John J. Slater III

John J. Slater III


Overview & Experience

John J. Slater III is a partner in the firm's Real Estate Department and Business Law Group.

Jack represents developers and property owners in all phases of property acquisition, project development and permitting, including all of the development and permitting agencies of the City of Boston. He also represents both landlords and tenants in various commercial leasing transactions. Jack chairs the firm’s Health Services practice group and has extensive experience representing health care providers.


  • MassDevelopment (formerly the Massachusetts Industrial Finance Agency) as an issuer’s counsel with bond transactions and also with respect to their direct loan programs
  • Served as assistant town counsel for the Town of Cohasset, Massachusetts
Insights & Activities


  • Listed in The Best Lawyers in America©
  • Martindale-Hubbell Peer Review Rated: A/V Preeminent®

Speaking Engagements & Publications


Community Involvement