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About me

Gary M. Slavett is a principal of Holtz, Slavett & Drabkin, A Professional Law Corporation. Gary’s practice focuses on tax controversy matters including audit representation, administrative appeals, tax litigation, and criminal tax defense.  Gary frequently represents his clients before the United States Tax Court, Internal Revenue Service, California Franchise Tax Board, State Board of Equalization, and the Employment Development Department.


Gary was a Senior Trial Attorney for the Internal Revenue Service, Office of Chief Counsel.  As an IRS attorney, Gary represented the IRS in U.S. Tax Court and provided legal advice to IRS personnel.  Gary was assigned to, and advised, two groups of Criminal Special Agents with respect to the development and referral of criminal tax cases.  Gary was designated the IRS Chief Counsel liaison to the Los Angeles Office of the Taxpayer Advocate where it was his responsibility to provide legal advice to the Los Angeles Taxpayer Advocate.  Gary was also designated Acting Associate Area Counsel to act as the direct supervisor to trial attorneys and paralegals.  Gary’s litigation practice at the IRS included assignments to high profile cases and covered numerous substantive areas of tax law including income taxes of individuals, partnerships, and corporations, estate tax, interest abatement, innocent spouse, employee classification, and collection due process.


After leaving the IRS, Gary joined Deloitte & Touche’s Tax Controversy Group in Los Angeles.  At Deloitte, Gary represented Deloitte’s clients before the IRS and state taxing authorities.  Clients included Fortune 500 companies from the banking, healthcare, and toy industries, a professional sports team, a popular television personality, and regional real estate and construction firms.

Gary received an LL.M. in Taxation from New York University School of Law, a J.D. from the University of San Diego School Law, and a B.S. in Business Administration, cum laude, with a major in accounting from the University of Arizona (Tucson). Gary has been an adjunct professor of tax law at Golden Gate University School of Tax where he taught Advanced Federal Income Tax and Tax Research.  Gary currently teaches continuing education courses to California registered tax preparers.


Photos and videos

73514 1263976460

Practice areas


  1. Tax: 100%
    19 years


Payment types:

Check, Credit card

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • Andrew Bryan Holmes

    Gary has been an invaluable resource for me with regard to all things tax-related, and has helped me help my own clients in their tax matters. I endorse him wholeheartedly.


    Andrew Holmes Litigation Attorney
    Relationship: Fellow lawyer in community

  • Igor Drabkin

    I endorse this lawyer's work.


    Igor Drabkin Tax Attorney
    Relationship: Co-worker

Contact info

Holtz, Slavett & Drabkin, APLC

315 S. Beverly Drive
Suite 515
Beverly Hills, CA, 90212


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top LawyersSuper Lawyers2015
Top LawyersSuper Lawyers2014
Top LawyersSuper Lawyers2013
Top LawyersSuperLawyers2012
Top LawyersSuperLawyers2011
Top Lawyers - Rising StarSuperLawyers2010
Top Lawyers - Rising StarSuperLawyer2009
Work experience
TitleCompany nameDuration
PartnerHoltz Slavett & Drabkin2006 - Present
Senior ManagerDeloitte & Touche2003 - 2005
Adjunct ProfessorGolden Gate University School of Tax2001 - 2009
Tax AttorneyInternal Revenue Service1999 - 2003
Tax AttorneyBranton & Wilson, Apc1997 - 1999
Association namePosition nameDuration
Beverly Hills Bar AssociationTax Section Executive Committee2015 - Present
State Bar of California, Taxation Section, Tax Procedure and Litigation CommitteeMember2003 - Present
Los Angeles County Bar Association, Taxation SectionMember2001 - Present
American Bar AssociationMember1996 - Present
State Bar of California, Taxation SectionMember1996 - Present
Legal cases
Case nameOutcome
Chapman Glenn v. CommissionerN/A
Wenner v. Commissioner of Internal RevenueN/A
Gealer v. CommissionerN/A
See all legal cases 
School nameMajorDegreeGraduated
New York University School of LawTaxationLL.M - Master of Laws1997
University of San Diego School of LawLawJD - Juris Doctor1996
University of ArizonaAccountngBS - Bachelor of Science1992
Speaking engagements
Conference nameTitleDate
USC School of Law 2016 Tax InstituteTax Practitione Penalties SEction 6694, Circular 230, and Beyond2016
UCLA Tax Controversy InstituteEffectively Resolving and IRS Appeal2014
UCLA Tax Controversy InstituteTax Collection Techniques2013
46th Annual Litigation SeminarWar Stories from the Estate Litigation Crypt2013
2013 IRS Valuation SummitMock U.S. Tax Court Trial on Gifting of Real Estate - Valuation Issues2013
Internal Revenue Service Continuing EducationSummons Enforcement2001