All three executives will be based in London and report to Jeannine Lehman, head of EMEA for global collateral services.
Lehman said: “Day, Kiely and Cook bring extensive industry experience and skills to our strong and growing global collateral services team. BNY Mellon continues to invest in the collateral services, products and solutions that support our clients as they continue to grapple with extensive marketplace and regulatory change.”
Kiely, managing director and head of securities lending sales and business development, joins BNY Mellon from Citigroup where his responsibilities included securities finance client management and sales. His previous career experience includes roles with Swapswire, HVB Corporates & Markets, UBS and Bank Austria Creditanstalt.
Day will become managing director and head of securities finance in EMEA. He will also report to James Slater, global head of securities financing for the bank.
Day joins BNY Mellon from UBS, where he served as executive director of UBS Investment Bank.
Cook, managing director, relationship executive and head of secured finance sales, joins from Solo Capital, where he was responsible for equity finance trading.
At Solo Capital, Cook also coached the sales and execution teams, contributing to the strategic planning and direction of the business, profit generation and client relationships. Prior to that, he held leadership roles with HSBC, Rabobank International and Salomon Smith Barney.