Deb is a member of the firm's Tax Practice Group. Deb works with clients on a variety of state and federal tax areas including controversy and settlement negotiations, refund reviews, tax restructuring and planning.


Deb has significant experience in conducting refund reviews and frequently uses this experience in finding offsets in audits. She assists clients with tax planning including working with various client operational groups to align tax and business objectives and/or to obtain documentation for various tax positions.


Deb regularly helps clients with multistate considerations such as nexus studies, proper filing methodologies, etc.  Deb has worked with clients in various industry groups and has developed particular experience in the financial services and utility industries.


Prior to joining the firm, Deb was a Director at PricewaterhouseCoopers (PwC) where she worked for 16 years. Prior to leaving PwC, Deb led the Columbus large company tax practice and served as the lead contact for several Columbus based companies.  She assisted clients with a variety of federal and state tax considerations including tax planning, corporate restructurings, federal and state controversy, corporate compliance, financial statement audits, etc.

Contact Information

614-349-4813 (Direct)

614-595-5560 (Mobile)

614-326-1120 (Office)


Cases / Matters

  • Led the defense of multiple Fortune 100 and Fortune 500 company audits including negotiation of multimillion dollar settlements at the Department level.  Defended audits in income/franchise, commercial activity, municipal income, and sales/use taxes.

  • Worked on numerous federal, state and local refund reviews identifying multimillion dollar savings and securing refunds through the various taxing agencies.  Obtained significant experience in the financial services, utility, manufacturing, and retail industries. 

  • Reviewed companies' activities for new Ohio financial institution and dealer in intangibles provisions, including any opportunities. 

  • Negotiated Voluntary Disclosure Agreements (“VDA”) in various states including use of the programs in non-traditional situations such as to avoid throwback in another state and/or to settle an overall liability not typically within the VDA program.

  • Evaluated companies' activities for FIN 48 purposes including whether level of authority available. 

  • Assisted clients in evaluating the appropriate tax treatment of various activities including leading meetings with operational groups to understand the underlying business and gather supporting detail. 

  • Researched and analyzed of state liabilities through a 50 state matrix, including nexus determinations for FIN 48 purposes, taxation of financial institutions and/or affiliates, unitary analysis, pass-through entity tax requirements, tax return filing, etc. 

  • Led state restructuring projects including working with operational groups to align tax objectives with the underlying business, identification of business and tax considerations, drafting of various tax memorandums including federal and state opinions, etc.

  • Assisted with burden analysis for credits and incentives including identification of opportunities to negotiate non-statutory benefits to limit overall tax liability.


  • Capital University Law School - LLM In Taxation (December, 1996).

  • Capital University Law School - Juris Doctorate (May, 1996).

  • The Ohio State University BSBA in Accounting (1993).

Bar Admissions

  • Ohio

  • Also Certified Public Accountant in Ohio

Professional Associations

  • American Institute of Certified Public Accountants

  • Columbus Bar Association

  • Presenter, various Ohio and multistate topics, Ohio Tax Conference (January, 2005-2008, 2010).

  • Presenter, Multistate Tax Update, Ohio Society of CPAs (December, 2009).

  • Multistate Tax Update, Tax Executive Institute Columbus-Dayton-Cincinnati Chapter (All Day Event) (April, 2009).

  • Municipal Withholding on Traveling Judges, Ohio Judicial Training (March, 2009).

  • FIN 48 Update, Dallas Tax Executive Institute (April, 2007).

  • Multistate Tax Update, Florida IPT (June, 2007). 

  • Federal Tax Research and Writing and Multistate Tax Updates, Columbus Association of Tax Professionals (January, 2004 and April, 2006).

  • Ohio Treatment of Bonus Depreciation, Manufacturer’s Education Council (Spring, 2003).

Community Activities

  • Adjunct Professor, Federal Tax Research and Writing, Capital Law School - 2000-2004.

  • Co-Chair, Business Tax Committee, Columbus Bar Association (2004-2005) (Member since 1998).

  • Chair, Barrister Leader Program (2000-2001); Participant (1999-2000).

  • Co-Chair, Ohio Financial Institution Conference (2002).

  • PwC Bowl-a-Thon team for Big Brothers/Big Sisters (1998-2002)

  • PwC Chair for the March of Dimes Walk-a-Thon (2000-2002).

Zaino Hall & Farrin LLC

41 South High St.

Suite 3600

Columbus, OH 43215


​In particular, Deb excels at conducting federal and multi-state refund reviews for clients looking to improve cash flow or review their current tax positions.  Deb led PwC's Ohio tax efforts nationally including negotiation of multiple Fortune 100 and 500 company audit settlements.  She frequently used her refund review experience as offsets in Ohio and other state audits or to argue alternative positions.  Deb handled the legislative analysis for the firm and acted as a national resource for other offices.  She drafted updates that were circulated internally and to clients.  Deb spoke regularly on client webcasts introducing new Ohio legislation, as well as, on federal and multistate tax considerations for internal PwC trainings.


​Deb served as the chair of PwC's local Women's Networking Circle for two years and the board for two additional years.  The group was aimed at mentoring women in public accounting and providing them networking and support opportunities.  She was voted coach of the year for the Ohio-Kentucky-Indiana cluster of PwC in 2009, the first year the award was offered.


​Deb is a frequent speaker and served as an adjunct professor at Capital University Law School.

Debora (Dardinger) McGraw, JD, CPA, LLM


Zaino Hall & Farrin LLC

41 South High Street, Suite 3600
Columbus, Ohio 43215


855-770-1120 (toll free)

Fax: (614) 754-6368

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