Green Century Capital Management



Boston, MA



Green Century Capital Management is a left-leaning investment firm that invests in environmentalist nonprofits and causes. It is the owner of Green Capital Funds. The firm was founded by various groups in the Public Interest Network, including the Fund for the Public Interest, U.S. Public Interest Research Group (US-PIRG), and various state Public Interest Research Groups (PIRGs).

Green Century Capital Management is owned by Paradigm Partners, a for-profit holding company investment advisory service firm founded by Public Interest Network president Doug Phelps. Phelps is also a board trustee in Green Century.


According to filings with the U.S. Securities and Exchange Commission, Green Century Capital Management was formed in November 2013 and “is owned by Paradigm Partners, a California general partnership, the partners of which are all not-for-profit advocacy organizations.” The filings identified Public Interest Network figures Doug Phelps and Wendy Wendlandt as “Interested Trustees” of the firm.[1]

According to the firm’s website, it was founded by the California Public Interest Research Group (CALPIRG), Citizen Lobby of New Jersey (NJPIRG), Colorado Public Interest Research Group (COPIRG), ConnPIRG Citizen Lobby, Fund for the Public Interest, Massachusetts Public Interest Research Group (MASSPIRG), MOPIRG Citizen Organization, PIRGIM Public Interest Lobby, and Washington State Public Interest Research Group (WASHPIRG).[2]


  1. U.S. Securities and Exchange Commission. Green Century Funds: Form N-1A Registration Statement.November 27, 2013. Accessed October 8, 2018. ^
  2. “About Us – Green Century Funds.” Green Century Funds. Accessed October 08, 2018. ^

Directors, Employees & Supporters

  1. Kristina Curtis
    Senior Vice President (1991 - Present)
  2. Wendy Wendlandt
    Interested Trustee
  3. Doug Phelps
    Interested Trustee

Coalition Memberships

  1. Public Interest Network (PIN)
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Green Century Capital Management

114 State Street
Suite 200
Boston, MA 02109