The Vistria Group, a private equity firm, completed the acquisition of a majority stake in US Retirement & Benefits Partners, a financial services and retirement services provider, from Kohlberg & Company, a private equity firm. Financial terms were not disclosed. "Combining the knowledge and track record of Kohlberg with The Vistria Group's strong relationships in the K-12 segment, we can leverage these connections to maximize impact in better-serving school districts and government entities. Our partnership with The Vistria Group brings substantial value to USRBP's growth strategy across the public, non-profit and private sectors," Megan Schneider, USRBP CEO.