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James Cox
Person profile

James Cox

Founded
Optimal Health, Biome9, The Growth Foundation +3 more
Backed
Townhouse, SuperAwesome, Prevayl +4 more
Education
Uppingham School

Investments 7

Companies backed, as recorded by Dealroom. Highest company valuations first.

Townhouse
SuperAwesome
→
Prevayl
→
CleanCo
→
Plxsur
1 recorded funding round · Latest in 2026
Marfa Stance
Contis Group

Companies founded

Optimal Health
Founder · 2024 – present
Biome9
Founder · 2023 – 2025
The Growth Foundation
Chairman · Founder · 2021 – present
Itch Pet
Chairman · Founder · 2018 – present
→
Simba Sleep
Board Member · CEO · Director · Founder · 2015 – present
→
Stonebridge (London)
Founder · Managing Partner · 2012 – present

Currently

Active roles, board seats and partnerships.

Plxsur
Founding Shareholder & Board Advisor · 2023 – present
Townhouse
Board Member · Investor · 2023 – present
Carbon Theory
Board Member · 2018 – present
YYX Capital
Managing Partner · 2005 – present
Mahabis
CEO
Straight Teeth Direct
NED
Waldo
NED
→

Work history

Past roles by Dealroom records.

Marfa Stance
Advisor · Investor · 2021 – 2022
Contis Group
Advisor · Investor · 2015 – 2021
SuperAwesome
Advisor · Investor · 2013 – 2020
→

Education

Uppingham School
until 2018
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