Bio
Mark L. Stone is the Managing Partner of Sales Tax Defense LLC since 2006. The firm specializes in Sales and Use Taxes. Mark's work as a New York State Tax auditor as well as a Tax Manager/Principle at several prominent accounting firms over the past 30 years has earned himm a reputation as one of the top professionals for multi-state Sales and Use Taxes. He is a frequently invited by various organizations to speak on Sales & Use Tax issues and serves as an Expert witness testifying in tax court on behalf of clients Mark was also an adjunct professor at Long Island University C.W. Post.
