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Rene Giretzlehner, Angel Investor

Rene Giretzlehner

Angel Investor

Austria, Philippines

Rene Giretzlehner is a Head of Engineering at Leaders21com.

Total investments:
3
Last investment:
Lead investor:
0%

Last updated:

Industries Rene Giretzlehner invests in

SoftwareAppsDatingInternetMarketing

Stages Rene Giretzlehner invests in

AngelSeed

Countries Rene Giretzlehner invests in

AustriaUnited Kingdom

Contacts

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Investment Focus

Industry

  • Software 2 (67%)
  • Apps 1 (33%)
  • Dating 1 (33%)
  • Internet 1 (33%)
  • Marketing 1 (33%)
See all 12 industries →

Stage

  • Angel 2 (67%)
  • Seed 1 (33%)

Country

  • Austria 2 (67%)
  • United Kingdom 1 (33%)

Investments

CompanyDescriptionRoundLinks
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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Clean Energy
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Travel
Platforms
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Oil and Gas
Retail
Social Impact
Cryptocurrency
SaaS
Film
Restaurants
Photography
Payments
Email
CleanTech
Energy
Marketplace
Organic Food
Fitness
Machine Learning
Health Care
Agriculture (AgTech)
Gaming
Facebook
Blockchain
B2B
Social Network
Video Games
Big Data
Medical Device
Wellness
Education
Mobile
Automotive
Sports
Legal
eSports
Construction
Hospitality
Biotechnology
Consumer
Software
Renewable Energy
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Theatre
Medical
Recruiting
Web3
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Fashion
Social
Beauty
Infrastructure
Cannabis
LGBT
Celebrity
Climate
Mobile Apps
Life Science
Wine and Spirits
Food and Beverage
Publishing
Music
Art
Real Estate
Sporting Goods
Manufacturing
Digital Media
FinTech
Finance
Financial Services
Social Media
Franchise
Mobile Advertising
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Internet
Android
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Hardware
Biotech
Impact
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Transportation
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Community
Media (Entertainment)
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FAQ

What does Rene Giretzlehner invest in?

Rene Giretzlehner invests primarily in Software, Apps and Dating startups, most often at Angel and Seed stage. Most of the 3 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, X (Twitter) and the website linked on this profile. 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 Oct 2020. Shizune tracks 3 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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