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Karl Josef Seilern, partner at Angel Invest

Karl Josef Seilern

partner @ Angel Invest

Vienna, Austria

Karl Josef Seilern is a partner at Angel Invest

Total investments:
1
Last investment:
Lead investor:
0%

Last updated:

Industries Karl Josef Seilern invests in

ManufacturingConsumer GoodsHome Appliances

Stages Karl Josef Seilern invests in

Seed

Countries Karl Josef Seilern invests in

Austria

Contacts

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Work email
Personal email
Work phone
Personal phone
Socials

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Investment Focus

Industry

  • Manufacturing 1 (100%)
  • Consumer Goods 1 (100%)
  • Home Appliances 1 (100%)

Investments

CompanyDescriptionRoundLinks
Heizma make climate-neutral heating possible and easy for every family. It offers complete solutions that include not only heating systems, but also photovoltaic systems, power storage, e-charging stations, and intelligent energy management systems. $2.8M / Seed / Apr 29, 2025

Co-Investors

Angel Invest

About Angel Invest

VC Fund · Frankfurt, Germany

Angel Invest is one of Europe's most active early-stage funds, making 50+ investments every year into European technology startups at the pre-seed and seed stages (€100k checks). We actively coach founders and give them access to our networks.

Angel Invest Contacts

NameEmailPhoneSocials
Jag Singh
Jag Singh Managing Partner
Oliver Clasen
Oliver Clasen Managing Director

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Video Games
Hospitality
EdTech
Restaurants
Google
Construction
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CleanTech
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Social Impact
SaaS
Energy
Mobile
Consumer
Health Care
Enterprise Software
Local
Platforms
Travel
InsurTech
Oil and Gas
Retail
Film
Payments
Marketplace
Organic Food
Fitness
Machine Learning
Agriculture (AgTech)
Gaming
Social Network
Facebook
Blockchain
B2B
Medical Device
Education
Wellness
Sports
Automotive
eSports
Legal
Biotechnology
Renewable Energy
Software
Crowdfunding
Recruiting
Web3
Medical
Theatre
Venture Capital
Social
Climate
Infrastructure
Beauty
Fashion
Life Science
Food and Beverage
Publishing
LGBT
Mobile Apps
Wine and Spirits
Music
Art
Real Estate
Sporting Goods
Manufacturing
FinTech
Finance
Digital Media
Social Media
Financial Services
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FAQ

What does Karl Josef Seilern invest in?

Karl Josef Seilern invests primarily in Manufacturing, Consumer Goods and Home Appliances startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Austria. The Investment Focus section breaks down every industry, stage and country in the portfolio.

How do I contact Karl Josef Seilern?

Public channels for Karl Josef Seilern 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 Karl Josef Seilern last invest?

The most recent investment recorded for Karl Josef Seilern closed in Apr 2025. Shizune tracks 1 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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