Member: American Institute of Certified Public Accountants
Mark Widmann graduated from the University of Wisconsin - Milwaukee with a Bachelor of Business Administration - Accounting degree in 1977. He began his career in 1978 with the accounting firm of Alexander Grant & Company, working on the audit and tax staff.
In 1980, Mark became a highly valued member of the accounting firm of Donald Tushaus & Company for 19 years. While providing an impressive array of accounting, tax and advisory services to individuals and closely held businesses, Mark became a partner in 1991 until his departure in 1999.
Mark has been a shareholder with Sitzberger Widmann & Company since 2000, continuing to validate his excellent reputation of personal service, talent and expertise. He is a Past Chairperson of the Waukesha Practitioners WICPA Group, and resides in Waukesha with his wife, Joan, and their son, Jarrod.