Jonathan Daplyn in

Jonathan Daplyn

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Chief Technology Officer at Clear Street
📍 New York, New York, United States

Jonathan Daplyn is the Chief Operating Officer at Clear Street, a role he stepped into after joining as CIO in 2023. His focus is on modernizing capital markets with a technology-first approach. He previously spent 27 years at Morgan Stanley, where he was the Global Head of Prime Brokerage Technology and holds a B.Sc. from UCL.

Outside of his direct professional responsibilities, Jonathan maintains a strong interest in the broader business and financial landscape. He keeps abreast of market trends and technology insights by following leading publications such as The Wall Street Journal, Forbes, and the Harvard Business Review.

After a distinguished 27-year career at Morgan Stanley, he made the significant move to join Clear Street to help build its cloud-native financial infrastructure.

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Current Role
Chief Technology Officer
Location
New York, New York, United States
Personality Overview

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Priorities

Topics Jonathan cares about

Capital Markets Infrastructure
He joined Clear Street to help fulfill its mission of rebuilding core capital markets infrastructure on a modern, cloud-native platform, replacing outdated legacy systems.
Prime Brokerage Tech
Leverages over two decades of experience, including leading global prime brokerage technology at Morgan Stanley, to shape Clear Street's offerings for institutional clients.
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Career

Work history

7-2026
Chief Technology Officer
Clear Street
1-2025 - 7-2026
Chief Operating Officer
Clear Street
9-2023 - 1-2025
Chief Information Officer
Clear Street
10-2016 - 9-2023
Head Prime Brokerage Technology
Morgan Stanley
7-2012 - 9-2023
Head Derivatives Clearing Technology
Morgan Stanley
In the press

Media appearances

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Education
1993 - 1996
B.Sc. (Hons)
UCL
Social presence
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Behavioral profile

DISC profile (public)

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