Joseph Fitzsimons

Founder at

Horizon Quantum Computing Pte Ltd.

Net worth: 292 M $ as of 30/08/2026

43 year

Technology Services

Profile

Joseph F.
Fitzsimons is the founder of Horizon Quantum Computing Pte Ltd., founded in 2018, where the title held is Chief Executive Officer & Director.
Dr. Fitzsimons currently holds the position of Chairman & Chief Executive Officer at Horizon Quantum Holdings Ltd., starting in 2026.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
100%	13/04/2026	19,744,585 ( 100% )	292 M $	30/08/2026

Joseph Fitzsimons active positions

Companies	Position	Start
Horizon Quantum Computing Pte Ltd. Horizon Quantum Computing Pte Ltd. Information Technology ServicesTechnology Services Develops software tools for quantum computers	Founder	31/12/2017

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Private companies	1
Horizon Quantum Computing Pte Ltd. Horizon Quantum Computing Pte Ltd. Information Technology ServicesTechnology Services Develops software tools for quantum computers	Technology Services