Board of Directors


Board of Directors

MARS’ Board of Directors is a diverse team of highly-skilled and experienced professionals in the fields of economics, small business, hydrology and fluvial geomorphology, fish and wildlife biology, wetlands science, accounting and law and policy.


Ted Johnson headshotTed Johnson | Chair

PE, CFM | CDM Smith

Ted is a professional engineer and certified floodplain manager with 30 years of experience in water resources engineering. He has expertise in the design and construction of river channel and floodplain improvements, river channel bed and bank stabilization, flood storage, habitat enhancements and the development of recreational amenities. Ted also has expertise in regulatory coordination, hydrologic and hydraulic analyses; sediment transport and scour and deposition analyses; erosion control BMPs; and, habitat analyses. Ted joined the MARS board as a Director in 2015.


MarcusMarcus Pearson | Vice Chair

Director of Program Investments | Adventure Scientists

Marcus brings nearly a decade of land and water conservation experience to the board. He has guided private and public-interest clients through complex real estate and water rights transactions, and working extensively with state and federal environmental and land-use regulations. During his law career he has helped to develop market-driven ecosystem services banking models to promote groundwater mitigation, wetland mitigation, water quality trading, and natural resource damage assessment restoration projects. Marcus joined MARS as a Director in 2016.


Sanctuary headshot

Mike Sanctuary | Treasurer

Senior Project Manager | Confluence Consulting

As Confluence’s Senior Project Manager, Mike incorporates his background in wildlife, fisheries, hydrology, and watershed science in the design and construction of water quality and fisheries restoration projects. His project management experience includes channel design and construction, fish passage and screening, revegetation, habitat enhancement, and grant acquisition. Mike works with a wide variety of clientele ranging from industry to private landowners, conservation groups to developers. Mike joined the MARS board in 2015.


Burt Williams | Secretary

Retired Natural Resource Manager | The Nature Conservancy 

Burt is a cattle rancher with over 30 years experience in natural resources.He has previously worked for the Bureau of Land Management and The Nature Conservancy in Montana. He brings a wealth of knowledge in regional land management and conservation to the MARS board which he joined in 2017.


Tom ParkerTom Parker | Director

President and Principle Ecologist | Geum Environmental Consulting

Tom is President and Principal Ecologist of Geum Environmental Consulting, based in Hamilton, Montana. He focuses on riparian and floodplain restoration as part of long term river restoration projects in Montana and Idaho. Tom was in the Peace Corps in Niger, West Africa, and managed trails and wilderness education programs for the Adirondack Mountain Club in Lake Placid, New York and previously worked for Bitterroot Restoration and Herrera Environmental Consultants before starting Geum in 2003. He joined to MARS board in 2017.


Nathan Tewson | Director

Portfolio Analyst | Bitterroot Capital Advisors 

Nathan brings nearly 15 years of banking and investment management experience to the Board. For the past four years, he’s worked with Bitterroot Capital Advisors serving a select group of US and international clients. With a special interest in using capital to make a positive environmental or social impact, Nathan was excited to join the MARS Board in 2017. Nathan moved to Montana in 1992 after spending his early childhood in Alaska.


Betty Stroock | Director

Founder | Sweetwater Consulting

Betty is a geologist/geochemist whose career has specialized in water, energy and other natural resource management issues affecting Montana and Wyoming. Her experience ranges from groundwater research for the Los Alamos National Laboratory to water quality and river ecosystem protection with the Greater Yellowstone Coalition. She has enjoyed a successful record bringing solid research to the arena where environmental advocacy and public policy intersect. She joined the MARS board in 2019.


Kendra Prather | Director

Landscape Architect and Owner | Off Grid Design PLLC

Kendra is a licensed Landscape Architect and Owner of Off Grid Design PLLC. She brings nearly a decade of design experience to the Board and is extremely passionate about water resources, sustainability, and conservation. Much of her collegiate research and professional designs focus on sustainable water use. Her core value for life and her career is simple: to make a positive difference in the world. Ready to take her love of water resources to the next level, Kendra was excited to join the MARS board in 2020.


Raymond Ansotegui | Director

Raymond was born and raised in Livingston, and grew up around cattle. He earned a bachelor’s degree in Abused Land Rehabilitation at Montana State University and a master’s degree in Natural Resource Management at Arizona State. He also recently retired from his hobby of Rodeo Cowboy Protection. Both his work and his hobbies have fostered his connection with people, animals and Mother Earth.


Kascie Herron | Director

Associate Director of Outreach and Communications | American Rivers, Northern Rockies office

Kascie Herron serves on the Communications and Development Committee for MARS and joined the board in January 2020. She loves all things rivers, both for work and for play, and when she’s not managing grassroots campaign work for river protection, she’s on a Montana river, floating and fishing.


Preston Holmgren | MSU Boardroom Bobcat

Boardroom Bobcat | Montana State University

Preston is a senior studying Land Resources and Environmental Sciences at Montana State University. Interested in learning and building up a presence in the field of Environmental Sciences, he is focused on the roles that humans play in, not only ecological disturbance, but also reclamation to a steady state. Preston’s background is largely centered around restoration ecology, and GIS.


Screen Shot 2016-03-07 at 5.29.03 PMPatrick Byorth | Emeritus

Staff Attorney | Trout Unlimited Montana Water Project

Pat is the Director of Trout Unlimited’s Montana Water Project. An attorney and fisheries biologist with over 16 years’ experience as a special projects and regional fisheries biologist for the Montana Department of Fish, Wildlife, and Parks where he gained expertise in stream and fisheries restoration and in state and federal permitting authorities and procedures and led restoration efforts for Arctic grayling and Yellowstone cutthroat trout. Pat was founding Chairman serving through 2015 and remains active on the Board as a representative of the Executive Committee.


Screen Shot 2016-03-02 at 1.11.55 PMJennifer Boyer | Emeritus

Assistant Director | Farm 51

Jenifer has spent 15 years leading watershed groups and non-profit organizations navigate challenges in water-related issues as diverse as open-space bonds, endangered species, floodplain regulations, and river conservation. She also owns and operates Farm 51, a goat farm in Bozeman. Jenifer joined MARS as Director in 2013.


Screen Shot 2016-03-07 at 11.55.24 AMKarin Boyd | Emeritus

Principal | Applied Geomorphology, Inc.

Owner of Applied Geomorphology, Inc. and a registered professional geologist with twenty-five years experience in river process assessment, restoration concept development, stream channel design, and permitting. Karin is a founding director of MARS.


Abby Dresser | Emeritus

Regional Biologist | Ducks Unlimited

Abby is a Biologist with Ducks Unlimited in partnership with the USDA Natural Resource Conservation Service. Abby works closely with the NRCS and private landowners to help implement Farm Bill programs across the state. She specializes in the Agriculture Conservation Easement Program, which includes the Grassland and Wetland Reserve easements. Abby brings over 10 years of experience as a wetland scientist and watershed restoration professional specializing in protection and restoration of wetlands and streams. Abby joined MARS as a Director in 2013, and took over as Chair of the Board in 2015.