Propel Capital, a philanthropic and impact investing fund that supports innovative strategies to deploy capital for social impact, has announced a challenge grant to Wesleyan’s Patricelli Center for Social Entrepreneurship (PCSE). Every dollar raised in gifts or pledges to the PCSE endowment by June 2017 will be matched 1:1 by Propel, up to $700,000 which will fully endow the Center. Co-founded by Jeremy Mindich ’87 and Sarah Williams ’88, Propel Capital provides grants and investments to nonprofits and social enterprises early or at critical junctures in their development. Mindich and Williams were part of a small group of Wesleyan alumni…