Jonathan Oppenheimer
Angel investor in Johannesburg
Johannesburg, Gauteng
Jonathan Oppenheimer, Angel investor in Johannesburg is an active investor based in Johannesburg, Gauteng. This profile covers what Jonathan Oppenheimer backs, at which stage, and how founders can reach out in 2026.
Mr. Jonathan Oppenheimer is the Founder & serves as Partner at Oppenheimer Partners. He is an Angel Investor. He serves as Board Member at Polar Night Energy. He is a South African businessman and philanthropist. He began his career at NM Rothschild & Sons, before moving to Anglo American and subsequently De Beers, where he held several senior management roles in Southern Africa and London for over two decades. He founded Oppenheimer Partners in 2016, with the aim of creating an investment group that will span the primary pillars and sectors of key markets over time.
- Investor type
- Angel
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Climate & EnergyAgTech & Agriculture
- Location
- Johannesburg, Gauteng
- Typical check
- $3.8M
- Past investments
- 3
Notable investments
How to reach Jonathan Oppenheimer
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Frequently Asked Questions
What does Jonathan Oppenheimer invest in?
Jonathan Oppenheimer invests in Climate & Energy and AgTech & Agriculture, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Oppenheimer invest at?
Jonathan Oppenheimer typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jonathan Oppenheimer's typical check size?
Jonathan Oppenheimer typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do I contact Jonathan Oppenheimer?
Unlock Jonathan Oppenheimer's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.