# Top 45 Internet Angel Investors in Austria in May 2026

## Hermann Hauser
- Type: Angel
- Location: Cambridge, Cambridgeshire, United Kingdom
- Relevant deals: 5
- Stages: Series A, Seed
- Focus: Software, Machine Learning, Artificial Intelligence

Hermann Hauser co-founded Amadeus Capital Partners in 1997 with Anne Glover and Peter Wynn. In his long and successful history as an entrepreneur and venture capitalist, Hermann has founded or co-founded companies in a wide range of technology sectors. These include Acorn Computers (where he helped spin out ARM), Active Book Company,Virata, Net Products, NetChannel and Cambridge Network Limited. He was a founder director of IQ (Bio), IXI Limited, Vocalis, SynGenix, Advanced Displays Limited (acquired by Cambridge Display Technology), Electronic Share Information Limited, E*Trade UK and has supported many other start-ups.Hermann’s successes at Amadeus include: CSR plc (LON: CSR); Entropic Research Laboratory (acquired by Microsoft in 1999); Solexa (acquired by Illumina in 2007); and Icera (acquired by Nvidia in 2011). He is currently a non-executive director of XMOS, a company that is revolutionising re-configurable silicon chips; Intune Networks, a pioneer in the field of Optical Packet Switch & Transport; Tobii, the world leader in eye tracking and gaze detection; Plastic Logic, the first company to commercialize flexible plastic transistors (currently used in computer displays); and Cambridge Broadband Networks, a leader in point-to-multipoint wireless backhaul products.Hermann holds an MA in Physics from Vienna University and a PhD in Physics from the University of Cambridge. He is a Fellow of the Institute of Physics and of the Royal Academy of Engineering, and an Honorary Fellow of King's College, Cambridge. Hermann holds honorary doctorates from the Universities of Bath, Loughborough and from Anglia Ruskin University and was awarded an Honorary CBE for ‘innovative service to the UK enterprise sector’ in 2001. In 2004, he was made a member of the Government’s Council for Science & Technology. In 2012 he became a Fellow of the Royal Society in recognition of his contribution to the translation of science into business, and in 2013 a Distinguished Fellow of BCS, the Chartered Institute for IT.Austrian by birth, Hermann speaks German, English and conversational Italian and French.

## Michael Altrichter
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 3
- Stages: Seed, Angel, Pre-Seed
- Focus: FinTech, Finance, Internet

Michael Altrichter - Managing Director and Director @ Paysafecard

## Klaus Hofbauer
- Type: Angel
- Location: Linz, Oberosterreich, Austria
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Marketplace, Apps, Music

Klaus Hofbauer - Owner @ karriere.at

## Markus Ertler
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 2
- Stages: Pre-Seed, Seed
- Focus: Parking, Software, Sensor

Markus Ertler - Investor @ Ubiq.ai

## Nikolaus Futter
- Type: Angel
- Relevant deals: 2
- Stages: Pre-Seed, Seed
- Focus: Software, Sensor, Parking

Nikolaus Futter - Chairman @ PSI Alliance

## Bernhard Niesner
- Type: Angel
- Location: London, England, United Kingdom
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: Software, Apps, Energy Management

Bernhard Niesner is the CEO and Co-Founder of busuu – the world´s largest social network for language learning with more than 35m users. busuu provides language courses in 12 different languages combined with direct interaction with native speakers from the community. The London-based start-up received several awards and was named “Best EducationStart-Up in 2011” by TechCrunch. busuu is backed by renown business angels like Martin Varsavsky and received investment from PRO-Founders Capital.Before founding busuu, Bernhard worked at Roland Berger Strategy Consultants. In addition to busuu, he is Associated Professor at IE Business School in the area of online marketing.Bernhard graduated summa cum laude in International Business from the University of Vienna and holds an MBA (with honors) from IE Business School. In 2009 he was awarded “Entrepreneur of the year” in Austria.

