Karen Stuart, Executive Director

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Smart Commute’s Executive Director Karen Stuart is a former mayor of the City and County of Broomfield known for her regional collaboration and strong support of FasTracks. While in elected office, she served as chair of the Northwest Parkway Public Highway Authority and had leadership roles with the Denver Regional Council of Governments, the U.S. 36 Mayors and Commissioners Coalition, and the Metro Mayors Caucus. In 2017, she was appointed by Governor John Hickenlooper to the Colorado State Transportation Commission representing District 4, which includes Adams, Broomfield and Boulder Counties.

Karen holds a Bachelor of Science degree in sociology and economics from Marymount College, along with a leadership certificate from the Senior Executives in State and Local Government Program from the John F. Kennedy School of Government at Harvard University. Ms. Stuart and her husband, Vince Buzek, and their two golden retrievers reside in Adams County.


Catherine Sanders, Senior Program Manager

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Catherine grew up locally in Thornton, Colorado, but was exposed to vastly different transportation networks during college while attending Louisiana State University in Baton Rouge and the University of Michigan in Ann Arbor. While in Michigan, Catherine worked for the City of Ann Arbor and helped support the non-motorized transportation program, where she fell in love with the challenges of inspiring behavior change in the transportation realm. In 2010, Catherine moved back to Colorado and settled in Northglenn. Since returning, she has worked at 36 Commuting Solutions and the Denver Regional Council of Governments. Catherine and her husband have four children.


Tammy Herreid, Program Manager

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Originally from New Mexico, Tammy graduated from the University of New Mexico with a Bachelor in Business Administration with a concentration in marketing. Her first job in transportation in Albuquerque led her to Colorado, launching a 20-year career focused on marketing, design, business development and public information in the transportation industry. She has shared her expertise in this field with large international engineering firms, a mid-sized national construction firm and smaller local transportation companies. Having lived exclusively in the metro north, she has seen how the area has boomed and how transportation improvements are drastically needed. She is excited to work with Smart Commute at the forefront of transportation transformation in the metro north area. Tammy resides in Adams County and enjoys exploring the beauty of Colorado with her husband.


Carson Priest, Director of Program Management

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A native of Nashville, Tennessee, Carson graduated from Furman University with a bachelor’s in political science and went on to complete his masters in public administration from American University. Carson comes to Smart Commute with both political and policy experience through his work on various political campaigns, including the 2018 Proposition 110 legislative effort to increase funding for Colorado’s transportation system. Carson has carried his passion for effective and forward-thinking transportation policy solutions with him throughout his career and will continue to pursue that passion in the metro north area. He lives in Golden and enjoys pursuing all things outdoors with his wife.