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Daniel A. Masur

Daniel A. Masur

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"He's phenomenal. He truly seeks to understand our business and is always incredibly well prepared."

Chambers Global

Dan Masur is the Partner-in-Charge of Mayer Brown’s Washington, DC office and a leader of its Business & Technology Sourcing practice.

Dan has represented national and international clients in a broad range of on-shore, near-shore, and offshore information technology and business process sourcing transactions involving global and niche outsourcing providers, offshore captives and various hybrid structures. His representative business process sourcing transactions include the outsourcing of finance and accounting functions, human resource/employee services, call centers/customer relations management, recruiting, logistics, collections, procurement, e-commerce processing and support, financial services operations, and other business processes and functions. His representative information technology transactions include the outsourcing of IT infrastructure services and support, data center services, application development and maintenance, network management and support, help desk/call center services, and telecommunications services.

Dan has represented established and emerging companies in many different industries, including banking, aerospace, defense contracting, electronic commerce, financial services, pharmaceuticals, insurance, health care, life sciences, chemicals, consumer products, manufacturing, oil/gas, real estate, forestry products, telecommunications, information technology, and utilities/electrical power.

Dan is recognized as one of the leading lawyers in the highly specialized outsourcing field by Chambers Global (“1” ranking in Outsourcing), Chambers USA (“1” ranking in “Nationwide: Outsourcing” and “DC: Technology & IT Outsourcing”), Legal 500 (recognized in “Technology Outsourcing”) and Best Lawyers in America (recognized in Information Technology Outsourcing).

Chambers USA has described Dan as “tremendous,” a “phenomenal lawyer” and the "expert of experts," and as having the “ability to convey complicated legal concepts in helpful layman terms.” According to Chambers, clients say he "has incredible knowledge of outsourcing, inspires confidence in others and has great business intelligence."

In previous years, clients have told Chambers USA that Dan is "'extremely knowledgeable'...has been 'doing this kind of work forever, so everyone respects his opinion.' 'If I were doing customer-based negotiations, I'd love to have him representing me, because he's thorough, a stickler for detail and a hard-nosed negotiator.'" Chambers has also described Dan as “renowned in the market as the architect of the firm’s outsourcing practice. Clients keep returning to him because he ‘has a deep knowledge of the law, market conditions and the state of the industry overall.’” According to Chambers, Dan is “a pioneer in this field, bringing…’a lot of poise and direction’ to all his negotiations” and is “endorsed by many of our interviewees as the first port of call for complex outsourcing matters.” Chambers Global notes that "If you want a deal done quickly, he's the guy to go to” and that he is "very good at understanding the underlying commercial and financial implications of a deal."

Dan joined Mayer Brown in 1997. From 1994 to 1997, he served as Vice President and General Counsel of I-NET, Inc., a rapidly growing provider of information technology, telecommunications and outsourcing services. Prior to I-NET, Dan was a partner in another Washington DC firm.

Dan is a frequent speaker and presenter at industry and legal conferences on sourcing subjects.

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