Gwyn-Mohr Tully


Gwyn-Mohr Tully, J.D., co-founder of Tully & Young, Inc., is a licensed attorney with over 19 years experience in surface and subsurface hydrology, water law, and water planning. Mr. Tully consults with public agencies and private clients on developing and implementing water resource management plans and individual water projects. In this context, Mr. Tully has conducted water rights investigations; assessed contractual water obligations; negotiated water transfers; prepared water settlements; evaluated surface and subsurface water supplies; prepared regulatory, legal, and political assessments; researched historical water rights and supplies; and conducted and coordinated high-level stakeholder interactions.

Greg Young


Greg Young, P.E., co-founder of Tully & Young, Inc., is a registered civil engineer with over 22 years of extensive experience in strategic water resource planning. Mr. Young has spent much of his career synthesizing multiple water resource disciplines with practical knowledge to empower clients. Mr. Young’s experience and skill provides his clients with unique insight, comprehensive analysis, and valuable solutions. Through involvement in numerous projects focused on the elements of UWMPs and SB 610 Water Supply Assessments throughout the State, Mr. Young has developed valuable skills to quickly evaluate existing documents, often recognizing the shortcomings and problems that arise when not prepared as part of an array of strategic planning documents.

Kris Olof


Kris Olof is a recent graduate from U.C. Davis with a degree in Civil Engineering and a minor in Construction Engineering and Management. Mr. Olof’s education and experience in water resources engineering and planning, water quality management, and cartography provide an ideal foundation for the specialties offered by Tully & Young, Inc. Combining previous experience in rural small businesses, residential construction, farming and the California wine industry, with an engineering degree gives Mr. Olof practical tools and a unique perspective to help clients assess and solve water resource management and planning challenges.


Andrea Kearney


Ms. Kearney has over 20 years experience in providing executive level administrative support within private corporations.  Ms. Kearney has previously served as the Business Manager to a Construction Company, Fundraising Coordinator to a Non-Profit Agency, Vocational Rehabilitation Counselor for Injured Workers, and Vocational Rehabilitation Coordinator/Legal Assistant  to  multiple Attorney’s.