Aaron Fox, CPA

Marcum LLP


Aaron Fox has over twelve years of experience working with tax-exempt organizations.  Since joining the firm (as Raffa) in 2007, he has become a critical leader in the practice and is responsible for managing the tax compliance for our most complex and demanding clients.

Aaron has helped to grow the tax consulting practice by delivering exceptional tax research, Fin48 analysis, contract review assistance and written tax memorandum.  He now oversees federal and state tax return preparation for large tax-exempt organizations and their for-profit subsidiaries, quarterly and annual tax planning, and retirement fund filings.  He advises clients on IRS reporting, corporate governance, international grantmaking and cross-border operations including withholding, creation and operation of for-profit subsidiaries and affiliated nonprofits, large group exemption rulings and maintenance, minimizing unrelated business income, retirement plan filings, rules for advocacy organizations including PAC's, as well as private foundation transactions and planning.  

Aaron is a CPA and holds a BS in accounting from George Mason University.  As an active writer and presenter, Aaron has been influential in educating clients, board members, staff and others on a wide range of topics including lobbying regulation, political activity, nonprofit governance trends, Form 990 best practices, and compliance with foreign filing requirements.