. Navy serving in the Diving and Submarine communities, Darryl began working in the Defense Industry. He is currently an executive with Northrop Grumman in Southern California. Darryl holds undergraduate and graduate degrees in business from Pepperdine University and a certificate in Dispute Resolution from Pepperdine University School of Law – Straus Institute for Dispute Resolution.
Darryl first became interested in wild sheep in 2006 and made his first sheep hunt to Alaska in 2008. After seeing his first Dall’s Sheep, he knew he wanted to get involved in the conservation of this very special resource. Since 2008, Darryl has served on the boards of the Eastern Chapter WSF, California Chapter WSF, The Society for the Conservation of Bighorn Sheep, Co-Chaired the WSF Life Member Breakfast, and served on numerous WSF committees. Darryl is a Summit Life Member and he and is wife, Cassie Shafer, are Chadwick Ram Society Members.


Chris  Barker

Chris Barker

Secretary | Sannich, BC


Chris Barker was born in the United Kingdom in 1963. His family immigrated to Canada when he was eleven and moved to Prince George, British Columbia, which is where his interest in the outdoors began. He started hunting deer when he turned 20 and switched to bow hunting exclusively eight years later. Today, Chris lives in Victoria, B.C. with his wife and children and has worked in the construction industry for the past 30 years.
His involvement in conservation started with the Victoria Chapter of the Rocky Mountain Elk Foundation. After volunteering for several years, he became co-chair for two years. Meanwhile, Chris found his interest in wild sheep would lead him to attend a Wild Sheep Society of B.C. convention 15 years ago, and he has not missed one since. Two years later, he was elected treasurer, then president. As president, he found the biggest issue his organization faced was the contact between domestic and wild sheep in B.C. He continues to be involved with the wild sheep separation steering committee in his home province as well as on the special sheep permit committee and the Churn Creek Junction bighorn recovery project. A Life member of WSF, Chris has attended many WSF Chapter & Affiliate Summits and several WSF conventions.


Gray N. Thornton

Gray N. Thornton

President/CEO | Manhattan, MT

Gray N. Thornton serves as President and Chief Executive Officer of the Wild Sheep Foundation (WSF), the premier sheep and mountain game conservation organization in the world dedicated to “Putting and Keeping Wild Sheep on the Mountain®.”
Prior to joining the Wild Sheep Foundation in 2008, Thornton served as Executive Director of the Dallas Safari Club from 1997-2008 and Chapter & Membership Director for Safari Club International from 1990 – 1997 producing record results for membership growth, fundraising and mission funding for both organizations. Thornton followed his passion to the conservation/hunting industry after a successful sales career with Unisys and Xerox corporations.
As a public speaker he has been invited to present keynote addresses on wildlife conservation and hunting and angling ethics internationally to diverse audiences ranging from civic and sportsmen’s groups, to international associations, the Serbian Parliament and former Presidents of the United States of America, France and South Africa.
Gray was awarded the “Wildlife Utilisation Award” by the Professional Hunters Association of South Africa (PHASA), the Association’s highest conservation honor. He also received PHASA’s highest service honor, and the Coenraad Vermaak Distinguished Service Award and was the first non-South African to be so recognized. Thornton has received the President’s Award from the Guide Outfitter Association of British Columbia for his years of dedicated service to the hunting and conservation community. As an Outdoor Writer, he received a Katie Award from the Press Club of Dallas representing the southern USA for the best Outdoor Story of the Year with “Iron Horse Fly Fishing.”
Thornton serves on the Board of Directors of Bear Trust International where he serves as Vice-Chairman of Board. He has also served on the Boards of the Conservation Fund, the Professional Hunters Association of South Africa Conservation and Empowerment Fund, the Ballot Issues Coalition, the Banovich Wildscape Fund, and the Lone Star Outdoor News Foundation.
He is a Summit Life Member of WSF, a Chadwick Ram Society Member, a WSF Legacy Society Member, and a Life Member of numerous WSF chapters and affiliates. Thornton is also a Life Member of SCI, NRA, DSC, TU, a Monarch Life Member of Wild Sheep Society of BC, and a Life Member of many guide/outfitter associations.
He is an avid hunter as well as salt and freshwater fly fisherman and has hunted and fly fished throughout North America and internationally including 17 safaris to Africa and has hunted in New Zealand, Germany, Mexico and Canada. As a mountain hunter, he has taken all Four North American Wild Sheep (FNAWS), a Rocky Mountain goat as well as tahr and chamois.
He received a Bachelor of Science degree in Management and Marketing from California State University at Fresno and has earned advanced credits in Wildlife Management from Colorado State University at Fort Collins.
Thornton resides in Manhattan, Montana with his wife Renée, their Weimaraner Sage, and Vizsla Sienna.


