Dr. Jami Bartgis completed a Ph.D. in Clinical Psychology at Oklahoma State University and internship at the University of South Florida, Florida Mental Health Institute (FMHI). She is an enrolled citizen of the Cherokee Nation in Oklahoma and has spent her career working for both tribal and urban American Indian communities across the United States. Dr. Bartgis previously served an Assistant Professor of Research at the University of Oklahoma Health Health Sciences Center, Indian Country Child Trauma Center. She has worked on the national level in her previous role as the Director of Technical Assistance and Research at the National Council of Urban Indian Health. Highlights of her community work include the development, implementation and evaluation of children's mental health systems; a range of community-based participatory research projects to advance health knowledge and practice; partnerships with State/County Mental Health and Substance Abuse Departments to support Systems of Care for American Indian populations; and the honor of working with thousands of tribal youth and family members as a direct service provider, community-based researcher/evaluator, and data driven policy advocate for a healthier world. Dr. Bartgis serves at the President and Chief Executive Officer of One Fire.
Chelsey Osburn serves as the Administrative Project Coordinator for One Fire Associates. She is an enrolled citizen of the Cherokee Nation and brings strong skills in project coordination, tracking, invoicing, and financial management using QuickBooks. In her role, Chelsey supports both administrative operations and project-based work, including data organization, reporting support, and coordination across initiatives. Outside of her professional role, Chelsey dedicates her time and expertise to supporting capacity building within school settings through volunteer and parent-led efforts. She has independently created, administered, collected, analyzed, and returned survey feedback for school staff and parents/families, ensuring voices are heard and information is meaningfully used to strengthen engagement and inform practice. Chelsey is deeply passionate about supporting children, youth, and families with special needs, including autism, and brings both professional and lived experience to her work. She is actively involved in her local school’s Parent Teacher Association, currently serving as Secretary and previously serving as Treasurer. She also participates in several committees, including Hospitality and Family Engagement, where she helps foster inclusive, welcoming spaces for families. Chelsey is a mother of two boys and resides with her husband and children in Coweta, Oklahoma.
Alison Mahurin currently serves as Chief Operations Officer with One Fire Associates, LLC. Alison completed a B.A. in Accounting at Oklahoma State University and a M.B.A. at Northeastern State University. She is an enrolled citizen of the Cherokee Nation of Oklahoma. Alison is experienced in operations, customer service, management, communications, project management, international business, sales, marketing and supply chain management. Alison enjoys getting involved in events that support the community such as 5k’s and half marathons. She has been involved with youth in the community serving as a volunteer in youth programs such as Girl Scouts. She resides with her husband and new baby in Claremore, Oklahoma.
Dr. Corey M. Still is a citizen of the United Keetoowah Band of Cherokee Indians. Originally from Tahlequah, OK, he lives and works from Norman, OK. He holds a Bachelor of Arts in Native American Studies from the University of Oklahoma, a Master of Science in Higher Education Leadership from Northeastern State University, and a Ph.D. in Education Leadership and Policy Studies with an emphasis on Student Affairs, Higher Education Administration, and Indigenous Higher Education from the University of Oklahoma. He is passionate about education within Indian Country and strives to help Native students who dream about attending college turn that into a reality. Being a first-gen college student, Dr. Still relates to many of the obstacles that Native students face and has dedicated his life to serve and help others achieve their educational goals. His current research agenda includes the promotion of Indigenous research methodologies, Indigenous representation in institutional policy, undergraduate Native men's experiences, Indigenous masculinity, and Native American fraternities and sororities. Dr. Still has served on several national and regional boards, advisory councils, and community and organizational leadership teams advocating and promoting Native education across the country.
At One Fire Associates, our core team is supported by a trusted network of collaborators who bring deep expertise, cultural grounding, and community-centered values to our work.
We regularly partner with:
Indigenous researchers and thought leaders
Skilled facilitators and trainers
Evaluation consultants and data analysts
Subject matter experts in mental health, youth engagement, and systems change
This collaborative model allows us to grow and flex in response to our partners' evolving needs—without compromising on quality, responsiveness, or relational care.
Our collaborators are vital to how we serve communities and carry forward our mission.
Together, we are One Fire.
Dr. Candace Fleming (Kickapoo/Oneida/Cherokee) was raised on the Northern Cheyenne Reservation in southeastern Montana. Dr. Fleming earned her doctoral degree in Clinical Psychology from the University of North Carolina at Chapel Hill in 1979 and has more than 40 years of experience in training, administration, research, and evaluation.
Dr. Fleming has developed expertise in program evaluation for both treatment and prevention efforts with Indigenous populations and served much of her career at the National Center for American Indian and Alaska Native Mental Health Research (NCAIANMR) at the University of Colorado Health Sciences Center.
Through her collaboration with the One Fire Associates team, Dr. Fleming serves as a consultant, providing highly technical training and guidance that supports the team in advancing quality services to the communities and partners we serve. Dr. Fleming resides in Maine with her family.
Seprieono Locario is a Navajo Nation citizen and a respected leader with extensive experience working alongside Tribal Nations to strengthen community-driven initiatives, strategic planning, and systems coordination. Over the course of his career, he has supported Tribal governments, community organizations, and regional partnerships in advancing culturally grounded approaches to planning, governance, and program development.
Seprieono brings deep knowledge of Tribal systems and community engagement, with a strong track record in facilitating collaborative processes that bring together leadership, service providers, and community members to address complex challenges. His work emphasizes strengthening local capacity, honoring cultural values, and supporting long-term community well-being.
Through his collaboration with the One Fire Associates team, Seprieono contributes his expertise in Tribal engagement, strategic planning, and facilitation to support Tribal Nations and Indigenous organizations in advancing community priorities and sustainable solutions.
Ashley Chee (Diné) was raised and currently resides on the Navajo Nation, where she is dedicated to fostering sustainability within Native communities. She holds a Bachelor of Science in Elementary Education and a Master of Arts in Educational Policy, combining both expertise and a passion for impactful change. With over 17 years of experience in education, including 15 years as a classroom teacher, Ashley has worked exclusively with Native communities.
She also served on the educational leadership teams of two schools for five years, including two years as the Data Team Leader. Ashley has a strong interest in data and extensive experience collaborating with community members and leaders to support informed decision-making and community-driven solutions.
Through her collaboration with the One Fire Associates team, Ashley contributes her expertise in data analysis and reporting to support projects that strengthen community-informed planning, evaluation, and decision-making with Tribal Nations and Indigenous partners.
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