WSGR logoWSGR logo
WSGR logo
  • Experience
  • People
  • Insights
  • About Us
  • Careers

  • Practice Areas
  • Industries

  • Corporate
  • Intellectual Property
  • Litigation
  • Patents and Innovations
  • Regulatory
  • Technology Transactions

  • Capital Markets
  • Corporate Governance
  • Corporate Life Sciences
  • Derivatives
  • Emerging Companies and Venture Capital
  • Employee Benefits and Compensation
  • Energy and Climate Solutions
  • Executive Advisory Program
  • Finance and Structured Finance
  • Fund Formation
  • Greater China
  • Mergers & Acquisitions
  • Private Equity
  • Public Company Representation
  • Real Estate
  • Restructuring
  • Shareholder Engagement and Activism
  • Tax
  • U.S. Expansion
  • Wealthtech

  • Special Purpose Acquisition Companies (SPACs)

  • Environmental, Social, and Governance

  • AI and Data Center Infrastructure
  • Energy Regulation and Competition
  • Project Development and M&A
  • Project Finance and Tax Credit Transactions
  • Sustainability and Decarbonization
  • Transportation Electrification

  • U.S. Expansion Library and Resources

  • Post-Grant Review
  • Trademark and Advertising

  • Antitrust Litigation
  • Arbitration
  • Board and Internal Investigations
  • Class Action Litigation
  • Commercial Litigation
  • Consumer Litigation
  • Corporate Governance Litigation
  • Employment Litigation
  • Executive Branch Updates
  • Government Investigations
  • Internet Strategy and Litigation
  • Patent Litigation
  • Securities Litigation
  • State Attorneys General
  • Supreme Court and Appellate Practice
  • Trade Secret Litigation
  • Trademark and Copyright Litigation
  • Trial
  • White Collar Crime

  • Advertising, Promotions, and Marketing
  • Antitrust and Competition
  • Committee on Foreign Investment in the U.S. (CFIUS)
  • Communications
  • Data, Privacy, and Cybersecurity
  • Export Control and Sanctions
  • FCPA and Anti-Corruption
  • FDA Regulatory, Healthcare, and Consumer Products
  • Federal Trade Commission
  • Fintech and Financial Services
  • Government Contracts
  • National Security and Trade
  • Payments
  • State Attorneys General
  • Strategic Risk and Crisis Management
  • Tariffs, Customs, and Import Compliance

  • Antitrust and Intellectual Property
  • Antitrust Civil Enforcement
  • Antitrust Compliance and Business Strategy
  • Antitrust Criminal Enforcement
  • Antitrust Litigation
  • Antitrust Merger Clearance
  • European Competition Law
  • Third-Party Merger and Non-Merger Antitrust Representation

  • Anti-Money Laundering
  • Foreign Ownership, Control, or Influence (FOCI)
  • Team Telecom

  • AI in Healthcare
  • Animal Health
  • Artificial Intelligence and Machine Learning
  • Aviation
  • Biotech
  • Blockchain and Cryptocurrency
  • Clean Energy
  • Climate and Clean Technologies
  • Communications and Networking
  • Consumer Products and Services
  • Data Storage and Cloud
  • Defense Tech
  • Diagnostics, Life Science Tools, and Deep Tech
  • Digital Health
  • Digital Media and Entertainment
  • Electronic Gaming
  • Fintech and Financial Services
  • FoodTech and AgTech
  • Global Generics
  • Internet
  • Life Sciences
  • Medical Devices
  • Mobile Devices
  • Mobility
  • NewSpace
  • Quantum Computing
  • Semiconductors
  • Software

  • Offices
  • Country Desks
  • Events
  • Community
  • Our Diversity
  • Sustainability
  • Our Values
  • Board of Directors
  • Management Team

  • Austin
  • Boston
  • Boulder
  • Brussels
  • Century City
  • Hong Kong
  • London
  • Los Angeles
  • New York
  • Palo Alto
  • Salt Lake City
  • San Diego
  • San Francisco
  • Seattle
  • Shanghai
  • Washington, D.C.
  • Wilmington, DE

  • Law Students
  • Judicial Clerks
  • Experienced Attorneys
  • Patent Agents
  • Business Professionals
  • Alternative Legal Careers
  • Contact Recruiting
Brendan Ripley Mahan
Partner
Mergers & Acquisitions
Seattle
bmahan@wsgr.com

D206-883-2549

Download vCard
Open PDF
  • Diverse M&A Experience

    Brendan advises clients across a wide range of industries and stages of growth, from emerging companies to large multinational corporations.  His practice spans public and private mergers, carve-outs, joint ventures, and minority and controlling investments, among other structures.  This diversity of experience informs his strategic, pragmatic approach to deal execution.

