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Philip Johnston

Philip Johnston

Co-Founder & CEO of Starcloud, building data centers in space

Redmond, Washington
Joined January 2025

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Summary

Philip Johnston is a serial entrepreneur with a strong background in finance, venture capital, and technology. He has successfully founded and led two significant ventures: Opontia, an e-commerce aggregator that raised over $50M and was acquired, and Starcloud, which is pioneering the development of data centers in space to tackle the AI energy challenge, raising $21M in seed funding. starcloud+4
His career demonstrates a blend of financial acumen and strategic consulting, with experience as an algorithmic trader at BNP Paribas CIB and as an Associate at McKinsey & Company, where he focused on satellite projects for national space agencies. This diverse background underpins his current ambitious endeavor with Starcloud. starcloud+3
Philip is highly educated, holding multiple advanced degrees including an MPA in National Security & Technology from Harvard University, an MBA from the Wharton School, and an MA in Applied Mathematics & Theoretical Physics from Columbia University. He is also a CFA Charterholder. starcloud+4

Work

Education

Notes

HSHarsimret Singh Dhamisaid that if they had to pick founders from their YC network to back,
PJPhilip Johnston
would be at the top of their list.

May 12, 2026

AFAllan Fischsaid
PJPhilip Johnston
has made a significant impact in satellite data processing or storage solutions.

Nov 19, 2025