25 Sep 2023

Steven P RosenthalSteven P. Rosenthal is a businessman and philanthropist in the Boston area. Both his professional and philanthropic efforts are motivated by his lifelong passion for solving complex problems and in the Jewish tradition of Tikkun Olam to repair the world.

Boston Businessman

As Founder and Chairman of West Shore, LLC., Rosenthal directly manages a large, national multi-housing real estate investment portfolio. He is also a Board Member of Redwood Investments, LLC, an independent firm specializing in large and small cap equity investments. In addition, Rosenthal advises on strategy, planning, investments and governance to a variety of businesses and non-profits.

Previously, Rosenthal served as the Co-Managing Member at Mintz Levin, a national 500-lawyer Boston based law firm, and as President and CEO of Northland Investment Corporation.  Throughout his career, Rosenthal has earned a respected reputation as a disruptive leader who positively impacts the projects he contributes to.


A firm believer in supporting his community, Steven P. Rosenthal is an active philanthropist in the Boston area.  He is credited with founding and developing the ArcTank and the Changing Lives Fund at the Northeast Arc. Rosenthal is a proud supporter of organizations that work to empower individuals with developmental and physical disabilities. In particular, Rosenthal focuses his energy on efforts that aim to include individuals with disabilities in their communities. A leader who favors inclusivity, Rosenthal believes strongly in the notion that every member of a community has something special to offer.

Outside of his work with Northeast Arc, Steven P. Rosenthal also has or has had leadership roles for the benefit of:

  • Robert I. Lappin Foundation
  • American Israel Public Affairs Committee
  • Ruderman Family Foundation
  • The Loomis Chaffee School
  • Massachusetts Convention Center Authority