ROSEMONT, Ill., April 29, 2020-- Wynnchurch Capital, L.P. (“Wynnchurch”), a leading middle-market private equity firm, announced today the promotions of Greg Gleason to Partner and member of the Investment Committee and Brian Crumbaugh, Paul Ciolino and Roy Sroka to Partner. John Hatherly, Founder and Managing Partner at Wynnchurch, said, “We are thrilled to announce these well-deserved promotions to Partner.