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Diana Y. Tsai

Diana Y. Tsai



  • Business Services
  • Corporate Finance
  • Commercial Lending
  • Energy Lending Transactions

WSG Practice Industries


Illinois, U.S.A.

WSG Leadership

Corporate Finance

Diana Y. Tsai is a member and Co-Leader of the Firm's Corporate Finance Practice Group. She represents a wide range of institutional and non-institutional lenders and is experienced in structuring, documenting, negotiating and closing secured and unsecured loan transactions, including asset-based and cash-flow financing. Ms. Tsai has considerable experience in representing both banks in single-lender loan transactions, as well as administrative agents and participating lenders in large multi-bank syndicated credit facilities. In addition, Ms. Tsai has handles various aspects of loan restructuring, workouts and liquidations.

In the corporate area, Ms. Tsai represents middle-market businesses in areas including mergers and acquisitions, corporate governance matters and general corporate law.

In addition to her experience in private practice, Ms. Tsai has worked for Ameritech's legal department, in various divisions of the Argonne National Laboratory, and at the University of Chicago.

Ms. Tsai was named a 2010 Rising Star by Law & Politics, and designated as one of 40 Illinois Attorneys Under Forty to Watch. In 2011, she was recognized by Chicago Lawyer Magazine's Women in the Law, Law Bulletin Publishing's only publication dedicated to women attorneys. The recognition is significant in that among numerous nominations, only 12 lawyers are selected based on their unique impact, commitment and dedication to the legal profession.

Bar Admissions

Illinois, 2000


University of Illinois at Urbana-Champaign, J.D., cum laude University of Chicago, B.A.
  • with honors
Areas of Practice

Business Services | Commercial Lending | Corporate Finance | Energy Lending Transactions | Mergers & Acquisitions | Mergers & Acquisitions Annual Survey | Private Equity, Venture Capital & Mezzanine Finance

Professional Career

Professional Activities and Experience

Ms. Tsai has worked for Ameritech's legal department, in various divisions of the Argonee National Laboratory, and at the University of Chicago.

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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