## Joerg Floeck
- Type: Angel
- Relevant deals: 2
- Stages: Angel, Series A
- Focus: Apps, SaaS, Travel

Joerg Floeck - Managing Partner @ Speedinvest

## Michael Brehm
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 2
- Stages: Seed, Angel, Series A
- Focus: Software, Financial Services, Machine Learning

Michael Brehm is one of the biggest names in the German startup scene. Having sold companies to Google and eBay, taken one company public, and starting an investment company, Brehm has had the right instinct for future trends and has built multiple businesses to disrupt the status quo.During the early 2000’s, he was Executive Director andInvestor at the social network startup VZ-Netzwerke, as well as co-founder of Rebate Networks, which became one of the two largest global e-commerce platforms, positioning Brehm as an expert at not only seeing, but also driving a business, during significant global market transitions.One of his more recent ventures is i2x. Since 2017, Brehm has been the Founder and Managing Director of i2x, an artificial intelligence startup based in Berlin. Together with his team, Brehm is working on solving a problem that he repeatedly faced in his career: ensuring quality and delivering unprecedented customer satisfaction during every sales and service call.
i2x helps companies deliver actionable insights from every customer phone call in real-time using its custom developed voice recognition technology and AI algorithms. i2x automatically generates personalized coaching for the user that is tailored to both their speaking style, as well as their business priorities to drive immediate results in sales and service conversations.After spending two years in stealth mode, i2x secured a €5 million seed round of financing in 2018. In 2019, i2x received €10 million as fresh capital in a Series A funding. The Berlin-based start-up is now entering additional markets and further innovating their speech analysis solution to optimize human communication and transform every customer-company relationship.

## Dr. Cornelius Boersch
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: E-Commerce, Software, FinTech

Dr. Cornelius (“Conny”) Boersch is an entrepreneur, business angel and founder of numerous technology companies. Conny is considered one of the bestconnected networkers in the tech and start-up scene. He is the founder of the global company builder Mountain Partners as well as the global co-investment company Conny & Co. Conny initiated theEntrepreneurs Day at the Tegernsee, one of the most exclusive conferences in Europe and regularly holds speeches at universities or tech events all over the world. As a business angel, he has invested in more than 300 companies since 1995 and was voted “European Business Angel of the Year” in 2009. He is a European Investment Fund (EIF) - certified super angel, which means that, subject to certain restrictions, the EIF matches all of his startup investments 1 to 1.As an entrepreneur, Conny previously founded the stock-listed RFID-based companies ACG, Smartrac and Identiv as well as the cashless payment systems provider Sandpiper. For his activities he was named “Entrepreneur of the Year” in 2000. Politically, Conny acted as advisor to Dr. Guido Westerwelle, former president of the German Liberal Party, FDP, Vice-Chancellor and Foreign Minister of Germany from 2009 to 2012.He studied at the European Business School in Oestrich-Winkel and earned his Ph.D. from the University of Essen with a thesis on venture capital and investing. He later also acted as honorary professor and held lectures at the University of Essen.

## Michael Ströck
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 2
- Stages: Seed, Pre-Seed, Angel
- Focus: Health Care, Medical, Information Technology

Founding partner and investor at Calm/Storm Ventures. Previously founded companies in consumer e-commerce (KochAbo; exit to Marley Spoon in 2015) and enterprise SaaS (Gustav; YC S17). Launched and grew successful open source projects (Vienna RSS; over 10 million downloads), as well as various community and charity projects (FounderTalks.org,Chancen:reich).I‘m especially passionate about the very early stages of company-building and have a track-record of early stage investments in my own companies, as well as healthcare and health-tech startups like Mediclass, hi.health and Probably Genetic (YC W19). Other notable investments include Flaviar (YC S14), Joblocal.de (Exit 2015), Kiko, Biloba and an investment as one of the first limited partners in Austrian venture fund Speedinvest.

## Alberto Sanz De Lama
- Type: Angel
- Relevant deals: 1
- Stages: Angel
- Focus: Mobile, Real Estate, Semantic Search

Alberto Sanz is a well-respected personality in the online business. Sanz was CEO of eBay Austria & Switzerland and currently holds the position of Managing Director at autoscout24.com, Europe’s largest car classifieds website.Alberto Sanz de Lama has a degree from the University of Zurich in Business and an MBA from INSEAD at Fonainebleau. Hehas published numerous articles on e-commerce and online related topics. Alberto Sanz has been a Brand Manager for 5 years at Procter & Gamble in Switzerland and Austria and has been a consultant with McKinsey and Company. He later joined Mobipay in Madrid, a leading online payment platform for JV, BBVA, Vodafone and Amena as a vice president for more than three years.The fund benefits from his extensive expertise in the field of online business and in management as well as his networking skills in the online corporate world.

