Herzfeld has significant experience advising public and private companies on corporate and international tax matters. In addition to joining Ivins’ Washington DC office, she has been appointed to the position of professor of tax practice and director of the LLM in international tax program at the University of Florida Frederic G. Levin College of Law, beginning in the autumn of 2017.
She was previously a contributing editor to Tax Notes International (Tax Analysts) where she wrote more than 150 articles on international tax policy developments and cross-border transactions. She has also written extensively on US tax reform efforts. Her articles have also been quoted extensively in academic and government publications.
Before joining Tax Notes International, Herzfeld started her career at Weil, Gotshal and Manges in New York City and has also worked as in-house tax counsel at a Fortune 50 company. Later, Herzfeld practiced in the international tax group of a Big 4 firm in both its New York and national tax offices, providing transactional advice to US and foreign multinational corporations, private equity funds, venture capital funds and individuals on a broad range of cross-border tax issues. She has structured acquisitions, joint ventures, and dispositions including spin-offs and has led complex cross-border restructuring projects. Herzfeld has also conducted reviews for due diligence and audit purposes of companies' financial statement tax positions. Furthermore, she has served as lead international tax adviser for both public and private clients and investment funds.