Mark Eisner is a Director Product Management at Refinitiv. He possess expertise in product management, market data, reference data, financial markets, business analysis and 28 more skills. Colleagues describe him as "Mark was my Project Manager for 8 years at ThomsonReuters. He was a wonderful person for whom to work. Mark was very clear about what he wanted, and pleased when he got it. I think the world of him." and "I am working with Mark for more that 6 years now. He has been an excellent mentor and the go to person in the organization to clarify requirements. He is one of the best assets in the organization. During client migration efforts, the knowledge he brought into the meetings from the Product side were beyond words."