Polaris Growth Fund, a private investment firm, agreed to acquire Amplifire, a learning company dedicated to training professionals using the latest in cognitive science, from Leeds Equity Partners, a private equity firm. Financial terms were not disclosed. "We are fortunate to have had the opportunity to partner with the Amplifire team. We are proud of the growth and the high-impact, effective learning outcomes they have helped to drive across numerous organizations over the course of our partnership. We wish the team continued success as they build on their strong business foundation during Amplifire's next chapter of growth," Jacques Galante, Leeds Equity Partners Partner.