## Paul Scheithauer
- Type: Angel
- Relevant deals: 1
- Stages: Series A
- Focus: Internet, Recruiting, Staffing Agency

Paul Scheithauer

## Roman Scharf
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Series B, Series A, Pre-Seed
- Focus: Energy, Video Editing, Financial Services

General Partner at 3VC.

## Joerg Trouvain
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Angel
- Focus: Travel, Tourism, Marketplace

Joerg Trouvain is a renowned authority of the European travel industry and an experienced expert in the e-commerce sector: He will now function as CEO of the new company ProSieben Travel GmbH. From 2009 until 2012, he was the CEO of HolidayCheck AG, one of the most successful e-commerce companies in German-speaking regions. Prior to that he spentmany years in the field of interactive entertainment as the head of European operations at Activision Blizzard in London and as Managing Director for Electronic Arts in Germany, Austria, and Switzerland. His career included earlier positions in sales management at BMG and in key account management at BASF Magnetics.

## Heissam Hartmann
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Angel, Seed
- Focus: E-Commerce, Retail, Shopping

Over 15 years experience in the Internet industry back Heissam Hartmann's solid knowledge about the online business.Prior to joining Rebate Networks as the Vice President of Eastern Europe, Heissam was Head of International Business Development at the largest German online fashion shopping club brands4friends. Before that, Heissam was CEOof the online postcard service AhaOho, which sent real postcards, and was soon successfully sold to Greetz.As the former Marketing & Business Development Director from the biggest German online video community MyVideo, Heissam, worked on new concepts for new media and video advertising within the online and media industry.He started his career as one of the first staff members at the German auction platform Alando.de, which was acquired by eBay in 1999. He grew with the company as Head of Entertainment on to the position of Senior Manager, helping to build up eBay Switzerland and Austria from the scratch.On an entrepreneurial level he co-founded various companies and, as a Business Angel, advises start-ups in building and growing their businesses. Following his passion he also co-founded fashion brands and personally supported motion pictures and music projects.As the founder of Passiontainment, he advises influential people from the entertainment & sports industries and celebrities on their internet strategies and by that, bridges the worlds between influential investors and up-and-coming startups.

## Erwin Stricker
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Music, Digital Media, Music Streaming

Erwin Stricker

## Louis Pfitzner
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: B2B, Local, Sports

Entrepreneur (Salonmeister / Treatwell, CAYA, Delivery Hero) and Angel Investor. Passionate about company building (marketplace and SaaS) espcially when it's in the SMB space.

## Albert Schmidbauer
- Type: Angel
- Location: Salzburg, Salzburg, Austria
- Relevant deals: 1
- Stages: Pre-Seed, Series A
- Focus: Marketplace, Food Processing, Food and Beverage

Albert Schmidbauer is the Founder and Owner of Biogena Group.

## Christian Passet
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Seed
- Focus: Computer, Software, Smart Home

Christian Passet - System Developer and Co-Founder @ Flatout Technologies

## Erik Blachford
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Travel, E-Commerce, Marketplace

Currently a Venture Partner at Technology Crossover Ventures, Erik has previously served as CEO of Expedia, Inc. and IAC/InterActiveCorp's travel division, IAC Travel (including online travel businesses Expedia, Hotels.com, Hotwire, Classic Custom Vacations and Interval International), CEO at Butterfield & Robinson and CEO atTerrapass, Inc.His prior positions at Expedia Inc. included SVP of Marketing & Planning and various roles in product management. Erik is an active private company investor, serving on boards including Glassdoor, Zillow, Siteminder, Liftopia and Terrapass, and participates in non-profit boards including EcoAmerica, The Cutting Ball Theatre and the US National Council of the World Wildlife Fund.Erik holds a bachelor's degree in English and certificate in theatre from Princeton University and a master's in business administration from Columbia University's Graduate School of Business.

## Wolfgang Bretschko
- Type: Angel
- Relevant deals: 1
- Stages: Angel
- Focus: Mobile, Real Estate, Semantic Search

Wolfgang Bretschko - Founder & CEO @ Cocoquadrat

## Jutta Moll-Marwan
- Type: Angel
- Relevant deals: 1
- Stages: Series A
- Focus: Marketplace, Internet of Things

Jutta Moll-Marwan is the Senior Policy Advisor at Federal Ministry for Agriculture, Regions and Tourism.

