Sebastian Johnston
Angel Investor
Hamburg, Germany
Sebastian Johnston is a Venture Partner at Armira. He previously worked at Vivere and attended Instituto Tecnológico Autónomo de México.
- Total investments:
- 9
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Sebastian Johnston invests in
Stages Sebastian Johnston invests in
Countries Sebastian Johnston invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Pre-Seed
- $1.2M–$3.2M
Investment Focus
Industry
- B2B 3 (33%)
- Software 3 (33%)
- Artificial Intelligence 3 (33%)
- SaaS 2 (22%)
- FinTech 2 (22%)
Stage
- Pre-Seed 7 (78%)
- Seed 1 (11%)
- Angel 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Pactos streamlines and digitizes processes to enable large and medium-sized businesses to effectively and centrally procure and manage their contingent labor. | Pre-Seed / Sep 10, 2025 | ||
| Pactos streamlines and digitizes processes to enable large and medium-sized businesses to effectively and centrally procure and manage their contingent labor. | $3.2M / Pre-Seed / Sep 10, 2025 | ||
| Skin cancer rates have doubled in recent years. The most common problem is that the cancer is not detected early enough to be treated. In the fight against skin cancer, LemonDocs uses artificial intelligence, telemedicine, and its own specialist clinics to provide direct, fast, and comprehensive care for patients, with a focus on early preventionand personalised treatment. | Pre-Seed / Jun 12, 2025 | ||
| Parto services include business accounts, accounts with fiduciary custody, and payment cards for staff members and those receiving care. Using our proprietary software, which allows for automated billing of business expenses and digital custody fund administration. | $2.7M / Pre-Seed / Oct 15, 2024 | ||
| Recoupling is a mobile app that combines scientific findings from couples therapy with gamification. In order to have a long-term relationship, users of Recoupling become even closer as a couple and get to know each other (even) better. | Pre-Seed / Aug 29, 2023 | ||
| Notch makes the b2b buyer purchasing process simple and collaborative with a customer-facing sales room designed for speedy deal completion. | $1.2M / Pre-Seed / Jun 26, 2023 | ||
| TONI CORE is a women's online retailer. Their products include pregnancy fashion, nursing pillows, diaper bags, schwangerschafts, and leggings. contact toni core through hello@tonicore.com. | Pre-Seed / Jul 21, 2020 | ||
| Asana Rebel offers a Yoga-inspired fitness app combining the best of Yoga and fitness.The mobile fitness App is available in six languages (DE, EN, FR, PT, ESP, IT), has been featured multiple times by Apple and Google and is rated as one of the top health and fitness apps, with an average of more than 4.6 / 5 stars.The startup was foundedin 2015 by Pascal Klein and Robin Pratap and is based in Berlin. | $900K / Seed / Mar 17, 2016 | ||
| Remedium was designed to resolve issues within communities of heirs and to encourage an amicable inheritance settlement of real property. | Angel |
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FAQ
What does Sebastian Johnston invest in?
Sebastian Johnston invests primarily in B2B, Software and Artificial Intelligence startups, most often at Pre-Seed and Seed stage. Most of the 9 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Sebastian Johnston's check size?
Sebastian Johnston typically joins rounds of $1.2M–$3.2M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sebastian Johnston participates in.
How do I contact Sebastian Johnston?
Public channels for Sebastian Johnston include LinkedIn. 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 Sebastian Johnston last invest?
The most recent investment recorded for Sebastian Johnston closed in Sep 2025. Shizune tracks 9 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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