Vestar Capital and GreyLion Capital, two private equity firms, completed the acquisition of a stake in 360training.com, an online training and compliance platform. Financial terms were not disclosed. "We are thrilled to have not one, but two long-term equity partners aligned with our strategic objectives, company values, and operating philosophies. They bring us extensive experience and expertise partnering with other portfolio companies in the online education, healthcare, B2B, and e-commerce markets," Tom Anderson, 360training CEO.