John Wisniewski

P: 920-996-1204

John’s experience includes extensive involvement in the planning, supervision and review of various audit and review engagements in the manufacturing/wholesale, construction and agricultural and food processing industries, including consolidated and combined financial statements, and the preparation of corporate tax returns, including consolidated and multi-state returns. He is also experienced in management consulting. 

John is a leader of Schenck’s Agricultural and Food Processing industry team and a member of Schenck’s Manufacturing/Distribution industry team.

John has been involved in the analysis of business acquisitions, and has investigated fraud and employee embezzlement.

He joined Schenck in January 1986, and became a shareholder in January 1999.


University of Wisconsin—Whitewater, BBA, Accounting, graduated Cum Laude

Professional memberships

  • Wisconsin Institute of Certified Public Accountants
  • American Institute of Certified Public Accountants
  • Associate Member of Association of Certified Fraud Examiners


John was on a panel of professionals assembled by the Milwaukee Business Journal to explore ESOPs, including their advantages, how they work, who should consider them and how they can be structured. Read The ESOP Advantage: Flexibility and tax savings benefit owners and employees.

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