Mary Olsen
Credentials: CPA
Mary OlsenĀ has been working with Tax School since 2019. She is a tax consultant and business strategist with over 35 years of experience in the tax, accounting, and finance industries. While in the corporate world, she worked with the accounting firm Ernst and Young as well as AkzoNobel. Today she operates a tax practice in St. Charles, Illinois. She received a BS in Accountancy from the University of Illinois, Champaign and has taken MST courses at Northern Illinois University. She has been associated with Tax School since 2010.