Mark Seneca


Silicon Valley

Mark Seneca, a Corporate partner in the Silicon Valley office, is a member of Orrick’s M&A and Private Equity Group as well as its Technology Companies Group. Mark has dedicated his legal career to the M&A specialty, with experience in all aspects of mergers and acquisitions transactions involving both public and private companies in domestic and cross-border deals.

Mark has a particular focus on the technology sector. Since 2010, he has worked on more than 90 technology M&A transactions. His sell-side work includes seven acquisitions by Google, five acquisitions by Yahoo!, three acquisitions by, Facebook and Twitter, and two acquisitions by each of Amazon and Adobe. These deals include his high profile work for Cruise Automation in its acquisition by General Motors, NestLabs, in its US$3.2 billion acquisition by Google, and Instagram, in its US$1.0 billion acquisition by Facebook, which was ranked one of the top 10 largest valued private tech M&A deals in the U.S. in 2012. In an interview with Bloomberg Law for a “Rainmakers” episode, Mark provided a substantive analysis of the Instagram deal, including its industry precedent and influence (click here).

On the buy-side, Mark has served as lead M&A counsel for top public company acquirers (Apple, Yelp, Yahoo!, Intellisync and Xilinx) as well as private company serial acquirers (Pinterest, Stripe and Social Finance).

  • Mark's recent engagements include:

    • Cruise Automation, autonomous vehicle technology, in its acquisition by General Motors.
    • Nest Labs, manufacturer of the award-winning Learning Thermostat, in its $3.2 billion acquisition by Google.
    • Instagram, provider of a photo sharing mobile application, in its $1 billion sale to Facebook.
    • Apple Inc., in its acquisitions of Siri, Inc. and WiFiSlam.
    • Nervana Systems, Inc., an artificial intelligence and deep learning technology, in its acquisition by Intel.
    • Neolane S.A., a French software company in the campaign marketing space, in its $600 million acquisition by Adobe Systems Incorporated.
    • EchoSign, a provider of electronic signatures and signature automation technology, in its acquisition by Adobe Systems Incorporated.
    • Pinterest, a social networking site featuring virtual pinboard, in multiple acquisitions.
    • Goodreads Inc., the world’s largest website for readers and book recommendations, in its acquisition by Amazon Inc.
    • Flutter, developer of gesture recognition technology for android and iOS devices, in its acquisition by Google.
    • Xobni, developer of plug-in for Outlook and mobile devices that helps users to organize their inbox, in its acquisition by Yahoo!