Our Professionals

Andrew Youhas

Andrew M. Youhas JD/CPA/MBA


Andrew Youhas is the firm's founder and managing principal.  He received his  B.S. in Business Administration from the University of Richmond in 1996.   After two years at a local CPA firm in Winchester, Virginia, he returned to school and earned law and business degrees from the College of William and Mary, with an emphasis on taxation and trusts and  estates.  

Andrew later joined and became a principal at a regional accounting firm in Falls Church, Virginia, where he served as the head of the firm's 1040 Department and later as chair of the firm's Fiduciary Department. In 2017, Andrew founded Youhas & Associates, LLC.

Andrew's  20-plus years of experience and his qualifications enable him to serve  clients in a wide variety of areas, including tax compliance and  planning for fiduciary, individual, and business clients.  He serves as a tax advisor to private foundations and split-interest trusts, and he consults on estate planning and administration, business startup  planning, and retirement planning.  Andrew's clients will tell you that he enjoys his work very much, and that he's uniquely able to explain  complicated tax concepts and calculations in an easy to understand  manner.  This is one of the reasons he has been recognized as one of DC's Best Financial Advisors by Washingtonian Magazine and Northern Virginia Magazine.  He is also a past president of the Northern Chapter of the Virginia Society of CPAs.   

Amy Tillett CPA/CMA

Amy Tillett CPA


Amy Tillett prepares individual, corporate, partnership, and nonprofit tax  returns.  Amy received her Bachelor of Science Degree in Business  Administration from the University of Tennessee and has worked in  accounting in the Northern Virginia area since 2011.  In addition to preparing income tax returns, Amy's experience includes providing controller services to nonprofits, advising small businesses, and  examining the financial records of a wide range of organizations, including nonprofits, government contractors, and small businesses.  Amy has previously worked as in-charge auditor on audits of financial  statements for non-profits and non-public companies.   

Nathaniel Youhas

Nathaniel G. Youhas


The son of a son of a tax accountant, Nathaniel Youhas enthusiastically embraces his role as a third-generation accountant.  He excels at all matters mathematical and was the youngest person ever awarded an Amateur Extra ham radio license in Fairfax County, Virginia (KW4XY).  Nathaniel has experience preparing accounting worksheets, financial statements, adjusting and closing entries, and payroll records. When not spending his time identifying everyday life's deductions or exclusions from AGI, you will find him solving a Rubik's cube or pounding out Billy Joel melodies on a piano.   

Isha Youhas

Isha R. Youhas JD/LLM


Isha  Youhas holds a BS from the University of Michigan and a JD and LLM  from Duke Law School.  She clerked for the Honorable Andrew J. Kleinfeld on the US Court of Appeals for the Ninth Circuit before practicing securities law for twelve years as Counsel at Wilmer Cutler Pickering Hale and Dorr LLP in Washington, DC.  While at WilmerHale,  Mrs. Youhas specialized in accounting fraud related internal investigations for a variety of domestic and multinational corporations as well as investment advisers and broker-dealers.  In these investigations, she worked closely with forensic accountants.  Mrs.  Youhas currently serves as Youhas & Associates,  LLC's general counsel and firm administrator.