Mark L. Vorsatz, the CEO of WTAS, has extensive experience in designing estate and tax planning strategies for high net worth clients, many of whom founded public companies or owned closely held businesses. He is a member of the American Institute of Certified Public Accountants, the California State CPA Society, the ABA Section on Taxation, and the San Francisco Estate Planning Council. He graduated from Stanford University and the University of California, Hastings College of the Law.