Allison B. Spinner
Allison Berry Spinner is a partner at Wilson Sonsini Goodrich & Rosati, leading the firm's Corporate Department and serving on its board of directors. A powerhouse in capital markets, Allison advises some of the world's most innovative and fast-scaling tech companies on the full spectrum of complex transactions, from late-stage private financings through IPOs and seasoned public company matters.
Allison's landmark deals speak for themselves: she led the firm's first direct listing (representing Palantir) and first UP-C offering (representing GoDaddy). More recently, Allison advised Marvell Technology on its acquisitions of Celestial AI ($3.25 billion) and XConn Technologies ($540 million), as well its $2.5 billion divestiture of its automotive ethernet business to Infineon Technologies. She also led the teams advising Upstart Holdings on its $500 million private offering of convertible senior notes and Cloudflare on a $400 million credit facility.
Across AI, software (including SaaS and cybersecurity), and fintech, Allison advises companies, investment banks, and venture and private equity firms on the full range of corporate matters: capital markets, M&A, corporate governance, shareholder activism defense, change-of-control, and equity and debt financings for companies at every stage of growth.
Allison was recognized in the 2021-2026 editions of Chambers Global and the 2020-2026 editions of Chambers USA: America’s Leading Lawyers for Business. Clients describe Allison as "a great business partner and legal advisor," praising her capital markets practice across both issuer and underwriter representation on the full range of debt and equity offerings. One client notes, "Allison is an absolute star. She's highly commercial, practical, and KNOWS the law," while another adds, "Allison is an amazing adviser. She is super knowledgeable and I completely trust her judgement." Allison was also honored among the 2025 “Women Leaders in Tech Law (Corporate Transactions)” by The Recorder and has been named to Lawdragon's "500 Leading Dealmakers in America" list for six consecutive years (2021-2026).
Prior to joining Wilson Sonsini, Allison clerked in the U.S. District Court for the Eastern District of New York.