Anna N. Hanson
Chief Marketing Officer
Anna is Chief Marketing Officer at Tressler LLP. Prior to joining Tressler in 2017, Anna served as Marketing Manager at a Chicago-based digital marketing agency. She also has experience working in social media strategy, event management, website development, and is a published author. She is originally from Boulder, Colorado. Anna holds an M.A. in Communication and Training & Development with Suma Cum Laude honors and a B.A. in Communication and Spanish with Magna Cum Laude honors from DePaul University.
Jill L. Jennings
Director of Legal Operations
Jill Jennings joined the firm in 2002. She worked as an associate and then as a partner in our Chicago office. Jill's practice focused on aviation, insurance coverage, toxic tort, and general civil and commercial litigation. She became the Director of Recruiting and Professional Development in 2016 and Director of Legal Operations in 2018. Jill received her B.S degree from Oklahoma City University with Suma Cum Laude honors and her J.D. from Loyola University of Chicago with Cum Laude honors.
Daniel J. King
Dan King has worked at Tressler for more than 6 years. He is from Indiana and graduated from Purdue University with a double major in Accounting and Finance. Prior to Tressler, Dan was the Accounting Supervisor at Enterprise Rent-A-Car for 7 years. He currently lives in St. John, Indiana with his wife, Amy. When not in the office, he enjoys playing softball and spending time on the couch with his dog, Buehrle.
Robert Sullivan, CPA
Chief Financial Officer and Chief Operations Officer
Rob Sullivan is Tressler’s Chief Financial Officer and Chief Operations Officer. He is a business leader who brings extensive experience in financial management, risk management, and commercial financing to the firm. Rob joined Tressler in 2017 after spending 16 years in the banking industry. He most recently served as CFO, COO and Director for Oak Bank in the Gold Coast neighborhood of Chicago. Rob is results-oriented with a focus on efficiency, cost reduction and revenue enhancement. Rob holds an MBA in Risk Management & Finance from Loyola University and a B.S. in Accountancy from the University of Illinois.
Billing and Collections Manager
Audrey joined Tressler as the Billing and Collections Manager in September 2018. Audrey has worked in the legal billing field for more than 25 years. Most recently, she worked at Jones Day and prior to that, she served as Billing Analyst at Winston & Strawn. She holds a BA in Economics from the University of Michigan and is originally from the Detroit area. When not in the office, Audrey enjoys yoga and spending time with her family.
Lori Trejo has worked at Tressler for 25 years. She worked her way up from a file clerk to her current position of Billing Coordinator. She is from Mississippi but moved to Chicago her freshman year of high school and attended Wisconsin Lutheran College. Lori currently lives in Tinley Park with her husband (Jorge), her children (two boys and one girl), mom and brother. She also has several animals which includes a Great Dane mix, a cat, a hamster, two birds and a tarantula. When not in the office, she enjoys cooking, nature walks and spending quality time with her family.
Director of HR and Office Management
Chris Wilson is the Director of Human Resources & Office Management. Chris joined Tressler in 2016 after working many years at Sidley Austin. She utilizes a proactive approach to set goals and meet deadlines. Chris handles direct report coaching and supervision, performance management, dispute resolution, performance evaluation, employee relations, development and training, project management, and staff recruiting for all offices. Chris also oversees the firm’s medical and benefits plans. She received her BSA from Roosevelt University and the University of Phoenix. She also holds a MSHRM degree from Roosevelt University.