Brian Anderson is a partner in Sheppard Mullin’s San Francisco and London offices.

He is Co-Leader of the Firm’s Sports Industry Team and Advertising Industry Team.

Areas of Practice

Brian represents clients in the fields of sports, technology, and commerce - often dealing with matters that involve all three areas.

With more than 20 years of experience, he has developed a strong expertise in structuring, negotiating, and drafting contracts for complex and innovative deals across different industries and markets.

With extensive experience advising consumer industry businesses on e-commerce strategy, transactions, and legal issues globally, Brian brings a comprehensive and strategic approach to navigating the complexities of the digital marketplace.

Additionally, Brian co-leads the firm's Sports Industry Team. He represents teams, leagues, investors, brands, sponsors, and sports and human performance companies, and has worked on several high-profile and groundbreaking projects in sports. These include projects such as creating and launching new professional teams and leagues, moving franchises to different markets, negotiating agreements for stadiums and venues, obtaining media rights, and establishing partnerships for commercial, sponsorship, and naming rights.

Brian has represented companies such as adidas, Chelsea Football Club, Mastercard, Duolingo, Arsenal Football Club, Bay FC (NWSL 2024), Block (Cash App), Under Armour, Burberry, Taylor Made Golf, FIFA, GitHub, and Red Bull Media House.



Present and past representative matters:

  • The Town FC – Advised The Town FC on a unique transaction between a Major League Soccer (MLS) club and a commercial agent. This involved rebranding and managing commercial operations for the MLS team’s reserve team, which competes in MLS Next Pro, the second division of MLS.
  • Major League Rugby (MLR) Los Angeles– Acted for the investment group in the relocation of the Major League Rugby (MLR) franchise in Atlanta to Los Angeles
  • Arsenal Football Club– U.S. marketing and promotional activations
  • Mastercard– Sponsorship deal with Riot Games to sponsor the League of Legends European Championship (esports)
  • Kantoor Brand/Wrangler– Represented the Wrangler brand in renewing its 76-year long sponsorship deal with the Professional Rodeo Cowboys Association (PRCA), which is the longest sponsorship relationship in North American sports
  • Block (Cash App)– Sponsorship deal with Red Bull Formula One Racing Team and driver Max Verstappen
  • Under Armour– Advised the company on its first NFT launch into metaverses with digital Genesis Curry Flow sneakers, in honor of Stephan Curry breaking the NBA 3-point record
  • Mastercard– Commercial partnership with soccer superstar Lionel Messi
  • Block (Cash App)– Sponsorship deal with NASCAR driver Bubba Wallace and the No. 43 Chevrolet Car
  • Mastercard– Commercial partnership deal with soccer superstar Neymar
  • Block (Cash App)– Sponsorship deal for Floyd Mayweather vs Logan Paul pro boxing fight
  • Mastercard– Sponsorship deal with UEFA Champions League
  • Chelsea Football Club– Advised the team’s digital ventures business on the launch of its “Perfect Play” mobile app business
  • Mastercard– Sponsorship deal with National Women’s Professional Soccer (NWSL) Players Association
  • adidas – Sale of TaylorMade Golf to KPS Capital Partners for $425 million
  • GitHub– Acquisition of Ordered List Inc.
  • Adidas – Represented adidas soccer division on the “GMR Boot” (sensors for soccer/football boots) joint venture with Electronic Ares (EA SPORTS FIFA Mobile) and Google (Jacquard by Google)
  • Taylor Made Golf – Dozens of pro golfer sponsorship, endorsement, and commercial partnership transactions
  • FIFA– Traditional, digital, and virtual in-game advertising strategy in the United States
  • Duolingo – podcast production deals



Top 40 Under 40, Daily Journal, 2016

Technology Transactions, Legal 500 US, 2014-2023

Cyber Law, Legal 500 US, 2020-2021

  • Legal500 US Recommended Attorney



  • Editor, Sheppard Mullin’s Sports Page – a weekly summary of the key trends and stories in sports business
  • 11th Circuit Reverses Summary Judgment Grant in TCPA Suit Against Medical Debt Collector, Cyberspace Law e-Bulletin, (January 2015)
  • Online student privacy bill prompts debate, Daily Journal (March 2014)
  • Dealing in Data: Business and Legal Considerations Respecting Data Transactions, Business Law News, the official publication of the Business Law Section of the California State Bar, Issue 4 (2012) 
  • The Law of Online Contracts, Media Law Resource Center Bulletin "The Ins and Outs of Online Business" (March 2011)
  • FTC Behavioral Advertising Privacy Principles Extend Far Beyond Current Requirements, Media Law Resource Center Bulletin "Digital Media & Comments on Frontiers in Internet Law" (May 2008)
  • adbriefs, Fall 2005 - present

Covering Your Ads Blog Posts

Eye on Privacy Blog Posts

Retail Law Blog Posts

Speaking Engagements

  • Information Insecurity, Technology and Law Forum (2018)
  • The Mobile Natives: Reaching Young Consumers, Mobile Media Summit San Francisco: Apps and Ads (2015)
  • An Invisible Enemy: Cyber Risks and Security, USC Corporate Governance Summit (2014)
  • Privacy vs. Relevancy: How to Get Both, Mobile Media Summit San Francisco: Apps and Ads (2014)
  • Privacy and Data Security Considerations for Consumer Internet Companies in Both Site Operation and Commercial Deals, SVForum (2012)
  • Legal Issues with Advertising/Marketing Using Social Media, ACCA-SoCal In-House Counsel Conference (2012)
  • Legal and Business Considerations of Mobile Social Media and Mobile Marketing, Social Media Legal Risks and Strategies Summit (2011)
  • Legal Issues with Advertising/Marketing Using Social Media, ACCA-SoCal In-House Counsel Conference (2011)
  • The Business and Legal Considerations of Cloud Computing, Law.com Panel (2010)



Member, International Association of Privacy Professionals

Digital Media


J.D. University of California, Davis, Law Review

B.A. University of California, Davis, with honors


  • Law clerk in the Summer Honors Program at the U.S. Securities and Exchange Commission


  • California
Jump to Page

By scrolling this page, clicking a link or continuing to browse our website, you consent to our use of cookies as described in our Cookie and Advertising Policy. If you do not wish to accept cookies from our website, or would like to stop cookies being stored on your device in the future, you can find out more and adjust your preferences here.