Gregg Sisco Joins Citi to Head Network Management for the Americas and Global Market Information

Citi has appointed Gregg Sisco as network management head for the Americas and global market information head for the Securities and Fund Services (SFS) unit within Global Transaction Services.

In this position, Sisco is responsible for managing the Network team in the Americas and for overall management of the ‘Market Guide’ platform and the SFS Market and Service Information program. “Market Guide” is Citi’s premier securities market information channel, a site for clients to gain access to Citi’s global and local securities market information. He reports to Ranjit Chatterji, head of Citi’s SFS’s Global Network Management.

Sisco has more than 24 years’ experience in the financial services industry. He joined Citi from Morgan Stanley, where for the past 11 years he was global head of network management, supporting the firm’s prime brokerage, equities and fixed income trading, investment management and global wealth management businesses. Among other responsibilities, he managed a team of 26 professionals across a network of 120 agent banks in 80 countries. Sisco also established and ran Morgan Stanley’s market information website.


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