Private equity firm invests in leading Orangetheory® Fitness franchisee to support accelerated growth LOS ANGELES, January 11, 2019-- Brentwood Associates (“Brentwood”), a leading middle-market private equity investment firm, announced it has acquired a majority interest in Afterburn Holdings, LLC (“Afterburn Holdings” or the “Company”). Afterburn Holdings is a leading Orangetheory® Fitness franchisee that operates 12 studios and oversees an additional eight studios in Houston, Texas. Current operators, Jim Potesta and Marty Reichenthal, will retain a substantial ownership stake in the business and continue to lead the business going forward.