
Mr. Cotterman is a Wyoming native and has been with SCG since January 2016 and is currently the acting lead engineer for the firm. He received a B.S. in Civil Engineering in 2015 from the University of Wyoming and has been licensed in WY as a P.E. in Civil – Water Resources and Environmental discipline since February 2020. Dillon has a wide range of experience on projects in Agricultural, Oil & Gas, Municipal, State, Federal, and Private sectors.
His technical skills include AutoCAD Civil 3D drafting and design, stream gauging, riverbank stabilization, reservoir design, Wyoming water right petitions, civil site design, and project management. Most recently, he has been designing and managing several multi-year studies in the Upper Green River Basin related to demand management and water conservation efforts through a collaboration with the University of Wyoming, WSEO, TU, and TNC. Dillon is a certified TSP through NRCS and is a licensed UAV Pilot.
When not at work, Dillon can be found working on his small farm in Fremont County with his wife and two children or hunting, fishing, or in his wood shop.

Josh Stewart is a Professional Engineer and Professional Geologist registered in the State of Wyoming. He received a B.S. in Geological Engineering in 2014 and a M.S. in Geological Engineering in 2016, both from the Colorado School of Mines. Mr. Stewart’s previous work included mine reclamation projects in Wyoming. He was responsible for design and management of construction projects, surveying, production of project documents and drawings, water quality monitoring, geological modeling and interpretation, preparing field drilling logs, and technical report writing. He also has experience with geologic resource modeling, geophysical log interpretation, database verification, and preliminary mine layout. He joined Strike Consulting Group in January 2023.
Josh was raised in rural Southwestern Ontario and has lived in Lander since 2016. He enjoys spending time with his wife and five children, and taking part in the variety of outdoor activities that Wyoming has to offer.

Brian Craig is a staff engineer with experience in land surveying and manufacturing prior to joining SCG. He graduated from the University of Tennessee and moved to Wyoming shortly thereafter. Brian provides support on a range of projects with civil site design, drafting, engineering surveys, streamgaging, and hydrologic ratings. In his free time, Brian enjoys taking advantage of the numerous outdoor activities that the area has to offer.

Brenna Graham joined Strike Consulting Group in 2024 and serves as the firm’s Administrative Assistant and Bookkeeper. She maintains compliance, correspondence, filing systems, accounts receivables, accounts payables, and marketing.
In her free time, Brenna enjoys lifes simple pleasures and loves to go explore the many outdoor oppurtunities available to her in the Wind River Mountain range and has a strong appreciation for her roots in the lower Sweetwater river area.

Mr. Strike was trained as a field-based, structural geologist at the University of Wyoming but has since built a career interacting with water in Wyoming. With over twenty years of experience in managing technical civil and environmental projects as a private consultant, Andy has performed most aspects of water management planning for Federal, State, and Private entities. He is responsible for day-to-day operations, business development, contract administration, and project management for a multitude of ongoing projects.
When not in the office, he can be found recreating (skiing, hiking, paddleboarding, and biking) with family and friends. He feels extremely fortunate to call Lander, WY home and is excited for the opportunity to help build teams to address new challenges.