Daniel R. Mummery

Partner at
Gibson, Dunn & Crutcher

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Dan Mummery is a partner in the Palo Alto office of Gibson, Dunn & Crutcher and is Co-Chair of the firm's Strategic Sourcing and Technology Transactions Group.

Mr. Mummery's practice encompasses a wide range of technology transactions and sourcing matters, with a particular emphasis on complex on-shore and off-shore information technology and business process outsourcing transactions, including outsourcing renegotiations and restructurings, shared services, business transformation, licensing, and contract manufacturing arrangements. Mr. Mummery's ITO experience includes infrastructure, ADM, IT security, end-user computing, help desk, call center and managed network transactions. His BPO experience includes HR, finance and accounting, procurement and supply chain management, claims processing, facilities management, clinical programs, fulfillment and logistics transactions.

Mr. Mummery has worked with a broad range of clients in major sourcing engagements and technology transaction matters, including some of the largest automotive, communications, energy, financial services, healthcare, manufacturing, media, technology and transportation companies in the world, as well as emerging growth companies and private equity and venture capital investors. He has represented such clients as American Express, AT&T, BellSouth, British Telecommunications, Cable & Wireless, Charles Schwab, Chevron, Clorox Company, Continental Airlines, Con-way, DuPont, Gateway, General Motors, KPMG, Levi Strauss & Co., McGraw-Hill, Miller Brewing Company, NetApp, Ryder, Symantec, Tenet Healthcare and United Air Lines.

Mr. Mummery is ranked by Chambers & Partners as one of the very best outsourcing lawyers in the world. Chambers USA Guide (2014) and Chambers Global Guide (2013) have awarded him their highest rankings in the categories of Outsourcing (USA, Band 1), IT & Outsourcing (California, Star Individual) and Outsourcing (Nationwide, Band 1). According to Chambers, Mr. Mummery is “an absolutely incredible outsourcing lawyer”, with a "wonderful negotiating style" who “fiercely protects client interests and provides high-value, strategic business and legal advice.”

Mr. Mummery is also included in Practical Law Company'sCross-border Outsourcing Handbook (2011-2012), The Best Lawyers in America 2013, The Lawdragon 500 (New Stars, New Worlds), Global Counsel 3000 and Mondaq Business Briefing, Survey of Leading E-Commerce Lawyers and is a member of the Advisory Board of Global E-Commerce Law and Business Report. He has been recognized as a "Leading Lawyer" in the Legal 500 US (Media, Technology & Telecoms, Technology – Outsourcing) for his outstanding outsourcing and technology transactions practice for many years.

Mr. Mummery's work in structuring, negotiating and implementing outsourcing transactions has been featured inThe Recorder, The Daily Deal and Business Finance. He is a frequent lecturer on outsourcing topics including, most recently, at ITO, BPO and offshoring programs organized byBusinessWeek, Gartner, Sourcing Interests Group and The Conference Board.

Mr. Mummery received his J.D. from Fordham University School of Law in 1988, where he served as editor-in-chief of the Fordham Urban Law Journal, and his A.B. from Bowdoin College in 1981. He is admitted to practice law in California and New York.

Jurisdictions Admitted to Practice

  • California

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