Martin Grayson in

Martin Grayson

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Director of Data Engineering at Expana
📍 London Area, United Kingdom

Martin Grayson is a data and platform leader, currently the Director of Data Engineering at Expana. He specializes in building trusted, scalable data ecosystems that drive commercial value and reduce risk. With a degree in Computer Science, colleagues describe him as a brilliant, effective, and supportive leader.

A unique aspect of his career was a secondment as Head of Cyber Security at Comparethemarket, where he was appointed to lead the squad during a critical period, embedding engineering rigor into InfoSec practices.

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Experience
7 Years
Current Role
Director of Data Engineering
Job Level
Mid-senior
Location
London Area, United Kingdom
Personality Overview

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Communication Style
Decision Approach
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Priorities

Topics Martin cares about

Data Platform Strategy
He has extensive experience owning and executing data platform strategies, including a major Kafka migration to Confluent that resulted in over £1M in annual savings.
Driving Commercial Value
His professional focus is on building data ecosystems that enable growth, reduce risk, and deliver measurable commercial outcomes for the business.
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Career

Work history

1-2025
Director of Data Engineering
Expana
6-2024 - 12-2024
Senior Engineering Manager - Cyber Security (Secondment)
Compare the Market
7-2022 - 7-2024
Senior Engineering Manager - Data Engineering Hub
Compare the Market
6-2021 - 6-2022
Head of Analytics Engineering & Business Intelligence
Monzo Bank
7-2019 - 6-2021
Engineering Manager
Just Eat Takeaway.com
In the press

Media appearances

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Education
2005 - 2008
Computer Science
University of Kent
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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