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William LeBas
 

William LeBas

Counsel
 
425 Lexington Avenue
New York, NY 10017 
 
Email:
Fax: +1-212-455-2502
William (Billy) LeBas advises leading sponsors on fund formation, structuring and operational matters, including regulatory considerations for fundraising. He also has significant experience counseling firms on investment management regulatory matters, with a primary focus on helping firms to comply with the Investment Advisers Act. Prior to joining Simpson Thacher, Billy was an investment management associate at an international law firm and a Vice President, Private Markets Compliance Officer and Counsel at a leading alternative asset manager.

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Work Highlights
  • Advising a number of leading sponsors on establishing and operating private funds, including funds-of-one, co-investment vehicles and separately managed account arrangements, and related advice on regulatory considerations for fundraising
  • Counseling managers on compliance with the Advisers Act, including new SEC rules, SEC registration and available exemptions, conflicts of interest, changes of control, advertising, distribution, custody, reporting, core compliance, information barriers and trading, and on other securities laws and rules and regulations applicable to private fund sponsors, including the Securities Act, Investment Company Act and FINRA rules
  • Guiding a number of firms through SEC examinations
  • Providing regulatory advice to asset managers and broker-dealers in connection with mergers and acquisitions, new business lines, capital markets reporting and ongoing operations
Education
  • George Washington University Law School, 2014 J.D.
    Highest Honors; Order of the Coif
  • Davidson College, 2011 B.A.
    cum laude
Admissions
  • New York 2017

William (Billy) LeBas is Counsel in Simpson Thacher’s Private Funds and Funds Regulatory and Investigations Practices. Based in New York, he advises clients on both fund formation and regulatory and compliance matters.

In his private funds practice, Billy advises leading sponsors on the formation, structuring, marketing and operation of private investment funds – including funds-of-one, co-investment vehicles and separately managed account arrangements – investing in private equity, real estate, infrastructure, credit and other strategies. He also has experience advising firms on the regulatory aspects of significant corporate transactions and on internal and strategic arrangements.

In addition, Billy maintains an active regulatory practice and has significant experience advising managers on regulatory and compliance matters, with a primary focus on helping firms to comply with the Investment Advisers Act. He regularly counsels clients on all aspects of the Advisers Act and on other securities laws and rules and regulations applicable to private fund sponsors, including the Securities Act and Investment Company Act. He also has experience guiding a number of firms through SEC examinations.  

Prior to joining Simpson Thacher, Billy was a corporate and investment management associate at an international law firm and prior to that was a Vice President, Private Markets Compliance Officer and Counsel at a leading alternative asset manager.

He received his J.D. from George Washington University Law School, highest honors, and his B.A. from Davidson College, cum laude. He is admitted to practice in New York.

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