Senior Management

Jeff Drager, Director of Engineering  

Email, 970-622-2333 

Jeff Drager has a bachelor’s degree in civil engineering from Colorado State University and a master’s in water resources engineering from Stanford University. He is a registered professional engineer in Colorado and California. Drager has worked at Northern Water since 1995 where he has also served as project manager for the Windy Gap Firming Project, which involved a 14-year NEPA/permitting process. He has also served as project manager for other water supply projects in Colorado and California as both a consultant and owner’s representative.

Jerry Gibbens, Director of Operations  

Email970-622-2299 

Jerry Gibbens has bachelor’s and master’s degrees in civil engineering from Colorado State University. He is a registered professional engineer in Colorado and Wyoming. In his 10 years with Northern Water, prior to his current role, he worked on a variety of projects, including the Northern Integrated Supply Project, Colorado River Basin hydrologic modeling and policy-level planning, water resources planning and operations, watershed and forest health, and financial budgeting and planning. Prior to joining Northern Water, he was employed in consulting where he worked in water resources, environmental permitting and irrigation planning and design throughout the western United States and internationally. Gibbens and his family enjoy everything that his native Colorado and surrounding states have to offer, including vacationing, chasing extended family from place-to-place, outdoor activities and home improvement.

Karen Rademacher, Director of Administration 

Email970-622-2206 

Karen Rademacher has a bachelor’s degree in civil engineering from Colorado State University. She is a registered professional engineer in Colorado, has more than 35 years of water resources and water rights engineering experience. Rademacher has held both private and public sector positions and has testified as an expert witness in Colorado water courts. She founded the Ditch and Reservoir Company Alliance (DARCA) in 2001 and served as its first executive director. Rademacher came to Northern Water in 2007 and advanced the development of several streamflow forecasting and water accounting tools. She also had a lead role in developing the Water Management System, Northern Water’s custom software and database solution for tracking myriad water source types in accordance with the policies and requirements of Northern Water, the Bureau of Reclamation, and the Colorado Division of Water Resources. Rademacher is an avid genealogist and also enjoys classical music, various fiber arts, and hiking and camping with her family in Colorado’s great outdoors.

Esther Vincent, Director of Environmental Services  

Email, 970-622-2356 

Esther Vincent completed her master’s degree in civil engineering in 1999 from the Grenoble Institute of Technology in France. She is a registered professional engineer in Colorado and has been with Northern Water since 1999. Vincent has experience with water quality, watershed management, water supply planning, environmental permitting, regulations and water conservation. She oversees Northern Water’s water quality, water efficiency and flow monitoring programs, environmental compliance and environmental data management systems. She has served on the boards of the Grand County Water Information Network, the Big Thompson Watershed Forum and the Colorado WaterWise Council, and is an alumna of the WEco Water Leaders program. She was born and grew up in Paris, France and went to college in the French Alps where she became an avid skier. Vincent enjoys being outdoors with her family and likes to spend her free time playing in Colorado’s beautiful backcountry.