Vista Equity Partners, a global investment firm, completed the investment in ESO, a data and software company. Financial terms were not disclosed. "ESO is the clear industry leader when it comes to technology, data and thought leadership for health and public safety organizations. We invest in category-defining businesses like ESO to help accelerate innovation and maximize growth potential. We’re looking forward to our partnership with Chris and the ESO team as they continue to make a positive difference in our communities," Ryan Atlas, Vista Equity Partners Managing Director.