Private equity firm Marlin Equity Partners agreed to invest in Whitlock, a provider of audiovisual and video collaboration solutions. Financial terms were not disclosed. "Whitlock's strong customer base and partner network are a testament to the value proposition that Doug and his team consistently deliver. We recognize that Whitlock is at the forefront of workplace transformation technologies, and we look forward to partnering with them and building upon their deep and long-standing expertise in the collaboration solutions market,"Ryan Wald, a managing director at Marlin.