Caitlyn Frenzer

Frenzer, Caitlin Associate

Frenzer, Caitlin Associate

Practice Focus

Caitlin focuses her practice on providing general counsel services to local governmental bodies. Caitlin represents clients on a variety of matters including zoning, contracts, employment, economic development, intergovernmental agreements, compliance with the Illinois Freedom of Information Act and Illinois Open Meetings Act, drafting legislation and policy.

Professional Background

Prior to joining Tressler, Caitlin served as general counsel for municipal and school district clients. She provided litigation services, liability defense, labor and employment support and land use counsel. She also acted as local prosecutor for misdemeanor offenses, ordinance violations, traffic court calls and administrative hearings on behalf of her municipal clients. Caitlin participated in collective bargaining with unions on behalf of school district clients. She assisted in the negotiation of payment of claims on behalf of municipalities for damages with responsible parties and insurers.

Memberships & Affiliations

Illinois State Bar Association
Chicago Bar Association
Women’s Bar Association of Illinois
Illinois Local Government Lawyers Association


Recent Articles and Blogs


Presentations & Events


  • “So You Want To Stay Out Of Jail?,” IAPD/IPRA Soaring to New Heights Conference, Chicago, January 26, 2024
  • "Are You Allowed to Do That? What Local Government Leadership Must Know About Ethics Requirements," 110th Annual Conference of the Illinois Municipal League, Chicago, September 22, 2023