Daniel Tenengauzer joins BNY Mellon after more than three years with New York-based hedge fund Tse Capital Management.
Seema Arora joins Instinet after 10 years with Kepler Cheuvreux and has previously worked at JP Morgan.
The co-head of Citi’s Americas prime finance business has left after two years with the US bank.
Credit Suisse has added new technology and reshuffled senior leadership to the algorithmic trading division as it looks to regain market share.
Jes Staley said Barclays has gained roughly $20 billion from Deutsche Bank as it targets growth of prime brokerage business.
John Flint has resigned as group CEO at HSBC after taking on the role in February 2018.
David Fellah will head up quantitative trading strategy research and execution consulting at Instinet, after just over a year at ITG.
Deutsche Bank hopes the transition will close by end of this year, but BNP Paribas has said it will likely be completed in its entirety by summer next year.
Jason Vitale was formerly group COO for FX and head of client execution services at BNY Mellon.
The new division is the latest in a string of restructuring moves in recent months as Citi looks to streamline its businesses.