David R. Pierson

Retired Partner - Boston

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David Pierson is a retired partner. He represented a broad range of companies in a variety of industries, including companies in the software and technology, life sciences and medical device industries. He advised these clients on a wide range of matters, including corporate finance, securities, mergers and acquisitions, general corporate and contract matters. His practice included providing advice to emerging companies regarding corporate formation, founder arrangements, angel and venture capital financings, equity incentive plans and strategic transactions. David also represented U.S. and foreign venture capital firms in connection with their investments throughout the U.S.


  • Harvard Law School, J.D., cum laude, 1978
  • Yale University, A.B., magna cum laude, 1973


  • Law Clerk to Judge Robert E. Keeton, U.S. District Court (Massachusetts), 1979-1980 


  • American Bar Association Member 
  • Boston Bar Association Member 
  • Massachusetts Bar Association Member
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Bar Admissions

  • Massachusetts

Court Admissions

  • U.S. District Court for the District of Massachusetts
  • U.S. Court of Appeals First Circuit