Joanna Graiver

VC at OpenOcean | AI, Data, Infra, DevTools

📍 United Kingdom🔄 Updated September 2026💼 1 investments📅 2 years investing🗓 Last invested Sep 2024
VC🌍 United Kingdom
1
Total investments
0
Early stage
0
Mid stage
0
Late stage
2y
Years active

Portfolio

1 investments · sorted by recency
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Investor
Sep 2024
OpenOcean is a pan-European early-stage Venture Capital investor with offices in Helsinki and London. Our investment strategy focuses on leading or co-leading Seed and Series A investments with initial ticket sizes up to €5m in European B2B software companies driving the data economy. Our founding team members include key persons behind MySQL AB (sold to Sun Microsystems Inc. for $1 Billion in 2008), after which the team jointly built category leader MariaDB Corporation Ab, as well as forming and managing OpenOcean. OpenOceans DNA is rooted in having a deep understanding of the underlying technology and software stacks, which drive the growth of innovative new digital platforms and services. Our strong technical background and expertise allows us to identify and invest in the next game-changing and category winning start-ups at the early-stages, whose unique solutions can be rapidly scaled and adopted globally.
Experience · 9 entries
All (9)
Investments (1)
Founder (3)
2024
Investor
Sep 2024
OpenOcean is a pan-European early-stage Venture Capital investor with offices in Helsinki and London. Our investment strategy focuses on leading or co-leading Seed and Series A investments with initial ticket sizes up to €5m in European B2B software companies driving the data economy. Our founding team members include key persons behind MySQL AB (sold to Sun Microsystems Inc. for $1 Billion in 2008), after which the team jointly built category leader MariaDB Corporation Ab, as well as forming and managing OpenOcean. OpenOceans DNA is rooted in having a deep understanding of the underlying technology and software stacks, which drive the growth of innovative new digital platforms and services. Our strong technical background and expertise allows us to identify and invest in the next game-changing and category winning start-ups at the early-stages, whose unique solutions can be rapidly scaled and adopted globally.
2023
Associate
Sep 2023
Fuel Ventures Limited (FRN: 723915) is an Appointed Representative of Palace Ventures (FRN: 433291) which is authorised and regulated by the Financial Conduct Authority.
2022
Campaigns Manager
Jan 2022
At Crowdcube, we believe in the power of funding with impact. Behind 20 of the most popular crowdfunding campaigns of all time, we are Europe’s leading equity crowdfunding platform — empowering founders to raise the capital they need to make a lasting difference in the world. Our platform provides an innovative approach to fundraising, connecting ambitious entrepreneurs with a vibrant community of investors who are passionate about supporting meaningful ventures. Having worked with the likes of Monzo, ZOE, Qonto, Heura, what3words and more, we want to help take your business to the next level. Risk Warning: Investing in start-ups and early stage businesses involves risks, including illiquidity, lack of dividends, loss of investment and dilution, and it should be done only as part of a diversified portfolio. Crowdcube is targeted exclusively at investors who are sufficiently sophisticated to understand these risks and make their own investment decisions. You will only be able to invest via Crowdcube once you are registered as sufficiently sophisticated.
2021
Founder & CEO
Mar 2021
Fruitful Health provides couples with a unique fertility experience, designed to be done in the comfort of their own home, on their own time and with the ones they love. We provide: - Accurate and discrete at-home fertility tests for you and your partner. - Medical experts on demand ready to answer your questions and guide you on next steps. - Access to products and services for you and your partner to understand and improve your reproductive health together. *We are launching soon! Make sure to sign up on our website for early access*
Founder in Residence LD16
Mar 2021
Entrepreneurs First invests in exceptional individuals to build startups from scratch. We bring together talented outliers to develop their most ambitious ideas and raise money from the world’s best investors. Since pioneering Talent Investing in 2015, we’ve learned to recognize individuals with extraordinary futures before anyone else, embedding them in a community of ambitious peers and giving them the tools they need to succeed, fast. We back them before they have a company, a team, even before they have an idea, based purely on talent. EF’s portfolio is now collectively valued at over $16B, and includes companies such as Aztec, Cleo, Magdrive, Neptune, Omnea, Opply, PolyAI, Tractable, and many more. EF is backed by some of the worlds leading founders and investors, including Founders Fund, Greylock, John Collison (founder – Stripe), Patrick Collison (founder – Stripe), Reid Hoffman (founder – LinkedIn), Eric Schmidt (former CEO - Google), Demis Hassabis (founder – Google DeepMind ), Taavet Hinrikus (founder – Wise), Matt Mullenweg (founder – WordPress), Charlie Songhurst (Board member – Meta), Christa Davies (Board member – Stripe), Lachy Groom (founder – Physical Intelligence), Aidan Gomez (founder – Cohere), Mati Staniszewski (founder – ElevenLabs), Danny Rimer (Partner - Index Ventures), Matt Cohler (former General Partner - Benchmark). We exist to make great companies happen that otherwise wouldn’t. For more information about Entrepreneurs First, visit www.joinef.com Were hiring! Join our global team and experience firsthand the workings of a globally unique talent investor working with cutting edge entrepreneurs on world changing technologies: https://www.joinef.com/about/careers
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