Rene Giretzlehner
Angel Investor
Austria, Philippines
Rene Giretzlehner is a Head of Engineering at Leaders21com.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Rene Giretzlehner invests in
Stages Rene Giretzlehner invests in
Countries Rene Giretzlehner invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 3 (75%)
- B2B 1 (25%)
- Apps 1 (25%)
- Dating 1 (25%)
- Banking 1 (25%)
Stage
- Angel 2 (50%)
- Seed 1 (25%)
- Venture - Series Unknown 1 (25%)
Country
- Austria 3 (75%)
- United Kingdom 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| signteq provides an identity and onboarding platform for businesses. Its services include identity verification, document processing, biometric checks, KYC and KYB workflows, AML screening, sanctions and politically exposed person screening, fraud prevention, and electronic signatures. The platform also supports open banking, national electronic identity schemes, age verification, mobile identity checks, and reusable identity services. Businesses access these capabilities through a platform and API to manage customer, business, and compliance verification processes. | Venture - Series Unknown / Sep 16, 2026 | ||
| Paired is to make couple relationships happier and healthier. We do this by helping people to make fun, small, positive steps to improve their relationship each day. | $1M / Angel / Oct 02, 2020 | ||
| Mimo is an app that teaches the computer science in a fun and interactive way. Mimo’s lessons are fun and interactive, fit into people’s everyday lives, and lead them to make a habit of self-improvement. Getting through to more than 1.5 million people and achieving completion numbers far above the industry average, Mimo is well on its way tobecoming the one-stop shop for education and entertainment on the go. | $650K / Seed / Mar 09, 2017 | ||
| pagestrip is a digital publishing software used by agencies and corporate for online magazines, annual reports, microsites or presentations.The company offers pagestrip, a platform that allows artistic and creative professionals to publish stories; publishers to organize content in a desired context; and readers to view stories and storycollections in Web browsers on desktop and laptop computers, tablets, and smartphones. | Angel / Jun 17, 2014 |
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FAQ
What does Rene Giretzlehner invest in?
Rene Giretzlehner invests primarily in Software, B2B and Apps startups, most often at Angel and Seed stage. Most of the 4 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 Rene Giretzlehner?
Public channels for Rene Giretzlehner include LinkedIn and X (Twitter). 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 Rene Giretzlehner last invest?
The most recent investment recorded for Rene Giretzlehner closed in Sep 2026. Shizune tracks 4 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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