Construction & Real Estate

Andrew K. Venzke, CPA

Andrew Venzke is tax supervisor with Thompson Greenspon and joined the firm in January of 2020. Prior to joining the firm, he worked for a small firm out in Leesburg for over 3 years. Andrew provides tax services for real estate professionals, construction firms, and closely held businesses. His experience includes tax compliance and planning…

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Agnes Tajat

Agnes Tajat, CPA

Agnes Tajat joined Thompson Greenspon as a staff accountant in the fall of 2018.  Prior to joining Thompson Greenspon, she worked in the private industry as a Controller and Accounting Manager for government contractor firms and nonprofit organizations.  Agnes is responsible for providing accounting, auditing and tax services to clients in the nonprofit, government contractor…

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Nicholas Bilyeu

Nicholas G. Bilyeu, CPA

Nick Bilyeu is a supervisor in the accounting and auditing department.  He joined Thompson Greenspon in the fall of 2018 after graduation and provides accounting and auditing services to clients primarily in the construction, government contracting, and employee benefit plan industries. Nick graduated from the University of Virginia in 2015 with a Bachelor of Arts…

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Alex Tuvin

Alexander B. Tuvin, CPA

Alex Tuvin is a tax supervisor at Thompson Greenspon and joined the firm in 2014. In December 2019, Alex left his position with Thompson Greenspon due to moving out of the greater Washington, DC area but returned to the firm in December 2021. He works in the government contracting, professional services and construction & real…

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Ryan Gum

Ryan R. Gum, CPA

Ryan Gum joined Thompson Greenspon as a staff auditor in the fall of 2016. He is responsible for providing accounting, auditing, and tax services to clients in the construction, nonprofit, small business, and employee benefit plan industries. Ryan graduated from West Virginia University with a Bachelor of Science with a major in Accounting and a…

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Wally L. Simmons, CPA

Wally Simmons is a manager in the tax department of Thompson Greenspon. He is responsible for the review of Federal and multi-state tax returns, as well as tax compliance and planning strategies for a variety of clients, including government contractors, construction, real estate, closely-held businesses and individuals. He has spent the past 20 years in…

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Jeff Miller

Jeffrey S. Miller, CPA

Jeff Miller joined Thompson Greenspon in 2018 as a manger in the accounting and auditing department after working for a regional CPA firm in the DC Metropolitan Area for 10 years. Jeff has provided financial statement auditing, tax and management advisory services to a variety of different clients during his career including staffing firms, government…

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Sarah Ferens

Sarah J. Ferens, CPA

Sarah is a Tax Manager at Thompson Greenspon and has been with the firm since 2003. Prior to joining the firm she worked in both public and private industry, with positions ranging from auditor at a Big 4 firm, controller of a high tech start-up company, accountant at an international conglomerate and payroll manager of…

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Joshua Gannett

Joshua J. Gannett, CPA

Joshua Gannett joined Thompson Greenspon as a staff accountant in the fall of 2012 and has since advanced to his current position as a manager of the firm. Prior to joining Thompson Greenspon, he worked in private industry for a technology consulting company in Chantilly, Virginia. Joshua is responsible for providing accounting, auditing and tax…

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Jan Thompson

Jan E. Thompson

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