William Butterfield



Mr. Butterfield is a partner at Hausfeld LLP, a global claimants' law firm. He focuses his practice on antitrust litigation and electronic discovery. Mr. Butterfield developed his interest in electronic discovery in the early 1990's when led the design and implementation of an electronic document repository to manage more than 15 million pages of documents in a complex securities case. He has testified as an expert witness on e-discovery issues, and speaks frequently on that topic domestically and abroad. Mr. Butterfield is on the Steering Committee of The Sedona Conference® Working Group on Electronic Document Retention and Production, where he served as editor-in-chief of the Case for Cooperation (2009), and was a co-editor of The Sedona Conference® Commentary On Preservation, Identification and Management of Sources of Information that are Not Reasonably Accessible (2008). He is also a member of The Sedona Conference® Working Group on International Electronic Information Management, Discovery and Disclosure. Mr. Butterfield also serves on the Masters Conference Advisory Board, and on the faculty of Georgetown University Law Center's Advanced E-Discovery Institute.



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