Dosis assumed his current role in 2021, having joined Mastercard in 2005. In March 2024, Mastercard collaborated with the Central Bank of Jordan to develop a payment ecosystem digitization blueprint for the kingdom. In the same month, Mastercard formed a long-term global partnership with First Abu Dhabi Bank to enhance customer service solutions through Mastercard’s U.A.E.-based Global Center for Advanced AI and Cyber Technology. The center was inaugurated in August 2023, in collaboration with the U.A.E. Artificial Intelligence Office. Dosis is also an independent director on the board of the Athens Stock Exchange. He was previously president of Mastercard Advisors.