About
Dan is a partner in our Silicon Valley office. Dan's practice encompasses all areas of corporate and securities laws, with a focus on (i) representation of start up and emerging growth companies in information technology and life science industries, (ii) representation of issuers and underwriters involved in public offerings, and (iii) representation of companies involved in merger and acquisition transactions. Prior to serving as a partner of our firm, Dan was an associate in the Palo Alto office of Brobeck, Phleger & Harrison, where he worked in the Business and Technology group until September, 1995. Before attending law school, Dan served as an accountant with Peat, Marwick, Mitchell & Co. (now known as KPMG Peat Marwick). Dan is the co-author of the Emerging Companies Series legal text Formation and Financing of Emerging Companies. Dan holds a J.D. from the University of California at Berkeley (Boalt Hall School of Law), where he graduated Order of the Coif and received the Ame
Position in the VCSift Database
- • 23 investors at Gunderson Dettmer are tracked.
- • 1 investors hold the Partner, Silicon Valley role in VCSift. Daniel E. O'Connor is one of them.
- • 7,285 investors are based in San Francisco, California, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Location
- San Francisco, US
Contact Information
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