Representative Engagements on Expert Witnessing and Litigation Support

Attempt to Evade or Defeat Tax 
Willful Failure to File Return


United States v. Schimel, U.S. District Court for Eastern District of Missouri (2001). 
United States v. McDonald, U.S. District Court for Southern District of Mississippi (2007). 


Attempt to Evade or Defeat Tax
Fraud and False Statements

United States v. Figura, U.S. District Court for Western District of Missouri (2002). 

United States v. Jane Doe, U.S. District Court for Eastern District of Missouri (2006). 
United States v. Davidson, U.S. District Court for Eastern District of Missouri (2007). 
United States v. Sherman, U.S. District Court for Eastern District of Missouri (2008). ). 


Bank, Mail and Wire Fraud

United States v. Hartmann, U.S. District Court for Eastern District of Missouri (2008). 

Freedom of Information Act, Unauthorized Disclosure

Mona-Watson Clark v United States (Internal Revenue Service), U.S. District Court for the District of Hawaii (2008). 

Family Law

Bopp v Bopp, Saint Louis County Circuit Court (2004). 


Other

United States District Court – S.D. of New York 
1992, 1993 Government Witness


United States District Court – E.D. of Missouri 
1994, 1995, 1996 Government Witness

Mark William Sullivan, EA
Curriculum Vitae 


Representative Work in Non-Litigation Matters

Taxpayers, their lawyers or accountants have engaged me to assist them before the IRS Examination, Small Business/ Self-Employed (Collection), and Appeals Divisions in 
Arizona, California, Connecticut, Florida, Georgia, Illinois, Kansas, Kentucky, Massachusetts, Missouri, New York, New Jersey, Nevada, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Washington and Wisconsin re: complex administrative tax controversy, income, employment, levy and distraint, not-for-profit compliance, statutory and trust fund recovery penalty appeals. 


Experience


January 1998 to present: D R Sullivan & Company, CPA PC, formerly known as Sullivan Consulting – Tax Controversy Group. 
July 1991 to March 1996: Internal Revenue Officer, Internal Revenue Service. Manhattan District – New York, NY; Kansas/ Missouri District – Saint Louis, MO; Capitol Office – Washington, DC


Education

Bachelor of Arts Sociology, major in international relations (1991), Saint Louis University, St. Louis, MO.

Licenses

Enrolled Agent: U.S. Treasury No. 64844 (January 7, 1998)


Attorney References

Paul D’Agrosa - Wolff & D’Agrosa
Burton Shostak - Shostak & Shostak, LLC
Grant Shostak - Shostak & Shostak, LLC
N. Scott Rosenblum – Rosenblum, Schwartz, Rogers, Glass, PC
Gilbert Sison - Rosenblum, Schwartz, Rogers, Glass, PC
Sara Neill – Capes, Sokol, Goodman & Sarachan, PC
Cheryl Bee-Snell – Dana McKitrick, PC
Mardi Montello – Curtis, Heinz, Garrett & O’Keefe, PC
Harry Charles, MBA, JD, LLM 
John D. Stobbs, II Esq.
Steven R. Welby, Esq.
Alan Veatch – Campbell, Hornbeck, Chilcoat & Veatch, LLC
Daniel Ryan - Campbell, Hornbeck, Chilcoat & Veatch, LLC
Jeffery Chilcoat, Esq. – Sterling Sports Management
Howard Smotkin – Stone, Leyton & Gershman, LLC
Craig Concannon, Esq.