Ain joined Kronos in 1979 and has played a role in nearly every functional department at the organization. In October 2005, he was named chief executive officer and a member of the Kronos Board of Directors. after going public in 1992. Under his leadership, the company completed a major, multi-year business transformation, changing from a licensed-software model to a cloud, software-as-a-service (
SaaS) model. In 2016, Ain introduced new benefits to employees such as open vacation time and student loan repayment. A new manager performance rating was also created, called the Manager Effectiveness Index (MEI), which captures employee judgments about managers' performance. In 2017, Kronos relocated its headquarters to the
Crosspoint Towers in Lowell, Massachusetts. In 2018, Ain published his book, WorkInspired: How to Build an Organization Where Everyone Loves to Work. The book chronicles how he and the company’s leadership team used employee engagement as a business strategy to impart leadership lessons to senior leaders, HR professionals, and people managers. In 2020, Kronos completed a merger with Ultimate Software to create UKG, and Ain became the chairman and chief executive officer of the combined company. Ain retired as CEO of UKG in July 2022 and transitioned to executive chair. == Affiliations ==