William Caporizzo > WilmerHale > Boston, United States > Lawyer Profile
WilmerHale Offices
60 STATE STREET
BOSTON, MA 02109
MASSACHUSETTS
United States
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William Caporizzo
Work Department
Cross-Border Transactions; Emerging Company and Venture Capital; Executive Compensation and Employee Benefits; Life Sciences; Private Equity; Tax
Position
Partner
Vice Chair, Transactional Department
Career
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.
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.
Memberships
Bar Admissions:
Connecticut
Massachusetts
Other Organizations:
American Bar Association
Boston Bar Association
Massachusetts Bar Association
Education
Boston University School of Law , J.D. (1985)
University of Pennsylvania , B.S. (1982)
Lawyer Rankings
United States > Tax > US taxes: non-contentious
WilmerHale’s non-contentious tax practice, primarily operating from the firm’s Boston office, handles the tax aspects of transactions in a broad range of sectors, with particular strength advising emerging companies in the tech and life sciences spaces. William Caporizzo, extensive experience handling the tax aspects of mergers, dispositions, and international restructurings, leads the team alongside executive compensation specialist Kimberly Wethly. Julie Rogers has considerable experience in taxable and tax-free mergers, spin-offs, bankruptcies, financing transactions, and state taxation. She has advised clients in the tech, life sciences, financial services, energy, and manufacturing industries, among others. Fred Adam in Palo Alto represents multinational corporations, growth-stage companies, investment funds, and fund portfolio companies on a broad range of tax issues. Meghan Walsh, promoted to partner in January 2024, plays a key role in the team, advising corporations, asset managers, and tax-exempt organizations. Matthew Schnall left the firm in July 2023.
Lawyer Rankings
Top Tier Firm Rankings
- Finance > Financial services regulation
- Antitrust > Cartel
- International trade > CFIUS
- Antitrust > Civil litigation/class actions: defense
- Industry focus > Education
- Industry focus > Education
- Industry focus > Education
- Intellectual property > Patents: licensing
- Industry focus > Native American law
- Intellectual property > Patents: litigation (full coverage)
- Dispute resolution > Securities litigation: defense
Firm Rankings
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Dispute resolution > General commercial disputes
- M&A/corporate and commercial > M&A: middle-market ($500m-999m)
- Media, technology and telecoms > Outsourcing
- Government > State attorneys general
- Media, technology and telecoms > Technology transactions
- International trade > Trade remedies and trade policy
- M&A/corporate and commercial > Venture capital and emerging companies
- Finance > Capital markets: equity offerings
- M&A/corporate and commercial > Corporate governance
- International trade > Customs, export controls and economic sanctions
- Government > Government contracts
- Government > Government relations
- Dispute resolution > International arbitration
- Healthcare > Life sciences
- Labor and employment > Employee benefits, executive compensation and retirement plans: transactional
- Environment > Environment: regulatory
- Dispute resolution > Financial services litigation
- Finance > Fintech
- Media, technology and telecoms > Media and entertainment: litigation
- Antitrust > Merger control
- Intellectual property > Patents: litigation (International Trade Commission)
- Tax > US taxes: non-contentious
- Finance > Commercial lending
- Real estate > Real estate
- Finance > Restructuring (including bankruptcy): corporate
- Dispute resolution > Appellate: courts of appeals / Appellate: supreme courts (states and federal)
- Finance > Capital markets: debt offerings
- Dispute resolution > Corporate investigations and white-collar criminal defense