Contact Us

Multistate Tax Commission
444 North Capitol Street, N.W., Suite 425
Washington, DC 20001
Phone: (202) 650-0300
mtc@mtc.gov

  • Executive Director,  Gregory S. Matson
  • Deputy Executive Director,  Scott Pattison
  • Director of Administration,  William Six
  • General Counsel,  Nancy Prosser
  • Deputy General Counsel,  Lila Disque
  • Legislative Counsel,  Thomas K. E. Shimkin
  • Uniformity Counsel,  Helen Hecht

Joint Audit Program
444 North Capitol Street, N.W., Suite 425
Washington, DC 20001
Phone: (312) 913-9150
  • Director, Joint Audit Program,  Holly Coon
  • Field Audit Supervisor,  Jeff Silver
  • Field Audit Supervisor,  Cathy Felix
  • Field Audit Supervisor,  Larry Shinder
  • Field Audit Supervisor,  Steve Yang

National Nexus Program
444 North Capitol Street, N.W., Suite 425
Washington, DC 20001
Phone: (202) 695-8140
nexus@mtc.gov
  • Director, National Nexus Program,  Richard Cram