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Organizational Chart of Atrium Underwriters
Atrium Underwriters Org Chart
www.atrium-uw.com
has
39 executives
- and belongs to
Enstar
+44 207 327 4877
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CEO
John Fowle
Move
Chairman of the Board
Christophe Stooke
Move
Director
Gordon Hamilton
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CFO
Kirsty Steward
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CIO
J...
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Business Change
A...
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COO
James Cox
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Compliance
J...
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Underwriting
P...
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COO, Underwriters
J...
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Underwriting
T...
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Accident & Health
R...
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Hull & War
M...
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Liability
A...
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Int'l Professional Liability
M...
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Political Violence
S...
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Int'l Liability
A...
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Outwards Reinsurance
D...
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Liability & Casualty
W...
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Risk Management
S...
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Digital & Risk
S...
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Diversified Risk
M...
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Strategy
H...
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BusDev
A...
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Assistant to CEO & London Pr...
L...
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HR
L...
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Claims
N...
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Culture & Strategy Integrati...
R...
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Sustainability
L...
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HR Business Partner
L...
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Marine, Aviation & Energy
D...
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Aviation
B...
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Aviation Reinsurance
S...
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Energy
T...
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Mktg & Comms
G...
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Property
M...
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Int'l Property Binders
G...
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Property
S...
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Innovation (Sep 2026 ->)
H...
Move
Updated Feb 3, 2026
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Atrium Underwriters has 39 executives
Sixth Street
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Enstar
Atrium Underwriters
Cranmore
Cranmore US
GreenSky
Sixth Street Specialty Lending
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