Jim O’Neill – Startup Investor Profile

Jim O’Neill is focused on investing in high-growth businesses to boost productivity, with a geographical preference for the UK market. He has previously invested in start-up science and technology companies in the Manchester-Sheffield-Leeds university triangle. Jim O’Neill’s collaboration style involves impactful leadership and managing recruitment teams to achieve aggressive goals, aligning team goals with business objectives.

Location: Cambridge, MA

Country: United Kingdom of Great Britain and Northern Ireland

Investment Regions: EU, NA

Investment Stages: pre-seed, seed

Website:

AI Reasoning: From sources including Wikipedia and a press release, Jim O’Neill joined the board of ADvantage Therapeutics in March 2023 and is involved in investments and board roles. However I found a Technology Review article dated June 30, 2025 mentioning his recent activity. I located evidence of his investment/board activity in 2025 (e.g., involvement with ADvantage Therapeutics and mentions in 2025 articles). The most recent clear investment/board involvement found is in 2025 (within 6 months), indicating very recent activity. The startup named in the investment/board action is ADvantage Therapeutics Inc.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.