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Mayer Brown

1999 K STREET, NW, WASHINGTON, DC 20006-1101, USA
Work +1 202 263 3000
Fax +1 202 263 3300

Dan Masur

Work +1 202 263 3226
Mayer Brown

Work Department

Corporate and Securities.


Dan Masur 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, 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 aerospace, defense contracting, electronic commerce, financial services, pharmaceuticals, insurance, health care, banking, life sciences, chemicals, consumer products, manufacturing, oil/gas, real estate, forestry products, telecommunications, information technology, and utilities/electrical power.


Georgetown University Law Center, JD, 1977; Editor, Georgetown Law Journal Marquette University, BA, 1974.

United States: Media, technology and telecoms


Within: Leading lawyers

Daniel Masur - Mayer Brown

Within: Outsourcing

Mayer Brownreally knows what it is doing in the outsourcing space’ and has ‘a widely respected practice and a strong team’. The firm’s business and technology sourcing practice, which predominantly advises buy-side clients such as Sears Management Holding Company, has ‘a big presence across the US market and has a lock on the Midwest’. Clients also remark that it ‘understands market standards, which allows it to quickly resolve any issues’. Brad Peterson leads the practice from Chicago, where Rebecca Eisner, Paul Roy and rising star Joe Pennell are also recommended. Daniel Masur in Washington DC is also regarded as a leading light. Peterson’s recent highlights include assisting Caterpillar with the negotiation and governance of an agreement with technology company Uptake for a data analytics platform. Eisner’s work included advising Albemarle on the implementation, hosting and licensing of an enterprise resource planning (ERP) system, including on-premises and cloud software licenses.

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