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Client reviews

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Practice Areas


  1. Tax: 45%
    39 years, 600 cases
  2. Litigation: 40%
    39 years, 1 thousand cases
  3. White Collar Crime: 10%
    21 years, 75 cases
  4. Corporate & Incorporation: 5%
    26 years, 250 cases

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Contact Info

7121 Darby Rd
Bethesda, MD, 20817

5335 Wisconsin Avenue Nw
Unit 440
Washington, DC, 20015



NYCurrently registered 199703/13/2015
DCActive 198105/24/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Outstanding AttorneyTax Division,US Dept. of Justice1993
Outstanding Attorney AwardUnited States Dept. of Justice1991
Outstanding AttorneyTax Division, US Dept of Justice1990
Attorney General's AwardUnited States Department of Justice1987
Outstanding Attorney AwardTax Division, US Dept of Justice1986
Attorney General's AwardDepartment of Justice1986
Outstanding AttorneyTax Division, US Department of Justice1983
Work Experience
TitleCompany NameDuration
Founder and PartnerGremminger Law Firm2007 - Present
Associate General Counsel + PrincipalKPMG LLP1994 - 2005
Assistant General CounselErnst & Young LLP1994 - 1994
Senior Trial Attorney, ReviewerUnited States Dept. of Justice, Tax Division1980 - 1993
Association NamePosition NameDuration
Small Firm and Solo Section, American Bar Assn.Member2010 - Present
American Bar AssociationTax SectionN/A
School NameMajorDegreeGraduated
American University, Washington College of LawLawJD - Juris Doctor1977
American UniversityInternational StudiesMA - Masters1973
University of California - Los AngelesPolitical ScienceBA - Bachelor of Arts1971