Return to About Us

Bios for 2017-2018 Board of Directors Candidates


Past President– Laurna Kaatz

Laurna Kaatz is the climate science, policy, and adaptation program director for Denver Water. Her primary responsibility is to lead climate investigations and implement findings to inform planning, policy, and research. Laurna’s work incorporates many areas of water resource planning, including climate and drought planning, operational and water rights analysis, and long range integrated resource planning. As Vice Chair of the Water Utility Climate Alliance, lead practitioner of the Decision Making under Deep Uncertainty Society, and President of AWRA CO Section, Laurna is extensively engaged in climate and water preparedness and resiliency around the world. Before her career at Denver Water, Laurna was a Professor of Physics at Sweet Briar College, and then went on to work as a climate science researcher with Aurora Water. Laurna has a Master’s degree in physics and a Bachelor’s in physics and mathematics.

President – Dave Colvin

Dave is a Senior Project Manager for Leonard Rice Engineers, where he is also the Groundwater Team Leader and serves on the Board of Directors.  He is a collaborative, team-oriented Hydrogeologist with over 19 years of experience in groundwater services, water resources, project management, and environmental sciences.  He is responsible for coordinating and organizing teams of diverse subject matter experts and providing technical leadership to solve today’s water resource challenges.  His work focuses on innovative groundwater solutions including riverbank filtration, managed aquifer recharge (including aquifer storage and recovery), soil aquifer treatment, and groundwater modeling.  Dave has been on the AWRA Colorado Outreach Committee since 2013 and has served on the Board of Directors since 2015.  He has a B.S. in Geology from Syracuse University and an M.S. in Environmental Science and Engineering from Colorado School of Mines.  Dave is happiest while playing in the mountains with his wife and two daughters.

President Elect – Jon George

Jon is a water resources engineer and a Principal at Bishop-Brogden Associates, Inc.  He has been a water resources consulting engineer since receiving a B.S. in Civil Engineering from the University of Wyoming in 2003 and is a registered Professional Engineer in the States of Colorado and Wyoming. He initially developed a passion for water resources while working as a white water raft guide on the Arkansas and Colorado Rivers. His work includes helping Colorado water users to develop, manage and protect their water rights. Jon has been on the Board of Directors of the Colorado Section of the American Water Resources Association since 2014, and is a member of the American Council of Engineering Companies of Colorado and the American Society of Civil Engineers. Jon lives in Lakewood, with his wife and two young boys. When he is not working, Jon enjoys white water rafting, swimming, snowmobiling, and exploring the great outdoors with his family.

Secretary – Nathan Elder

Nathan is a Senior Engineer in Raw Water Supply with Denver Water. His primary responsibility is to model and coordinate the operation of Denver Water’s collection system. Nathan is also involved in water right accounting and water rights investigations. Prior to his career at Denver Water, he was a Water Quality Database Manager for the National Park Service. For the past two years, Nathan has served as AWRA Colorado’s News, Outreach and Website Committee Chair. He has a Bachelor’s of Science in Watershed Science from Colorado State University.

Treasurer – Lisa Wade

Lisa originally hails from Phoenix, AZ and earned her B.S. degree in Hydrology and Water Resources from the University of Arizona. She moved to Colorado in 2010 to pursue her masters in Civil Engineering at the University of Colorado in Boulder. Her research offered two new applications of statistical methods for tree-ring reconstruction of streamflow in the Lower Colorado River and the Gila River. These reconstructions were used to evaluate water supply risk for the entire Colorado River Basin. Lisa has developed hydrologic, hydraulic, reservoir operations, and water accounting models for basins ranging from Colorado to Morocco. Her passion is for Colorado water and providing robust technical information to ensure that our water resources are wisely managed. She works as a Water Resources Engineer with Wilson Water Group. In her spare time, Lisa enjoys hiking, skiing, dancing, and reading good books, especially of the science fiction variety.

Director At Large -Karlyn Armstrong

Karlyn Armstrong is a Water Resources Engineer for the Colorado Division of Water Resources where she reviews a variety of applications and referral requests for compliance with Water Court decrees, Colorado Revised Statutes and the rules, regulations and policies of the State Engineer.  When not reviewing applications and referrals, she provides support for the Division of Water Resources’ interface with the public and other groups. Karlyn holds an engineering degree from the Colorado School of Mines and an MPA from the University of Colorado, Denver.  Karlyn has been involved with the AWRA Education Committee since 2013 and is currently serving as a Director-At-Large on the AWRA Colorado Section Board. Outside of work, Karlyn be found hanging out with her husband and their two dogs, enjoying the outdoors, or volunteering.

