There is power in unity. We believe collective efforts result in greater local and broad scale impact.
Relationships based on shared interest and trust form the bedrock of successful initiatives.
Buffalo Nation Grasslands Alliance’s leadership engages with a diverse group of people to build the shared ownership needed for sustaining our long-term efforts
Outreach and engagement in Native Nations will unlock creativity and build the solidarity needed to ensure the diversity of life in the Northern Great Plains flourishes for current and future generations
Understanding and responding to the needs and priorities of people who engage directly with the land will make BNGA a smarter, more adaptive initiative
Our Team
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Shaun Grassel, PhD (Citizen of the Lower Brule Sioux Tribe): Chief Executive Officer
Shaun Grassel serves as the Chief Executive Officer for BNGA. Shaun brings a wealth of experience, having worked as a wildlife biologist for the Lower Brule Sioux Tribe for nearly 25 years. Shaun also has worked for the Nez Perce Tribe Fisheries Program and the First Nations Development Institute. Shaun’s experience includes project development, fundraising, research, advocacy, and program administration. Shaun lives on the Lower Brule Indian Reservation where he spends his free time hunting, fishing, and raising cattle and native grasses for seed production. Shaun has two children, Michael and Zoe, who are members of the Nez Perce Tribe.
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Sunshine Claymore (Citizen of the Standing Rock Tribe): Youth Engagement Specialist
Sunshine Claymore serves as the Youth Engagement Specialist for BNGA. Sunshine is a passionate mother and environmentalist with expertise in design, education, and community engagement. She is dedicated to promoting ecological practices and fostering a deeper connection to the Earth through our food and medicine. Skilled in organizational planning and grant management, she has experience in roles such as Community Engagement Specialist and Regenerative Land Management Coordinator. Sunshine advocates for a more mutually beneficial relationship between humans and the environment, striving to inspire others to embrace holistic living practices.
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Antonio ‘Tony’ Morsette (Citizen of the Chippewa Cree Tribe): Land Conservation Program Officer
Antonio ‘Tony’ Morsette serves as the Land Conservation Program Officer for BNGA. Tony possesses extensive knowledge in project management, grant writing, and place-based spatial data analysis. He holds a Bachelor of Arts in Environmental Studies and two minors in Media Arts and Art Studio from the University of Montana as well as a Master of Science in Environment and Sustainability from the University of Michigan and has accumulated over six years of hands-on experience in various environmental fields. Throughout his academic and professional journey, Tony has demonstrated a commitment to fostering collaboration with and supporting Indigenous communities in their environmental endeavors. When not hard at work, Tony can be found playing video games or enjoying the outdoors with his three dogs.
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Natalie Anderson, PHD (Citizen of the Lower Brule Sioux Tribe): Financial Administrator
Natalie Anderson serves as the Financial Administrator for BNGA. She is president of the Lower Brule Community College. Natalie has her doctorate in education from Northcentral University specializing in higher education leadership. In addition, she is a graduate of National American University with a master's in business administration. Natalie has many passions in life, but foremost is education. In her eyes, education does far more than provide credentials; it proves a person’s determination to seek a better life.
Natalie serves on several boards focusing on community and education. She continues to teach business courses for the Lower Brule Community College and Sinte Gleska University. In addition, she helps organizations with their financial management. Her focus is mainly non-profit organizations in Indian Country.
Board of Directors
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M. Wes Stops, Jr. (Citizen of the Crow Nation): BNGA Board President
Marvin (Wes) Stops, Jr., is the Director of the Crow Environmental Protection Program (CEPP) of the Crow Nation. Wes and his team focus on the long-term questions of climate change and the implementation of contingency plans and tribal policies that reflect these future environmental concerns. An ecohydrologist by training, his research explored the impacts of best management practices in agroecosystems that coupled tile drainage and terraces. This and other research experiences led to publications in two international peer-reviewed academic journals, Chemical Geology and Agricultural Water Management. Wes is also a member of the Society for Advancement of Chicanos/Hispanics and Native Americans in Science (SACNAS) and the American Indian Science and Engineering Society (AISES). These life and research experiences have led Wes to this unique collective of tribal nations that advocates for the protection of Native lands and resources and is proud to share in the vision of BNGA as a board member. Wes received his Bachelor of Science degree in Environmental Science at Haskell Indian Nations University and a Master of Science degree in Physical Geography at the University of Kansas.
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Rachel Hanisch: BNGA Board Vice President
Rachel Hanisch is a recently retired corporate attorney. She has practiced for profit / non-profit corporate law for nearly twenty years. Prior to practicing law, she was the Executive Director of the Northern Prairies Land Trust. Northern Prairies Land Trust operates in South Dakota and Nebraska, working to identify opportunities to protect and preserve threatened ecosystems, specifically, the tallgrass prairie. Prior to working for the land trust, she was employed by Enemy Swim District, one of the seven districts of the Sisseton Wahpeton Sioux Tribe, as planning coordinator and grant writer. She was born and raised on the Lake Traverse Reservation in northeast South Dakota and is non-Native. Rachel received a Bachelor of Science in Natural Resources and Environmental Studies from South Dakota State University and her Juris Doctorate from the University of South Dakota.
She is excited to assist Buffalo Nations Grasslands Alliance with its efforts towards sustainable conservation for Northern Great Plains Tribes.
