Meet The Team

Jennifer Hoffman

City and County Manager


Direct 303.438.6355

Jennifer holds a Master’s of Public Administration from the University of Colorado at Denver and has a Bachelor’s of Science degree in Criminal Justice. Her prior experience includes holding the position of Chief Public Relations Strategist and Project Manager for Monaghan & Associates, Inc., in Denver, a public affairs and governmental relations firm. Her duties included designing and developing comprehensive implementation strategies for public and private projects and ensuring ongoing client satisfaction and retention rates. 

She has more than 20 years of service to Broomfield, serving in various capacities; from 1999-2005 she served as the Director of the Combined Courts and transitioned in 2006-2009 to leading and directing state/federal government lobbying efforts. In September 2009 she assumed the newly created position of Assistant to the City and County Manager - duties include city/county-wide overall management functions while continuing to lead Broomfield’s state/federal lobbying efforts. In 2013 Jennifer assumed the position of Director of Communications and Governmental Affairs department, and she was promoted to Assistant City and County Manager in 2015. In August 2019, Jennifer became the first woman City and County Manager after a nationwide recruitment process. 

She is a member of the International City/County Management Association (ICMA), Colorado City/County Management Association (CCCMA), Colorado Municipal League (CML), Colorado Counties Inc. (CCI),  Metro Area County Commissioners (MACC), Association of Research Science Parks (AURP), and Colorado BioScience Associations.

Abby Yellman

Abby Yellman

Assistant City and County Manager


Abby holds a Master’s in Library and Informational Sciences from the University of Missouri-Columbia and has a Bachelor’s of Arts degree in History. 

Abby has served Broomfield for the past four years in various capacities; from 2016-2019, she served as the Director of the Library and Cultural Affairs, and transitioned in 2019 to leading and directing the People, Innovation and Engagement team which included Human Resources and Payroll, Engagement and Innovation, as well as the Citizen’s Assistance Center.  Abby is a skilled team builder and problem solver who has proven abilities in transforming projects and teams.

In July 2020, Abby was appointed to the Assistant City and County Manager position.  Duties include city/county-wide overall management functions, direct oversight and support of Broomfield departments and staff, as well as support and assistance to both City Council and the Broomfield community.  

Abby is a member of the Society for Human Resource Management and the American Library Association.

David Allen

Director of Public Works David Allen

Assistant City and County Manager


After serving as the Director of Public Works in Broomfield for the past nine years, David Allen is excited to join the executive management team as an Assistant City and County Manager. Through his leadership as the Broomfield Director of Public Works, David has successfully directed the department's activities and introduced innovations and efficiencies to better serve Broomfield residents.  Most recently, as the Physical Infrastructure Pillar Lead, David has also developed relationships with and fostered collaboration across the organization including the following city and county departments: Assessor, Clerk and Recorder, Community Planning and Development, Economic Vitality, Public Works and Engineering, and Strategic Initiatives. 

With an eye on Broomfield’s future, David is eager to participate in a broader capacity to support the programs and services offered by Broomfield, and to help shape the future of the organization and the community we serve.

Prior to Broomfield, David worked as the Director of Public Works and Utilities, and Acting City Manager at the City of Northglenn and as the Water Planning and Resources Manager at the Anaheim Public Utilities Department in California. 

David has a Master of Science in Water Resources from the University of Southern California, a Bachelor of Science - Civil Engineering from Colorado State University, and is a registered civil engineer in both Colorado and California.