  • Experienced Dealmaker

    Brendan is a trusted advisor on complex, high-stakes transactions.  He has successfully structured and negotiated hundreds of strategic transactions and regularly counsels companies, boards of directors, and senior management teams on matters requiring sound judgment and practical solutions.

Brendan Ripley Mahan is a partner in Wilson Sonsini’s mergers and acquisitions group.  He advises public and private companies, boards of directors, and senior management teams on strategic transactions, including mergers, acquisitions, carve-outs, joint ventures, and minority and controlling investments.  His work spans domestic and cross-border matters in North America, Latin America, Europe, and Asia.  Brendan primarily represents clients in the technology and life sciences sectors and also advises companies in the fintech, enterprise software, e-commerce, cybersecurity, and semiconductor industries, among others.

Brendan’s practical counsel is informed by prior experience in capital markets and syndicated lending practices, allowing him to successfully navigate complex financial and structural issues.

Brendan serves on the firm’s Career Development Committee.

Prior to joining Wilson Sonsini, Brendan practiced in the corporate group of Cravath, Swaine & Moore in New York and clerked for Deputy Chief Justice Mary Noble of the Supreme Court of Kentucky.

Experience

Brendan Ripley Mahan is a partner in Wilson Sonsini’s mergers and acquisitions group.  He advises public and private companies, boards of directors, and senior management teams on strategic transactions, including mergers, acquisitions, carve-outs, joint ventures, and minority and controlling investments.  His work spans domestic and cross-border matters in North America, Latin America, Europe, and Asia.  Brendan primarily represents clients in the technology and life sciences sectors and also advises companies in the fintech, enterprise software, e-commerce, cybersecurity, and semiconductor industries, among others.

Brendan’s practical counsel is informed by prior experience in capital markets and syndicated lending practices, allowing him to successfully navigate complex financial and structural issues.

Brendan serves on the firm’s Career Development Committee.

Prior to joining Wilson Sonsini, Brendan practiced in the corporate group of Cravath, Swaine & Moore in New York and clerked for Deputy Chief Justice Mary Noble of the Supreme Court of Kentucky.

Education
  • J.D., Cornell Law SchoolCum Laude
  • B.A., Economics, Western Washington UniversityMagna Cum Laude
Admissions
  • State Bar of New York
  • State Bar of Washington
Credentials
Education
  • J.D., Cornell Law SchoolCum Laude
  • B.A., Economics, Western Washington UniversityMagna Cum Laude
Admissions
  • State Bar of New York
  • State Bar of Washington

Representative Transactions

  • Acxiom in its $2.3 billion sale of its Marketing Solutions business to IPG
  • Ampere in its $6.5 billion sale to SoftBank Group
  • Blue Nile in its $500 million sale to Bain Capital
  • CloudSimple and Pointy in their sales to Google
  • DoorDash in multiple acquisition transactions
  • Fastball in its $4.175 billion sale of a minority stake in FanDuel to Flutter
  • Mastercard in its acquisition of NuData Security
  • Mulesoft in its $6.5 billion sale to Salesforce
  • Nutanix in multiple acquisition transactions
  • Peloton Therapeutics in its up to $2.2 billion sale to Merck
  • Pismo in its $1 billion sale to Visa
  • Skyscanner in its £1.4 billion acquisition of Trip.com
  • Twilio in multiple acquisition transactions
  • Veeva in multiple acquisition transactions
  • Zscaler in multiple acquisition transactions
Matters

