A William Caporizzo

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Practice Areas

Bill Caporizzo is a leading lawyer and certified public accountant who helps both private and public companies navigate the complex tax issues they often face. For more than 30 years, Mr. Caporizzo has been regularly called upon to represent clients on the tax implications of domestic and cross-border corporate mergers, acquisitions and dispositions, as well as international restructurings. He also focuses on all tax issues related to early-stage companies, including equity compensation issues, and structuring financing transactions and mergers and acquisitions for efficient tax results. In addition, he has extensive experience with the taxation of partnerships and limited liability companies engaged in investment and real estate activities. Learn more about Mr. Caporizzo's practice and how he can support your startup on WilmerHaleLaunch.com.

Professional Memberships

Mr. Caporizzo has presented at seminars on taxation for the NASDAQ, National Association of Stock Plan Professionals, and Massachusetts Continuing Legal Education Program. He is a member of the Tax Sections of the American and Massachusetts Bar Associations and the Boston Bar Association.


JD, magna cum laude, Boston University School of Law; BS, magna cum laude, University of Pennsylvania.