NEW YORK–(BUSINESS WIRE)–Ascend Capital Partners (“Ascend”), a healthcare focused private equity firm dedicated to improving the access, affordability and quality of healthcare for vulnerable and underserved populations, today announced that it has acquired a majority stake in Unison Therapy Services (“Unison”), one of the largest outsourced therapy providers for Pre-K – 12 students in school- and community-based settings. Unison, founded in 1989, is a multi-disciplinary provider of therapy s