Don Keller, a partner in the Silicon Valley office, is a member of the Technology Companies Group.

Don advises high growth technology companies, public companies, venture capital firms and investment banks. He has advised clients on more than 60 public offerings, 75 acquisition transactions and several hundred venture financings.

Chambers USA recognized Don for his work in the areas of Venture Capital and Startups & Emerging Companies, noting he "is valued for his knowledge of venture capital firms and his strength in advising technology companies on public offerings, acquisition transactions and venture financings. One client insists that 'I would not dream of starting a company without him as my outside counsel.'" (2018)

Don has held many leadership positions at Orrick. Don currently leads Orrick’s Technology and Life Sciences Sector, which is one of the three focus areas (along with energy and finance) for the firm. Don is a former member of Orrick’s Board of Directors, served as head of the firm’s global corporate practice,  served as head of the firm’s Silicon Valley Office and served as co-head of the firm's diversity efforts. 

Don also previously served for many years on the Executive Committee of Venture Law Group.

Don has recently represented companies being sold in the following transactions: Wavefront to VMware; Nervana to Intel; TOA to Oracle; Altiscale to SAP; Mainframe2 to Nutanix; Sailthru to Campaign Monitor; Twin Prime to Salesforce; 3Scale to Red Hat; Vendavo to Francisco Partners; FoodyDirect to Goldbelly; Yieldex to AppNexus; and LS9 to Renewable Energy Group.

Don has worked on transactions for Google (Nasdaq GS: GOOG), Oracle (Nasdaq GS: ORCL), Tibco (Nasdaq GS: TIBX), Adaptec (Nasdaq GS: ADPT), Shutterfly (Nasdaq GS: SFLY), Martha Stewart Living Omnimedia (NYSE:MSO), Sum Total Systems (Nasdaq GS: SUMT) and Rambus (Nasdaq GS: RMBS). He also has represented many investment banking clients in public offering transactions, including representing Goldman, Sachs & Co. in offerings for many issuers.

Don is a past member of the Board of Overseers of Boston College Law School.

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