Director At Large -Bill Battaglin

Bill is currently a Research Hydrologist for the U. S. Geological Survey in Lakewood, Colorado. Bill received a B.A. in Geology from the University of Colorado, Boulder, in 1984, and a M. E. in Geological Engineering, from the Colorado School of Mines, in 1992. He has work with various offices of the USGS since 1982. He has helped design and conduct numerous studies investigating the occurrence of pesticides and other contaminants in streams, reservoirs, groundwater, rain, and the air. He is currently working on investigations of the occurrence of contaminants of emerging concern in National Parks, the effects of pesticides on amphibian populations in North America, and the potential effects of climate change on Colorado snowpack. Bill has been an active member of AWRA since 1993, serving on several conference committees and the board of directors, publishing in JAWRA, and presenting papers at meetings. Bill was an AWRA National director, and served a 4-year term that ended in 2007. Bill was an AWRA Colorado Section director in 2005-2007, President-Elect in 2008, and President in 2009. Bill was the AWRA National President-Elect in 2011, President in 2012, and Past-President in 2013. Bill enjoys hiking, skiing, camping, ultimate, golf and just about anything else that can be enjoyed outdoors.

Director At Large -Tom Browning

Tom currently works for Michael Baker International as their Regional Practice Lead for Water Resources. He is based in Colorado, but his geographic responsibilities extend throughout the mountain west. He was formerly a Deputy Director for the CWCB, where he oversaw and coordinated efforts by the Integrated Water Resources staff. In that role, he also focused on management functions, agency operations, statewide water policies, strategic planning, and project negotiations. Tom was heavily involved in Colorado’s Water Plan, was the State’s program manager for the Chatfield Reallocation project, and served as the President of the Chatfield Reservoir Mitigation Company. He received his engineering degree from the University of Colorado (Boulder), with an emphasis in Applied Fluid Mechanics. He is a registered Professional Engineer, and also holds an MBA degree from Western Governors University. Mr. Browning has 28 years of professional experience, including 21 years at the CWCB and 7 years in the private sector as a consulting civil engineer. He is a current board member for the Colorado chapter of AWRA, and has held previous roles with professional organizations including the Chair of CASFM, Board of Directors seat for ASFPM, and officer seat for the Colorado Section of ASCE. Tom enjoys traveling, parenting, outdoor activities, fitness, and volunteer work.

Director At Large -Aaron Citron

Aaron joined the Conservancy in 2016. Aaron leads the Conservancy’s water policy engagement in Colorado and supports water transactions and other projects in the state. Aaron’s primary focus is on policy development and stakeholder engagement around water funding and the establishment of enabling conditions to facilitate improve environmental water management and streamlined environmental water transactions. Prior to his time with the Conservancy, he was the Manager of Environmental Defense Fund’s Water Program. He led EDF’s agricultural coalition building work, focusing on water conservation and efficiency, water markets, and other incentives structures in Colorado and Arizona. He previously led the Desert Rivers Program for Arizona Land and Water Trust in Tucson, Arizona.  Aaron received his B.A. in history from Emory University and his J.D. from The University of Arizona James E. Rogers College of Law.

Director At Large -Luke Harris

Luke Harris is a senior water resources engineer in the Planning Division at Denver Water with more than nine years of experience. At Denver Water he focuses on water rights and water resources planning. Prior to joining Denver Water, he was a consulting water resources engineer for more than seven years in the Denver area. Luke has previously served as Secretary of the Colorado Ground Water Association (CGWA) and has a B.S. in Civil Engineering from Colorado State University. Outside of work, he is usually found at a local Denver brewery or playing in the mountains with his wife and dog. Luke is happiest while skiing, mountain biking, hiking and camping.

Director At Large -Katie Melander

Katie Melander is a water resources engineer with Northern Water. She is involved with water rights investigations, operational modeling of the C-BT and Windy Gap Projects, climate change activities, and overseeing Northern Water’s engineering intern program. Katie graduated from Colorado State University with a Bachelors of Science degree in Civil Engineering and a concentration in soil and water. Although born in San Diego, Katie has spent most of her life in Colorado. Between skiing, hiking, running, and other outdoor activities, she enjoys the many sunny days Colorado has to offer. Katie lives in North Denver with her husband, Erik and their energetic toddler.

Permanent link to this article: