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Oliver Johnston-Watt

Investment Associate

,

London

Oliver brings a strong founder-first perspective to early-stage investing, having co-founded two venture-backed startups: an enterprise middleware provider built on a commercial open-source model and a digital media roll-up. Before joining OpenOcean, Oliver spent two years at PXN Group (formerly Par Equity), where he originated and led Seed and Series A investments across deeptech and B2B software. He also gained experience at a single-family office, developing innovation frameworks that connected venture portfolios with major industrial holdings. Oliver holds a BA in History (Ancient and Modern) from the University of Oxford, where he was also a choral scholar. He is particularly interested in the transformative potential of AI across legacy European industries.

Investment theme coverage

Horizontal & vertical AI automation
AI-enabled services

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News highlights

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6
min read

Why we invested in Ubitium

OpenOcean has invested $4 million in Ubitium’s $14 million seed round, led by US-based Ibex Investors with participation from Quantum Systems co-founder Florian Seibel and existing backers KBC Focus Fund, Runa Capital, and Inflection.
6
min read

IQM's dual listing is a blueprint for European deep tech

In July IQM Quantum Computers started trading on Nasdaq New York and Nasdaq Helsinki, on subsequent days.
8
min read

Three things the State of Quantum 2026 report tells an early-stage investor

The State of Quantum 2026 report shows quantum computing maturing into a real market. For investors, the biggest opportunities lie in enabling infrastructure today and commercial adoption tomorrow.