Terri Lillesand

P: 920-803-3135

Terri has extensive tax experience including compliance and planning work for corporate, individual, partnership, non-profit and fiduciary taxpayers; compliance and planning for state and local tax issues; representation of taxpayers before the Internal Revenue Service and state departments of revenue; and presentation of speeches and seminars to clients and professionals.

Terri has been with Schenck since 1991, became a shareholder in 2003, and was named head of Schenck’s firm-wide tax practice in 2014. Prior to joining the firm, Terri spent three years in the tax department of a large international firm.


  • Given more than 150 presentations to local, state-wide, national and international organizations on a variety of topics including health care reform, tax planning, and net investment income tax


University of Wisconsin–Madison, BBA, Accounting

Professional memberships

  • Wisconsin Institute of Certified Public Accountants, Board Member
  • American Institute of Certified Public Accountants, Affordable Care Act Task Force Member   

Community involvement

  • Sheboygan County Chamber of Commerce, President and Board Member
  • Sheboygan Economic Club
  • Amazing Grace Equine Sanctuary, Volunteer
Terri Lillesand's Recent Articles View all

Tax Central Alert: Bonus depreciation to drop in 2018

Remember that bonus depreciation is expected to drop in 2018, unless new legislation is passed.

Read More

Tax Central Alert: Plans to repeal and replace ACA compared

Learn how the Affordable Care Act compares to two pieces of legislation designed as repeal and replacement plans.

Read More

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“It is nice to work with a regional accounting firm that is focused on companies our size. We are treated like an 'A' client. Our audit committee is impressed with Schenck’s candid feedback and the strategic direction they provide. The leaders on the job are consistent and take the time to understand our business and our goals.” - Bob Kamphuis, CEO, President, Chairman of the Board, Mayville Engineering Company, Inc.
“Schenck has served as a key player in FEECO’s success over the years. Our business has grown and expanded to serve new markets, and Schenck has the depth of personnel to continue to meet our increasingly complex accounting and tax needs. I appreciate their timely and responsive service throughout the year.” - Dan Madigan, President, FEECO International
“Schenck has provided invaluable service and advice to me, to Johnsonville Sausage, and to the entire Stayer family for the past 11 years. I have found the Schenck team to be extremely proactive in strategy and their client service is second to none. They are more than an accounting firm; they are true partners in our success.” - Ralph Stayer, CEO, Johnsonville Sausage, LLC