Our Team

Steffens & Styka PC

Daniel M. Styka, CPA
Daniel Styka has over 20 years of experience in public accounting. He has spent the last 20 years serving clients in the construction and real estate industries and preparing individual income tax returns.
Dan graduated from St. Norbert College in DePere, Wisconsin with a Bachelor of Science Degree in Business Administration with an emphasis in accounting.  He passed the CPA exam in 1999 and has been a licensed CPA since. Dan is also a member of the Illinois CPA Society.
Dan founded Steffens & Styka PC in January of 2009 with his business partner Dennis Steffens.

Dennis R. Steffens, CPA
(December 19, 1944- January 15, 2016)
Founding Partner and Mentor

Jennifer Warren
Staff Accountant
Jennifer graduated from Eastern Illinois University in 2000 with a Bachelor of Business and Science with an emphasis in accounting. She passed the CPA exam in 2001. 
Jennifer has over 9 years of experience in private accounting. She has experience in the manufacturing and financial industries where she specialized in profitability analysis. Jennifer has extensive knowledge of Intuit Quickbooks, Microsoft Office and Outlook.

Cate Olson
Staff Accountant
Cate graduated from Roosevelt University Chicago in 1991 with a Bachelor of Science Degree in Accounting. She is currently working on her MSA at Roosevelt. 
Cate has over 8 years of experience in private accounting. She has experience in general accounting, including Property, Sales and Use tax, Payroll, Receivables, Payables and Credit Analysis. Cate has extensive knowledge of Microsoft Office, Outlook and QuickBooks. 

Mary Lou Danielson
Administrative Professional
Mary Lou greets our clients at the front desk, is the first voice you hear when you call our office and will direct your call to the person best able to serve your needs. Mary Lou, along with her highly competent administrative skills, is responsible for making sure our office runs smoothly. 
Mary Lou has over 30 years’ experience in the accounting industry servicing clientele and assisting the staff with various tasks. 
She has been with Steffens & Styka PC since its inception in January of 2009.

Patricia Cahill
Michael Cieslak