John Coustas
Angel Investor
Athens, Greece
John Coustas is a seed investor in Athens focused on Pet and Hardware. Dr. John Coustas is President and Chief Executive Officer of Danaos Corporation. He has over 25 years of experience in the shipping industry and assumed management of Danaos in 1987 from his father, Dimitris Coustas, who founded Danaos Shipping in 1972. Dr. J. Coustas is Vice Chairman and a member of the board of directors of The Swedish Club and Chairman of the board of directors of HELMEPA (Hellenic Maritime Protection Agency). Additionally, he is on the board of directors of both the Union of Greek Ship-owners and the Cyprus Union of Ship-owners. He holds a degree in Marine Engineering from National Technical University of Athens as well as a Master degree in Computer Science and a Ph.D in Computer Control from Imperial College, London.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries John Coustas invests in
Stages John Coustas invests in
Countries John Coustas invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $866k–$3.5M
Investment Focus
Industry
- Pet 1 (50%)
- Hardware 1 (50%)
- Software 1 (50%)
- Logistics 1 (50%)
- Wearables 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Forky is a mobile app. Their menu includes dishes, salads, accompaniments, refreshments, and ice cream. They deliver food from restaurants and help people. They provide food delivery and payment method services. | $865.8K / Seed / Apr 07, 2015 | ||
| Founded in 2013 by Leon Yohai, KYON Ltd is a Start-up Technology Company specialized in Consumer Electronics. We are a highly specialized team of engineers, designers and marketers who were gathered to materialize our vision. We have reinvented the common dog collar and managed to take it to a whole new level. KYON Collar is something that willprevent pet loss and also enhance communication between a pet and its owner.We just also happen to love our pets…SpecialtiesPet Wearables, Pet Tracking Collar, Smart technology, 3D GPS | $3.5M / Seed / Jan 31, 2014 |
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FAQ
What does John Coustas invest in?
John Coustas invests primarily in Pet, Hardware and Software startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Greece. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does John Coustas invest in?
John Coustas typically joins rounds of $866k–$3.5M at Seed. These are whole funding-round sizes, not John Coustas's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds John Coustas took part in.
How do I contact John Coustas?
For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Coustas last invest?
The most recent investment recorded for John Coustas closed in Apr 2015. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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