Photo of Stephanie L. Zeppa

Stephanie L. Zeppa

San Francisco
F: +1.415.434.3947
Silicon Valley
F: +1.650.815.2601


  • J.D., University of California, Hastings College of the Law, 1999, magna cum laude, Order of the Coif
  • B.A., Pepperdine University, 1994, cum laude
  • California
Thought Leadership


Stephanie Zeppa is a partner in the Corporate & Securities Group in the firm's San Francisco and Silicon Valley office. Her corporate expertise spans businesses in a variety of industries including software and information technology, life sciences and healthcare and food and beverage.

Areas of Practice

Nationally recognized as a leading venture capital and M&A lawyer, Chambers USA’s Guide to Leading Lawyers noted Ms. Zeppa is described by clients as "a very solid ally on your team," "a very logical and fast thinker" and "an excellent negotiator" with a "broad understanding of issues."

Ms. Zeppa has extensive experience representing both private and public companies in a wide range of transactions including mergers and acquisitions, investments, strategic transactions as well as corporate governance matters. She also represents emerging growth companies, founders, institutional and strategic investors in connection with formation, financing and exits of emerging growth and technology companies.

Ms. Zeppa is Leader of the firm’s Social Media and Games Team.


  • Mergers and Acquisitions, Legal 500, 2014-2018
  • Corporate/M&A: Venture Capital, Chambers, 2013


Investment Experience

  • Represented venture fund investors in various early and late stage institutional rounds of investments for a diverse range of technology companies including Berkeley Lights, Liquid Space, SV Tools, Kiip, Bitfinder, Delighted, InvoiceASAP, MobilePD, Ekahau, DNA Direct and Reaction Housing Systems.
  • Represented Samsung Venture Investment Corporation in connection with numerous venture financings.
  • Represented a variety of technology companies in connection with equity financings and corporate matters including 11 Honoré, Finexio, WiserCare, HealthLoop, LivWell Health, Jurni, FishFishMe, HoneyBee, Synthicity, ServiceMesh, Theia.IO, BillForward, and Zordera

M&A Experience

  • Represented Diageo Plc in its sale of Chalone Estate Vineyard (producer of award-winning Chardonnay and Pinot Noir in the Chalone appellation in Monterey County) to Foley Family Wines.
  • Represented Diageo Plc in the acquisition of its U.S. and British wine units by the Australia's Treasury Wine Estates (TWE.AX) for $552 million.
  • Represented Walz Group in its sale to LenderLive Services.
  • Represented Synthicity, the maker of Urban Canvas, in its acquisition by Autodesk.
  • Represented ServiceMesh in its sale to Computer Sciences Corp.
  • Advised on Sony Computer Entertainment America's separate acquisitions of Incognito Entertainment, Red Zone Interactive, Naughty Dog, Sucker Punch Productions and Zipper Interactive, developers of consumer software entertainment products.
  • Advised on Experian's separate acquisitions of MetaReward, a leading online customer acquisition company; PromiseMark, a developer of online consumer protection software; and ThermoMedia, an Internet-based marketing company.
  • Represented Factor Support Network Pharmacies in its sale to American Service & Product.
  • Represented Essence Digital, an award winning digital agency with global reach and Fortune 100 technology clients, in acquisition of mobile advertising company Point Reach, and digital media group Black Bag. Acted as outside general counsel for North American expansion.
  • Advised on the sale of Paymo to Boku, a mobile payment provider.
  • Represented DNA Direct in its sale to Medco Health Solutions.
  • Advised on the sale of HealthNet Dental and HealthNet Vision to SafeGuard Health Enterprises.

Strategic Transactions

  • Acted as company counsel in spin out of therapeutic and related intellectual property assets from UCSF.
  • Represented startup software company in strategic transaction with Zimmer Biomet.
  • Represented digital play studio Toca Boca in a licensing deals with Amazon and Microsoft and distribution deals with partners like VTech. 

Thought Leadership


Corporate & Securities Law Blog Posts

Healthcare Law Blog Posts

Labor & Employment Law Blog Posts

Venture Law Blog Posts

Video Game Law Blog Posts

Media Mentions

Speaking Engagements

  • Speaker, "Term Sheet Overview: Top Terms To Understand," NexCubed, September 13, 2017
  • Moderator, "Nobody Accomplishes Success by Themselves: Building and Motivating Teams," San Francisco, April 7, 2016
  • Panelist, "Digital Health Innovation: Project to Product, Gladstone Institute, San Francisco, May 14, 2014



  • Advisor, VLAB
  • Catalyst Award Program Advisor, Clinical and Translational Science Institute - UCSF
  • Member, California Bar Association
  • Advisor, Astia
  • Board Member, Compass Family Services