Tony Caligiuri

Tony Caligiuri

Calgary, Alberta


An Iowa native, Tony Caligiuri has had a passion for the outdoors and conservation since childhood. He fulfilled a life long dream of becoming an outdoor writer at an early age, earning national and international awards for writing, photography and film production. 
He has been president and C.E.O. of Boyt Harness Company since 1993. Boyt is a long time supporter of the Wild Sheep Foundation and is one of the oldest names in the hunting industry operating multiple brands worldwide.
 “ I have a tremendous passion for North American sheep in general and WSF in particular. I believe that my passion for sheep and sheep hunting combined with more then 20 years of volunteering in various grass roots and national conservation leadership positions gives me a background that would benefit WSF’s roles as a conservation leader for wild sheep and as an advocate for hunter conservationists across North America. 
I would be proud and honored to serve on the foundations’s board of directors and would dedicate the time and resources that the position deserves”
Caligiuri has served in various volunteer roles for several conservation organizations and is a past Chairman and board member of the Congressional Sportsmen’s Foundation and a regular member of the Boone and Crockett Club, currently serving on the club’s board of the directors. He is also a director for the Jack O’Connor Center, Bear Trust International and the Iowa Preserves Advisory Board. He serves on the WSF conservation committee, the Iowa FNAW’s chapter’s auction committee and donates his time as a columnist for Wild Sheep magazine. He is WSF Summit Life member and a member of the Chadwick Ram Society.
He went on his first sheep hunt in 1989 and has since hunted sheep in Alaska, British Columbia, the Yukon, Northwest Territories, Arizona and Mexico. Past hunting awards include a WSF Gold Medal Ram award along with multiple SCI major awards and top ten awards for North American big game animals. 
He lives on a farm near Osceola, Iowa with his wife Ginny, also an avid hunter, and their 12 dogs. 

Karen Gordon

Karen Gordon

Fairbanks, AK


Karen Gordon grew up with an interest in wild sheep inherited from her grandfather, who was a sheep hunter in Alaska. One of his rams hung in her family home as she was growing up. She started shooting competitively when she was 14 and shot on the University of Alaska Rifle Team for three years. Karen holds a master’s degree in business administration from the University of Alaska.
In her professional life, she has worked in banking and public administration, with Alaska Native Corporations, and with the Alaska Department of Fish and Game. She ultimately became a self-taught and biologist-tutored Dall sheep biologist. She is employed as an administrator and wildlife support specialist for the Alaska Department of Natural Resources. In all, she has worked for the Alaska Department of Fish and Game and the Department of Natural Resources for three decades.
A WSF Summit Life member and Chadwick Ram Society member, Karen has been active in the Alaska FNAWS/WSF Chapter for about a decade as a board member and officer and has served on the WSF Professional Resources Advisory Board (PRAB) for almost that long. She has served on WSF’s board of directors as vice president, secretary and treasurer, and she has been a grants reviewer for the foundation since 2005. Active in fundraising for WSF and at the Sheep Show™, she has represented the Alaska Chapter at Chapter & Affiliate Summits and was the logistical coordinator of the 2004 Northern Wild Sheep and Goat Council Biennial Symposium in Canada and Alaska’s Inside Passage. She has also written a variety of wildlife conservation/hunting-oriented stories for magazines including Wild Sheep.


Wayne  Henderson

Wayne Henderson

Lodgepole, SD


Wayne Henderson grew up on a cattle ranch in northwestern South Dakota. After college, he married Diane and the couple moved to
Buffalo, WY, for 12 years. They subsequently moved back to the family ranch in South Dakota, where they remain today. He is still married to the same woman after 37 years and they have been blessed with three sons, all sportsmen, and four grandchildren.
In addition to ranching, Wayne is a licensed real estate appraiser in both
North and South Dakota. He runs a small outfitting business called Paradise Outfitters, which leads hunts for upland birds, antelope and both whitetail and mule deer. During the last 35 years, he has donated over 20 hunts/trips to help raise money for conservation efforts to benefit wild sheep and other wildlife. These include donated hunts to WSF; the Eastern, California, and Midwest Chapters of WSF; and the Arizona Desert Bighorn Sheep Society. A Life member of WSF, Wayne and his wife Diane are members of WSF’s Chadwick Ram Society. In his personal hunting life, Wayne has embarked on several sheep hunts, taken rams and hopes to someday achieve his FNAWS.
Active in his home community, he has been a volunteer EMT for the local ambulance service, a member of a local rural volunteer fire department, an emergency manager, the habitat chairman for several years of Cedar Creek Pheasants Forever, and a hunter safety instructor. He has also served as vice-chairman of the Perkins County Commission.


Larry  Jacobs

Larry Jacobs

Sherwood, OR


Born and raised on a farm/ranch in North Dakota provided Larry Jacobs the opportunity to build a strong work ethics at a young age. He has always been passionate about new adventures and opportunities in life. He traveled to Oregon for summer work, to earn his way through college, and started a Custom Construction Co. the at age 20.  He still owns and operates this business forty-seven year later, building custom homes and light commercial projects. Larry also operates a farm and ranch business.

