Industry Expertise

Practice Focus


Adam has been providing state and local tax services for public and privately held clients since 2005. He routinely assists clients with Washington tax matters in the areas of audits and appeals, refund requests, voluntary disclosure and amnesty, letter rulings, tax planning and structuring, tax incentives, and nexus analysis. Adam also assists clients with multistate income and franchise tax matters in the areas of state income tax compliance, refund requests, letter rulings, nexus, filing methodology and apportionment analysis, audits and appeals, planning and structuring, and voluntary disclosure. Furthermore, Adam assists clients with multistate sales and use tax matters in the areas of nexus, taxability analysis, refund requests, letter rulings, audits and appeals, and voluntary disclosure.

Adam has a broad range of state and local tax experience in the following industries: software and technology, telecommunications, life sciences, professional services, construction and real estate, manufacturing and consumer products, banking and financial services, and broker-dealer and asset management services.

Selected Publications

  • "State & Local Tax Guide 2021" (Moss Adams Insight, June 2021)
  • "Washington State Legislature Approves Excise Tax on Capital Gain Income" (Moss Adams Alert, April 2021)
  • "Seattle City Council Passes Payroll Expense Excise Tax " (Moss Adams Alert, August 2020)
  • "Washington State Expands Eligibility Requirements for Voluntary Disclosure" (Moss Adams Alert, July 2020)
  • "California Extends Sales and Use Tax Return Filings Due to COVID-19" (Moss Adams Alert, April 2020)
  • "Get the latest information from the Washington Department of regarding its response to the COVID-19 Pandemic" (Moss Adams Alert, March 2020)
  • "Washington Increases Enforcement of Premium Tax for Captive Insurers" (Moss Adams Alert, October 2019)
  • "May 31 Deadline for Washington’s Required Annual Tax Performance Report" (Moss Adams Alert, May 2019)
  • "2019 Washington State Legislative Session Update for Businesses and Individuals" (Moss Adams Alert, May 2019)
  • "Washington State Bill Modifies Nexus Thresholds, Obligations, and Tax Exemptions" (Moss Adams Alert, April 2019)
  • "M&A Exit Resources and Key Q3 Updates for Technology, Communications and Media, and Life Sciences Companies" (Moss Adams Alert, October 2018)
  • "Washington Will Begin Collecting Sales Tax from Out-of-State Sellers on October 1, 2018" (Moss Adams Alert, September 2018)
  • "Sales Tax Nexus Change" (Moss Adams Alert, August 2018)
  • "Universal Service Fund Support Distributions Are Subject to Washington’s Business and Occupation Tax" (Moss Adams Alert, July 2018)
  • "Washington Marketplace Fairness Reduction Program" (Moss Adams Alert, May 2018)
  • "City of Seattle Imposes Employee Hours Tax" (Moss Adams Alert, May 2018)
  • "Texas Refund Requests Are Due in April for Cable Television, Internet Access, and Telecommunications Service Providers" (Moss Adams Alert, March 2018)
  • "Seattle Sweetened Beverage Tax Exemptions" (Moss Adams Alert, March 2018)
  • "Washington B&O Tax Advisory for Telecommunication Support Payments" (Moss Adams Alert, February 2018)
  • "Washington's New Marketplace Fairness Legislation Is Effective as of January 1, 2018" (Moss Adams Alert, January 2018)
  • "Seattle Income Tax Ruled Invalid" (Moss Adams Alert, December 2017)

Selected Speaking Engagements

  • State Tax Update
    (38th Annual Region IX/X Conference, Tax Executives Institute, Portland , May 2016)
  • State Tax Issues for Investment Managers, Broker-Dealers and Leasing Companies
    (Beyond the Money webcast series, Moss Adams LLP, March 2015)
  • State Tax Issues for Financial Institutions
    (Beyond the Money webcast series, Moss Adams LLP, March 2015)
  • State and Local Tax Update
    (9th Annual Conference for NW Manufacturing and Consumer Products Companies, November 2014)

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, Department of Accounting Advisory Board, Western Washington University
  • Member, Tax Section of the American Institute of Certified Public Accountants
  • Member, Washington Society of Certified Public Accountants


  • BA, accounting, Western Washington University
  • MPAcc, taxation, University of Washington