Siepe expands leadership team with two hires from U.S. Bank
24 April 2025 US

Siepe, software and technology-enabled service provider, has appointed two new hires to its leadership team.
Sean Kelley has been named product manager and Andrew Hosford as technical lead, both focusing on optimisation.
Kelley has over 25 years of experience in collateralised loan obligation (CLO) and credit markets and joins from U.S. Bank. He spent five years as head of CLO Data Analytics and Research.
He says: "Siepe delivers for credit managers through its technology-first approach, offering software that the firm itself deploys for its collateral administration and middle office businesses, as well as front office systems designed through close client collaboration. I am extremely excited about how optimisation will enhance the already strong Siepe product suite."
Hosford also joins from US Bank, where he was most recently vice president, managing the development of its portfolio engineering tool across the wealth, corporate, commercial and institutional banking innovations team.
Hosford comments: "By leveraging our data and technology driven products, Siepe will provide flexible tools for managers to map their current investment landscape, identify the desired future state of their portfolios according to their unique investment strategies, and provide the tools to achieve those outcomes."
Michael Pusateri, CEO and founder of Siepe, adds:. “We’re delighted to welcome both Sean and Andrew, whose experience will be invaluable as we further advance our optimisation capabilities, empowering our customers to make more timely, informed decisions and drive alpha.”
Sean Kelley has been named product manager and Andrew Hosford as technical lead, both focusing on optimisation.
Kelley has over 25 years of experience in collateralised loan obligation (CLO) and credit markets and joins from U.S. Bank. He spent five years as head of CLO Data Analytics and Research.
He says: "Siepe delivers for credit managers through its technology-first approach, offering software that the firm itself deploys for its collateral administration and middle office businesses, as well as front office systems designed through close client collaboration. I am extremely excited about how optimisation will enhance the already strong Siepe product suite."
Hosford also joins from US Bank, where he was most recently vice president, managing the development of its portfolio engineering tool across the wealth, corporate, commercial and institutional banking innovations team.
Hosford comments: "By leveraging our data and technology driven products, Siepe will provide flexible tools for managers to map their current investment landscape, identify the desired future state of their portfolios according to their unique investment strategies, and provide the tools to achieve those outcomes."
Michael Pusateri, CEO and founder of Siepe, adds:. “We’re delighted to welcome both Sean and Andrew, whose experience will be invaluable as we further advance our optimisation capabilities, empowering our customers to make more timely, informed decisions and drive alpha.”
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