Sebastian Johnston
Venture Partner @ Armira
Hamburg, Germany
Sebastian Johnston is a Venture Partner at Armira. He previously worked at Vivere and attended Instituto Tecnológico Autónomo de México.
- Total investments:
- 7
- 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
Round size
- Pre-Seed
- $1.2M–$3.2M
Investment Focus
Industry
- Artificial Intelligence 3 (43%)
- B2B 2 (29%)
- SaaS 2 (29%)
- FinTech 2 (29%)
- Software 2 (29%)
Stage
- Pre-Seed 4 (57%)
- Angel 1 (14%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Pactos
|
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
|
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 | |
LemonDocs
|
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
|
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
|
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
|
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 | |
Remedium
|
Remedium was designed to resolve issues within communities of heirs and to encourage an amicable inheritance settlement of real property. | Angel |
Co-Investors
About Armira
Armira is an entrepreneurial industrial holding company, which participates in medium-sized companies in German-speaking countries. Our focus is on established, profitable companies with a turnover of up to 500 million euros.
Armira Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Sebastian Johnston
Venture Partner
|
|||
|
Alexander Schemann
Founder and Managing Director
|
|||
Christian Figge
Managing Partner
|
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2 more contacts available
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FAQ
What does Sebastian Johnston invest in?
Sebastian Johnston invests primarily in Artificial Intelligence, B2B and SaaS startups, most often at Pre-Seed and Angel stage. Most of the 7 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.
When did Sebastian Johnston last invest?
The most recent investment recorded for Sebastian Johnston closed in Sep 2025. Shizune tracks 7 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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