Photo of Stephanie L. Zeppa

Stephanie L. Zeppa

Silicon Valley
T: 650.815.2646
F: 650.815.4691


  • 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
Publications & News

Stephanie Zeppa is a partner in the Corporate & Securities Group in the firm's Palo Alto and San Francisco offices. Her corporate expertise covers businesses in a variety of industries including social media and video games, software and information technology, FinTech, digital currencies and digital health.  Ms. Zeppa is also Co-Team Leader of the firm's Social Media and Games Industry Team and a member of the Wine Industry Team.

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. 

She also works with emerging growth companies in the life science industry, including serving as an advisor for UCSF's Catalyst Award Program to help identify the most promising medical innovations to obtain funding. She works with biotech startups and healthcare technology companies on corporate formation and strategic advising to bring new scientific products to the market. 

  • Mergers and Acquisitions, Legal 500, 2014-2016
  • 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 Kiip, Jelli, Delighted, InvoiceASAP, MobilePD, Treedom, Ekahau, DNA Direct and Reaction Housing Systems.

  • Represented a variety of early stage technology companies in connection with seed financings and corporate matters including WiserCare, HealthLoop, FishFishMe, Synthicity, Chair, ServiceMesh, Waved, Theia.IO, BillForward, and Zordera.

  • Represented OneNetworks in connection with its equity financing.

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.

  • 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

  • Represented digital play studio Toca Boca in a licensing deals with Amazon, Microsoft and international distribution partners. 
  • Represented digital play studio Toca Boca in a content distribution deal with VTech to bring award-winning apps to the its InnoTab® MAX.


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

  • 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


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