Representative Transactions

  • Acxiom in its $2.3 billion sale of its Marketing Solutions business to IPG
  • Ampere in its $6.5 billion sale to SoftBank Group
  • Blue Nile in its $500 million sale to Bain Capital
  • CloudSimple and Pointy in their sales to Google
  • DoorDash in multiple acquisition transactions
  • Fastball in its $4.175 billion sale of a minority stake in FanDuel to Flutter
  • Mastercard in its acquisition of NuData Security
  • Mulesoft in its $6.5 billion sale to Salesforce
  • Nutanix in multiple acquisition transactions
  • Peloton Therapeutics in its up to $2.2 billion sale to Merck
  • Pismo in its $1 billion sale to Visa
  • Skyscanner in its £1.4 billion acquisition of Trip.com
  • Twilio in multiple acquisition transactions
  • Veeva in multiple acquisition transactions
  • Zscaler in multiple acquisition transactions

Select Speaking Engagements

  • Panelist, “Growth Through Acquisition: Buy Side Overview and Insights,” Fall 2025 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, October 24, 2025
  • Panelist, “M&A Strategy for Early-to-Mid-Stage Entrepreneurs,” Fall 2024 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, August 28, 2024
  • Panelist, “M&A Strategy for Early-to-Mid-Stage Entrepreneurs,” Winter 2023 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, February 22, 2023
Insights

Select Speaking Engagements

  • Panelist, “Growth Through Acquisition: Buy Side Overview and Insights,” Fall 2025 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, October 24, 2025
  • Panelist, “M&A Strategy for Early-to-Mid-Stage Entrepreneurs,” Fall 2024 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, August 28, 2024
  • Panelist, “M&A Strategy for Early-to-Mid-Stage Entrepreneurs,” Winter 2023 M&A Bootcamp, Nasdaq Entrepreneurial Center Webinar, February 22, 2023
Focus Areas
  • Finance and Structured Finance
  • Mergers & Acquisitions
Recent Insights
Client Highlights
Firm Advises Neurona Therapeutics on Acquisition by UCB
On April 17, 2026, UCB, a global biopharmaceutical company, announced that it has entered into a definitive agreement under which UCB would acquire Neurona Therapeutics, including lead asset NRTX-1001, adding to UCB’s epilepsy portfolio. Neurona Therapeutics is a clinical-stage biotherapeutics company focused on advancing regenerative cell therapies for epilepsies and other disorders of the nervous system. Under the terms of the agreement, UCB will pay $650 million upfront and up to $500 million in potential future milestone payments, subject to certain closing conditions. Wilson Sonsini Goodrich & Rosati advised Neurona on the transaction. 
Learn More
Client Highlights
Wilson Sonsini Advises Sportsbox on Acquisition by Investor Group Led by Bryson DeChambeau
On April 7, 2026, a group of investors led by professional golfer Bryson DeChambeau announced its acquisition of Sportsbox AI, a leader in kinematic AI technology and 3D motion capture for coaching and training across mobile sports and fitness applications. Wilson Sonsini Goodrich & Rosati advised Sportsbox on the transaction.
Learn More
View All
Recent Events
Affiliated Programs
The L Suite TechGC Nexus 2026
Wilson Sonsini is a proud sponsor of The L Suite TechGC Nexus 2026, a marquee annual gathering of general counsel and chief legal officers from high-growth, venture-backed and public technology companies and venture funds. Attendees will have opportunities to exchange candid insights on how to help drive their companies’ growth in a new era of technology and risk.
Learn More
Affiliated Programs
NASDAQ Fall 2025 M&A Bootcamp
We are excited to invite you to the second webinar in the Fall 2025 Bootcamp series. In partnership with the Nasdaq Entrepreneurial Center and KPMG, we will share best practices to help start-ups position themselves for future M&A opportunities and explore winning strategies for successful transitions.
Learn More
View All
  • people
  • insights
  • about us
  • careers
  • Binder
  • Alumni
  • Mailing List Signup
  • Client FTP Portal
  • Privacy Policy
  • Terms of Use
  • Accessibility
WSGR logo
Twitter
LinkedIn
Facebook
Instagram
Youtube
Copyright © 2026 Wilson Sonsini Goodrich & Rosati. All Rights Reserved.