Paul Hennessey is the Growth and Strategy Director at Amentum, where he leads business development for the Technology division across the nuclear, environment, and defence sectors. An expert in energy transition, he specializes in advanced nuclear reactors (SMR, MMR, AMR) and hydrogen applications. Paul holds an MBA from the University of Sunderland.
He is a key public voice on the strategic case for using nuclear-derived hydrogen to meet net-zero commitments, addressing the energy trilemma of security, sustainability, and affordability.
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Experience
16 Years
Current Role
Growth and Strategy Director
Job Level
Mid-senior
Location
Warrington, England, United Kingdom
Personality Overview
How Paul shows up
Good Listener
Example Driven
Fair-minded
Unlike D or C types, they are calm as well as friendly and can give the impression of being more receptive than they actually are. Scenarios where both sides can come out as winners appeal to them greatly. They are more likely to opt for solutions that are proven in the market.
Priorities
Topics Paul cares about
Nuclear-Derived Hydrogen
As a subject matter expert, he speaks at industry events on using nuclear heat for hydrogen production and its role in meeting the UK's net-zero commitments.
Advanced Nuclear Tech
Serves as the market lead for Small, Micro, and Advanced Modular Reactors (SMRs, MMRs, AMRs), focusing on new reactor deployment and co-generation projects.
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Career
Work history
1-2026
Growth and Strategy Director
Amentum
9-2024 - 1-2026
Business Development Director: Energy and Defence
Amentum
9-2023 - 9-2024
Business Development Director
Jacobs
5-2021 - 9-2023
Emerging Markets & New Technologies Lead
Jacobs
1-2019 - 6-2021
Business Development & Technical Manager - Energy (EMEA & APAC)
Evoqua Water Technologies
In the press
Media appearances
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Influence (I) reflects the degree to which a person prefers to work by influencing or persuading others. Those scoring high tend to be people oriented, motivated by social recognition and building relationships.
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