Phyllis Korff is a partner in Mayer Brown’s New York office and a member of the Capital Markets practice. She has extensive experience in representing US and international issuers and investment banks in a wide variety of financing matters. Her industry experience is broad-based. It includes: asset management and other financial services, insurance, biotech, health care, technology and manufacturing. She has worked with companies and underwriters based not only in the United States but also in Asia, Europe, Canada and Israel that want to access United States public and private markets. Phyllis has worked on all types of securities from common equity to convertible and high yield debt. She has worked on scores of initial public offerings, as well as follow-on offerings, exchange offerings and other transactions registered with the Securities and Exchange Commission (SEC), as well as offerings exempt from SEC registration pursuant to Rule 144A and Regulation S. Phyllis works with private companies in pre-IPO financings and private tender offers as well as in IPO readiness and corporate governance matters.

Phyllis repeatedly has been named by Chambers Global as one of the leading individual capital markets lawyers in New York for international equity and debt. According to Chambers USA, she is “terrific on all aspects of IPOs,” not least because she is “an excellent technical lawyer and creates a good working environment” for the multiple players and interest groups involved in such offerings. Most importantly, she is sought after because of her practical judgment, deep relationships, and her ability to get things done. Phyllis is top ranked by Chambers Global for Capital Markets: Debt & Equity in the Eastern United States, as well as for Corporate/M&A (USA) foreign expertise in Israel, Capital Markets expertise based abroad in Israel, and Corporate/M&A foreign expertise in Israel. The IFLR1000 guide ranks Phyllis as “highly regarded” for her work in the US for Capital Markets. She was named a finalist in the Finance Lawyer of the Year category at the inaugural Chambers USA Women in Law Awards 2012. In addition, she repeatedly has been selected for inclusion in The Best Lawyers in America, The International Who’s Who of Capital Markets Lawyers, The Legal 500 US, and IFLR1000.


New York University School of Law, JD
Notes Editor, New York University Law Review

Boston University, EdM

Brooklyn College, City University of New York, BA


  • New York