Private equity firm Sterling Investment Partners agreed to invest in Anser Advisory, a national firm specializing in capital program advisory and consulting services. Financial terms were not disclosed. "We are thrilled for our new partnership with Sterling Investment Partners. We chose Sterling due to its track record of transparent collaboration and long history of successfully partnering with management to build recognized industry leaders. We could not envision a better partner for the next steps of executing our strategic vision to become the leading capital program and infrastructure management consulting firm across the nation," Bryan Carruthers, Anser Advisory CEO.