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Jennifer Martel (Citizen of the Cheyenne River Sioux Tribe): BNGA Treasurer
Jennifer Martel’s Lakota name is Wahukaze Nunpa Win, meaning Two Lance Woman. Jennifer resides and works on the Standing Rock Reservation where she currently serves as Coordinator of the Sitting Bull Visitor Center at Sitting Bull College. She has worked for the College 18 years and has a Bachelor of Science in Business Administration/Management from Sitting Bull College and Oglala Lakota College. She is a mother of four grown children and grandmother of 4 takojas, whom she adores and loves dearly. Jennifer has planned, organized, and implemented art, food, and medicine classes for over seven years within the community of Standing Rock, including facilitating the making and preservation of traditional art forms, foods, and medicines. She also links Culture Bearers and local artists with community members to revitalize what was and what is to be in the community. Jennifer unites Indigenous peoples from across the world to stand together to bring awareness to the issues affecting Indigenous men, women, children, and two-spirited. Jennifer has stood with thousands during the Standing Rock Movement, spoken at the United Nations, and helped organize marches in Washington, DC. Jennifer has also worked with the Sicangu Treaty Council to help coordinate the annual Treaty Conference. She can be on a wild adventure with family or friends, on the road to some destination for work or pleasure but enjoys the Paha Sapa where she calls Home!
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Monica Rattling Hawk (Citizen of the Oglala Lakota Nation): BNGA Board Member
Monica is an aspiring Unci (grandmother) and resides on Quiver Hill, the north east corner of the Pine Ridge Reservation, where she happily toils in the soil, harvesting medicines, and enjoying the challenges of walking in two worlds. Her background is in economic development, policy development in ecosystems management, compliance for law enforcement. She joined the World Wildlife Fund’s Northern Great Plains program in 2017 to lead outreach efforts and has completed a reservation wide survey and formed a working group that is focusing on creating a declaration of priorities on Pine Ridge regarding the South Unit (Strong Hold), land owned by the Tribe and co-managed by the National Park Service. Monica is also an advocate of the Buffalo Treaty and has brought the Oglala Sioux Tribe to be a signatory and continues as a working group member tackling issues impacting Tribes and the buffalo relative. Monica works with her community bringing forth education on “Food as a medicine” to the community through education in planting, harvesting, and preserving foods. She participates in public service as the President of the Crazy Horse School Board and is a founding member of a Women’s Society – Ethics and traditional thoughts and philosophy.
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Adriann Killsnight, He'heenóhká'e (Blackbirdwoman) (Citizen of Northern Cheyenne Nation): BNGA Board Member
Adriann is a proud wife, mother, sister, aunt, and grandma. She earned a B.A. in Environmental Studies and an M.S. in Resource Management. Adriann is a contractor with over 15 years of experience in the cultural and natural resources fields with projects in mercury education, indoor/outdoor air quality, black-footed ferret conservation and restoration, ethnobotanical/ethnozoological research, swift fox study, and black-footed ferret community education and outreach. She previously worked with Lame Deer Public Schools as a Gear Up Liaison and most recently completed an internship with AmeriCorps Vista. This endeavor included partnerships with World Wildlife Fund, LittleDog Wildlife and the Northern Cheyenne Tribe with efforts to begin the development of a community voice-based conservation black-footed ferret restoration plan.
Adriann started a business Charging Buffalo, LLC focusing on different aspects of cultural/natural resources, research, data collection, STEM education and outreach. Adriann also serves as a wildlife biologist and a cultural surveyor for the Northern Cheyenne Tribe. Outside work, Adriann is an assistant coach and the Team Director for the National Interscholastic Cycling Association (NICA) Northern Cheyenne Bison Mountain Bike Team and can be found enjoying outdoors recreating, hunting, and gathering with her family and friends.
Technical Advisor
Libby Khumalo, PhD
Libby Khumalo serves as a Technical Advisor of BNGA, a position currently hosted and funded by World Wildlife Fund’s Northern Great Plains Program through August 2025. A conservation social scientist by training, with skills in research design and qualitative analysis, the Spokane County, Washington native studied community-based conservation in Southern Africa and has taught a variety of conservation and recreation courses for the College of Forestry and Conservation at the University of Montana. After obtaining her Doctorate in Forestry, she worked for the Center for Large Landscape Conservation, assisting partners in the Blackfeet Nation, Confederated Salish and Kootenai Tribes, and the Fort Belknap Indian Community with climate change adaptation planning and implementation. Libby has coordinated many initiatives that spark new ideas and engagement, including the annual International Seminar on Protected Area Management, the Hands Across Borders transboundary conservation workshop, and new activities for the Helena (MT) Community Gardens. Libby is non-Native. She has had the great privilege of working with inspiring colleagues from Native Nations across the Northern Great Plains, as well as in the ancestral homelands of the Salish and Kootenai where she was born and raised. Libby’s work as a Park Ranger and her early experiences planting and selling Christmas trees on her family farm has instilled a deep respect for working lands.
WWF-BNGA Summer 2024 Intern
Carter Mayhew
Carter Mayhew is a rising senior at Catawba College in, Salisbury, NC, studying Environment and Sustainability with a Minor in Geographic Information Systems (GIS). He is drawn towards the intersection of technology and the environment that GIS provides. It is important to him that wildlife conservation honors the people and culture of the land. He has experience mapping dispersed campsites for the National Forest Service to protect Native artifacts in the Uhwarrie Forest and has worked with waterkeepers to better learn about environmental injustices, due to factory farming, against communities in eastern North Carolina. Originally from Charlotte, NC, he is excited to be working with WWF and BNGA this summer to explore the drivers of ecological corridors for species in the Northern Great Plains, and to provide connectivity modeling to assist with BNGA’s pathways of connectivity project. He also hopes to learn more about Native led conservation and the challenges it faces. Carter is an Eagle Scout and attributes his love of wildlife to the time he spent outdoors in Scouting. He loves camping, hiking, and playing guitar.