President
Lauren Tiedemann Loob
Lauren is a senior water resources engineer at BBA Water Consultants. Her experience includes water rights operations and evaluations, development and implementation of substitute water supply and augmentation plans, reservoir modeling, and alternative transfer methods. She also has experience with federal reserved water rights in California and throughout the Western U.S. Lauren is a licensed professional engineer in California and Colorado with a B.S. in Environmental Engineering from the University of Southern California. She has been involved with AWRA’s membership committee since 2022. When she is not working you can find her gardening, scuba diving, or weaving at her loom.
President-Elect
Abigail Wright
Abigail is a watershed scientist at Denver Water. She is the lead on Denver Water’s Holistic Watershed Plan and watershed water quality programs. Her technical expertise is in watershed water quality, cyanobacteria, and project management. She holds a B.A. from the University of Colorado Boulder in Ecology and Evolutionary Biology and a M.S. from the University of Denver in Environmental Policy and Management. She has served on the AWRA-CO Board of Directors since 2024. For fun, Abigail enjoys hiking, skiing, petting her dogs, and scuba diving.
Past President
Skylar Zilliox
Skylar is a water resources engineer at Brown and Caldwell, where her work primarily focuses on water rights and water resources in the American West. She has experience in historical consumptive use analyses, water supply planning, drought mitigation, and water rights valuations. Prior to her career in engineering, she worked in energy policy and sustainability; this work included several years at a large organic dairy, where she developed renewable energy projects, evaluated carbon emissions targets, and led a company-wide sustainability curriculum. Skylar has a B.A. in Liberal Arts from St. John’s College, as well as a B.S. in Engineering Physics and an M.S. in Civil and Environmental Engineering from Colorado School of Mines. If she’s not at her desk, she’s out having fun with her husband and two boys.
Treasurer
ANDREW CASE
Andrew is a licensed Professional Engineer in Colorado and has a B.S. in Environmental Engineering from Colorado State University and a M.S. in Civil Engineering from the University of Colorado-Denver. He has worked as a Water Resources Engineer since 2011, assisting mainly municipal clients with raw water master planning and Water Court litigation in the South Platte and Arkansas River basins. Andrew has been a member of AWRA Colorado since 2015.
Secretary
Nicholas Hoch
Nicholas Hoch joined the water industry at Bishop Brogden in October of 2023 after graduating from Colorado College with a Bachelor of Arts in Environmental Science. In previous roles, he has worked on river protection and restoration on the Arkansas and South Platte Rivers for watershed health nonprofits ARWC and CUSP. At BBA, Nicholas provides technical and project support for surface and groundwater related projects, engaging with stakeholder groups across the state to better understand the legal and structural systems that govern Colorado water use. Nicholas lives in Denver and spends his free time skiing, fishing, trying his hardest not to fall off his bike, and exploring Colorado with his friends and family.
Director at Large
HANNA ANDERSON
Hanna Anderson is a water resources engineer at Spheros Environmental (formerly LRE Water), where she is focused on water resource modeling and planning. Her experience includes water supply and demand modeling, water rights evaluation and litigation support, water resource operations management support, and hydrologic modeling. Hanna is a licensed professional engineer with a B.S. in Environmental Engineering from the University of Vermont. She is also currently involved in the News and Outreach Committee. When she is not working you can find her skiing, camping, on a beach, or crafting, most recently at a pottery wheel.
Director at Large
Devon Gibson
Devon is a water resources engineer at Brown and Caldwell with 5 years of experience working on federal, state, municipal, and private sector water, permitting, and site remediation projects. Her work encompasses a wide array of projects including water rights, water quality, environmental permitting, site remediation, and project management. She earned a B.S. in Environmental Engineering from Colorado School of Mines and has stayed in Golden, appreciating the small community and the outdoors. She spends her free time trail running, doing yoga, fostering dogs, and traveling.
Director at Large
Carly Zimmer
Carly is a Water Resources Engineer at AECOM with a strong background in a diverse range of water-related projects. Her expertise includes hydrologic and hydraulic modeling, sedimentation analysis, hydrologic routing of dams in support of risk assessment, and water supply planning, complemented by field experience. A native of Omaha, Nebraska, Carly completed her undergraduate studies at the University of Nebraska – Lincoln before pursuing her graduate degree at Colorado State University. Outside of work, Carly is passionate about hiking, pottery-making, and supporting local coffee shops. She is also dedicated to her professional growth and is working toward obtaining her Professional Engineer license this year.
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