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About me

Igor S. Drabkin is a Certified Tax Specialist and a principal of Holtz, Slavett & Drabkin, A Professional Law Corporation. Igor devotes his skills and experience to representation of clients in disputes with the Internal Revenue Service and State taxing authorities, both administratively and in court. He litigates cases in all federal and state courts, including U.S. Tax Court and U.S. Bankruptcy Court. In addition, Igor represents clients in tax audits, fraud and criminal investigations, appeal, and collection matters. He is also experienced in bankruptcy tax issues.

As a Senior Trial Attorney for the IRS, Igor litigated many complex tax cases, including those which involved unreported income and fraud issues. In addition, he served as an area coordinator and advisor to IRS Fraud Referral Specialists, being responsible for selection and development of tax fraud cases, and establishing sufficient proof for penalties and potential criminal prosecution by the U.S. Attorney’s Office. As a Special Assistant United States Attorney, Igor represented the government in bankruptcy cases which involved tax issues. Igor’s experience is invaluable in dealing with all tax collection issues, including bankruptcy as well as offers in compromise, installment agreements, and negotiation of release of liens and levies. Igor is an Adjunct Professor for the Golden Gate University’s Graduate School of Taxation, teaching courses in Advanced Federal Income Taxation and Tax Research & Procedure.

Igor received his Juris Doctor degree, cum laude, from Pepperdine University School of Law. While in law school, Igor served as a judicial extern to the Honorable Thomas B. Donovan of the U.S. Bankruptcy Court for the Central District of California. Igor received his Bachelor’s degree in Finance from the California State University, Northridge. Igor is fluent in Russian.


Languages spoken: Russian

Photos and videos

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Practice areas


  1. Tax: 75%
    17 years
  2. Tax Fraud & Tax Evasion: 20%
    17 years
  3. Chapter 7 Bankruptcy: 5%
    17 years



Hourly ($400-450/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

9 total 

Are you an attorney? Endorse this lawyer

  • David B Golubchik

    I endorse this lawyer. As a former IRS attorney, he is very knowledgeable and helpful.


    David Golubchik Chapter 11 Bankruptcy Attorney
    Relationship: Fellow lawyer in community

  • Howard Rosenblatt

    I endorse this lawyer.


    Howard Rosenblatt Tax Attorney
    Relationship: Fellow lawyer in community

Contact info

Holtz, Slavett & Drabkin

315 S. Beverly Drive
Suite 515
Beverly Hills, CA, 90212-4316


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerSuper Lawyers Magazine2013
Super LawyerSuper Lawyers2012
Rising StarSuper Lawyers Magazine2011
Rising Star, Tax LawSuper Lawyers2010
Rising Star in Southern California Tax LawSuper Lawyers2009
Certified Tax Law SpecialistBoard of Legal Specialization, State Bar of CaliforniaN/A
Work experience
TitleCompany nameDuration
Adjunct ProfessorGolden Gate University2001 - Present
Special Assistant U.S. AttorneyUnited States Attorney's Office, Tax Division2000 - 2007
Senior Trial AttorneyInternal Revenue Service, Office of Chief Counsel1999 - 2007
Association namePosition nameDuration
Beverly Hills Bar Association, Bankruptcy SectionExecutive Committee2007 - Present
Beverly Hills Bar Association, Taxation SectionMember2007 - Present
Los Angeles County Bar Association, Taxation SectionMember1999 - Present
Legal cases
Case nameOutcome
David Dung Le, M.D., Inc. v. Commissioner, 114 T.C. 268 (2000)Victory
Le v. Commissioner, T.C. Memo. 2003-219Victory in fraud case
Boyd v. Commissioner, T.C. Memo. 2002-46N/A
See all legal cases 
School nameMajorDegreeGraduated
Pepperdine University School of LawLawJD - Juris Doctor1998
California State University, NorthridgeFinanceBS - Bachelor of Science1995
Speaking engagements
Conference nameTitleDate
Strafford Publications WebinarLatest FBAR Voluntary Disclosure and Impending FATCA Reporting Duties2012
Strafford Publications WebinarReport of Foreign Bank and Financial Accounts: Preparing for 2011 Filings2010
Changing Face of Foreign Asset ProtectionIRS Enforcement of Offshore Accounts and Assets2010
26th Annual UCLA Tax Controversy InstituteEmployment Tax Examinations and Investigations; Worker Classification Tools and Techniques2010
Minimizing Business Taxes in BankruptcyBankruptcy and Taxes2009