Goldman Sachs AM-backed Petershill, a firm that specializes in value-added, long-term, minority investments, completed the investment in Wind Point Partners, an American private equity firm. Financial terms were not disclosed. “We are excited to partner with Petershill. They are a clear leader in the market and have developed a comprehensive suite of value-added services to enable their partner firms to maximize growth potential and investment returns," Nathan Brown, Paul Peterson and Alex Washington, Wind Point Managing Directors.