Dan Mayo is a Partner at Withum and leads the firm’s National Tax Services practice. He brings more than 25 years of professional tax experience in federal, international, and financial products taxation, with particular expertise in QSBS, the Employee Retention Credit, mergers and acquisitions, capital markets transactions, and cross-border matters. He also represents individuals and businesses in tax controversies with the IRS and serves as an expert witness in tax-related litigation. Dan is an adjunct tax professor at Georgetown University Law Center, a FINRA-approved arbitrator, and a Forbes contributor covering all things tax. He holds a J.D., cum laude, from Seton Hall University School of Law, an LL.M. in Tax from NYU School of Law, and a B.S. from Rutgers College. Prior to Withum, he gained experience at large law firms, KPMG, and as in-house tax counsel at Citigroup and Barclays/Lehman Brothers.