James Cox

Co-Founder

Vytal Ventures

Apr 2026 - Current (4 months)

Vytal Ventures is an athlete-backed, founder-led, AI-native venture studio building health, fitness and wellbeing businesses. We co-found, build and scale ventures, with in-house product, engineering and commercial support from day one. Founded by Jack Malin and Dave Rushton (Membr), in partnership with Inner Circle.

Co-Founder

Inner Circle

Sep 2025 - Current (11 months)

Building Inner Circle, a founder-first investment platform backed by a hyper-connected global group of partners from the highest levels of sport, entertainment, technology, and finance. We invest in category-defining founders at the growth stage and back them with the access, influence, and reach of our network, helping them open doors, shape outcomes, and win. Portfolio includes: Revolut, xAI, Anthropic, and Fanvue.

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Founder

Optimal Health

May 2024 - Current (2 years 3 months)

Building the leading connected ecosystem integrating diagnostics, hardware, and AI to extend healthspan, elevate performance, and bring advanced wellness into daily life.

Board Member

Townhouse

Jun 2023 - Current (3 years 2 months)

Europe’s fastest-growing beauty brand, with 100+ owned and franchised locations in development across the US, Middle East, and beyond.

Board Advisor

Townhouse

Jun 2023 - Apr 2026 (2 years 11 months)

Europe’s fastest-growing beauty brand, with 100+ owned and franchised locations in development across the US, Middle East, and beyond.

Founder

BIOME

Apr 2023 - Jan 2025 (1 year 10 months)

Founded BIOME9, a pioneer in canine microbiome testing and precision supplementation. The company developed a category-leading gut health platform leveraging microbiome analysis, proprietary data, and science-backed formulations to deliver personalised nutrition for dogs. In 2025, BIOME9 was acquired by Vafo Group, Europe's leading pet food manufacturer with >$500m of annual turnover.

Founder (Acquired)

BIOME

Apr 2023 - Jan 2025 (1 year 10 months)

Pioneer in AI-driven canine microbiome platform combining laboratory testing, genomic sequencing, and data analytics to deliver personalised nutrition — acquired by Vafo Group, Europe’s leading pet nutrition company.

Co-Founder

itch

Jan 2019 - Jun 2024 (5 years 6 months)

Europe’s largest direct-to-consumer parasite protection subscription brand.

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Founder

Simba Sleep

Dec 2015 - May 2025 (9 years 6 months)

Founded, built, and scaled Simba Sleep from concept to market leadership, growing the business to over $150m in profitable annual revenue and establishing it as one of Europe’s most recognised direct-to-consumer brands. In 2025, Simba was acquired in a significant nine-figure transaction by a Fairfax Financial backed company.

Founder & CEO (Acquired)

Simba Sleep B Corp

Dec 2015 - May 2025 (9 years 6 months)

Europe’s fastest-growing sleep technology brand, scaling to $150m in profitable annual sales, acquired by Sleep Country (Fairfax Financial) in a significant 9-figure transaction.

Family Office

Stonebridge

Jan 2013 - Current (13 years 7 months)

Stonebridge is a private family office.

Founder & Principal

Stonebridge

Jan 2013 - Current (13 years 7 months)

Private Family Office.

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Founder (Acquired)

Fintech Co

Jun 2010 - Oct 2011 (1 year 5 months)

Fintech platform transforming institutional FX through technology-led transparency and execution efficiency, acquired by a hedge fund.

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Founder

Fintech Co

Jun 2010 - Oct 2011 (1 year 5 months)

Founded a fintech company specialising in Foreign Exchange hedging and spread optimisation for institutional clients. The platform formed part of a broader infrastructure managing over £10bn in FX transactions per month. Acquired by a strategic partner.

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