Larry has always spent time volunteering to local, county, state and regional non-profit groups so after drawing an Oregon bighorn tag in 2002 he joined OR-FNAWS for an opportunity to give back. He became a board member in 2003, served as VP in 2004 and as President in 2005,2006, 2016 and is the current Oregon President. He has initiated numerous hands on projects in Oregon- including guzzlers, spring projects, weed projects and juniper cutting to name a few.  Larry has actively participated in the Hells Canyon Initiative as the OR-FNAWS representative since 2004. He has also participated in public land management planning in OR, WA and ID since 2004. Larry takes a leading role in the chapter fundraisers each year. The Oregon Chapter presented their Jo Josephson Lifetime Achievement award to Larry in 2007. The WSF Gordon Eastman award was presented to Larry in 2010 and the WSF Outstanding Achievement award was presented to him in 2016. He is dedicated to bighorn sheep and passionate about the future of our public lands and wildlife management strategies for these lands.


Glen  Landrus

Glen Landrus

Clarkston, WA


Twenty years ago, Glen Landrus was selected for a Washington bighorn sheep hunt, which sparked his passion to be involved in giving back to promote the future of wild sheep and their habitat. After his Washington sheep hunt, he learned about the Wild Sheep Foundation (then FNAWS) and joined at the state level. He was elected to the board of the Washington chapter in the late 1990s, later serving as secretary and then more than ten years as the chapter president. The chapter’s board developed recruitment and banquet programs that increased both membership and banquet profit by 400%, while keeping administrative costs to 4%. More importantly, he reports, they inspired the membership with excitement, hope and a desire to give back to the wild-sheep resource. Today, he is a Summit Life member of WSF.
For more than two decades, Glen has served as a high-school agricultural education instructor. Most of this teaching experience was at a small school at the gateway of Hells Canyon in southeastern Washington. Glen’s students have won 13 state competitions and gone on to national competitions in everything from livestock evaluation to parliamentary procedure. In 2002, he was recognized as the Outstanding Agriculture Teacher for the 11 Western states. In 2015, he was selected as a regional Teacher of the Year in Washington state and one of nine finalists for Washington state Teacher of the Year.


Emilio  Rangel W.

Emilio Rangel W.

Monterrey, MX


Emilio Rangel W. is CEO of Monterrey, Mexico based Ecumene Desarrollos a real estate investing firm and brings more than 25 years of NGO, private sector and governmental agency leadership experience to the WSF board. Rangel, a former Ducks Unlimited Mexico Executive has served as President of the Wildlife Management Trust, National Association of Water Works Institutions of Mexico, CEO of Water Works for the state of Nuevo Leon and Director General of the National Rural Registry of Land. Rangel received a Master of Science degree in Wildlife Management and a BS in Agricultural Engineering. Emilio and his son Emilio, Jr. and business partner Rene Hernandez are owners of Rancho La Palmosa and are responsible for the repatriation of more than 500 free-range desert bighorn sheep to their native range in Coahuila. La Palmosa received WSF’s Special Conservation Award in 2016 for their work to put and keep desert bighorn sheep back on Coahuila’s mountains. Rangel is the first Mexican citizen to serve on WSF’s Board

Kyle Stelter

Kyle Stelter

Victoria, BC


Kyle Stelter grew up in a farming and ranching community and was always connected to the land and wildlife.  At a young age he was in the field with his father and grandfather looking after the land and the animals it inhabited.  During that time, wildlife was abundant and Kyle had a strong connection to both the wild and domestic animals that shared the landscape.

Coming from the rolling hills of Southern Alberta wild sheep were something that were only seen on the rare drive through British Columbia.  Moving to the west coast and embarking on his first sheep hunt in 2011, Kyle fell in love with the mountains and in particular the curly horned inhabitants nestled ominously in the craggy peaks towering above.

Kyle’s passion for wildlife conservation began to manifest itself with the Wild Sheep Jurassic Classic.  Focusing on collaborative efforts to raise wild sheep awareness, advocacy and fund raising became a priority.  This led to greater involvement at the affiliate level particularly with the Wild Sheep Society of BC.  Kyle has served as a Director and President for the Wild Sheep Society and has chaired the Membership and Communications committee.  He is also WSSBC’s representative on WSF’s Chapters and Affiliates Committee.

Kyle is a Wild Sheep Foundation Summit and Life member as well as a Chadwick Ram Society member.  Kyle is a Wild Sheep Society of BC Life and Monarch Member as well as a Life Member with WSF Yukon, WSF Midwest, Eastern WSF and WSF California.  Kyle is currently Chairman of Wild Sheep Foundation’s Membership Committee and the WSF 1Campfire Initiative Committee and serves on the Chadwick Ram Society Committee.

Professionally Kyle is an Airline Captain that is often on the other side of the world thinking about wild sheep conservation.  He currently resides in Victoria, British Columbia with his wife Melanie and two sons.

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