## Johannes Braith
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Seed
- Focus: Internet, Software

Startup entrepreneur & enthusiastic leader building the world's largest completely digital self-storage solution, solving the problems of urbanisation & the struggles of last mile logistics. Storebox is the first completely digital self-storage solution in Europe. Instant - smart - 24/7. With +130 outlets in +35 cities Storebox isone of the fastest growing tech companies & franchise-systems in Europe tackling the problems of urbanisation & the struggles of last mile logistics.
www.yourstorebox.com

## Lukas Scherzenlehner
- Type: Angel
- Location: Waidhofen, Bayern, Germany
- Relevant deals: 1
- Stages: Seed
- Focus: Music, Digital Media, Music Streaming

Lukas Scherzenlehner - General Manager @ Cleen Energy

## Niko Alm
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Seed
- Focus: Music, Digital Media, Music Streaming

Niko Alm

## Marcin Kurek
- Type: Angel
- Location: Warsaw, Mazowieckie, Poland
- Relevant deals: 1
- Stages: Series A, Seed, Series B
- Focus: Wellness, Health Care, Ride Sharing

Entrepreneur and Investor in E-business and Tech sector.Managing Partner and Co-founder at Market One Capital, a marketplace first VC fund based in Warsaw and Barcelona.
Managing Partner and Co-founder in Protos Venture Capital, an early stage VC fund.
Co-founder of Pomocni.pl group including niania.pl, remontuj.pl, pomocedomowe.pl
Investor andsupporter in +20 companies, i.e.
Docplanner.com (Znanylekarz.pl), Brainly.com, Unamo.com, Allani.pl, Restaumatic.com, Shoplo.com, Starofservice.com, Depilacja.pl, Pushpushgo.com.Main focus: marketing, product, business development

## Rene Giretzlehner
- Type: Angel
- Location: Austria, Pangasinan, Philippines
- Relevant deals: 1
- Stages: Angel, Seed
- Focus: Software, Apps, Dating

Rene Giretzlehner

## Christian Kaar
- Type: Angel
- Location: Austria, Pangasinan, Philippines
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Apps, Software, Information Technology

Christian Kaar

## Stefan Kalteis
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: Travel, Tourism, Software

Stefan Kalteis

## Marcel Beemsterboer
- Type: Angel
- Location: Amsterdam, Noord-Holland, The Netherlands
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: E-Commerce, Internet, 3D Printing

Marcel Beemsterboer - Owner @ Zeeburg Ventures

## Alfred Luger
- Type: Angel
- Location: Austria, Pangasinan, Philippines
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Software, Apps, Information Technology

Alfred Luger - Co-Founder, CFO & COO @ Runtastic

## Bernhard Lehner
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Angel
- Focus: Internet, Software, Training

Bernhard Lehner is a communication professional through and through. His work with and for the media has always been the centre of his professional life. During his communication studies in Vienna he gathered work experiences as a journalist for print and online media. By the End of the 90ies he had changed the site and worked successfully as a PRadvisor for agencies but also for in house relations. His references from the last few years include Apple, Samsung, Motorola, Ikea and Cisco. i5invest appreciates Bernhard’s expertise for strategic communication development measurements and their realisation for old and new media with a focus on Europe.

## Gabriel Grabner
- Type: Angel
- Location: Cologne, Nordrhein-Westfalen, Germany
- Relevant deals: 1
- Stages: Angel
- Focus: Internet, Software, Marketing

Gabriel Grabner - Venture Partner @ DvH Ventures

## Sander van de Rijdt
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Series A
- Focus: Software, Analytics, Construction

After studying at the Vienna University of Technology and Vienna University of Economics, Sander worked for an international consulting group. From 2006, he has launched several IT companies in partnership with Ibrahim. At PlanRadar, he’s mainly responsible for management and finance.

## Christoph Prinz
- Type: Angel
- Relevant deals: 1
- Stages: Angel, Seed
- Focus: Travel, Rental, Sailing

Private angel investor.

## Mariusz Gralewski
- Type: Angel
- Location: Warsaw, Mazowieckie, Poland
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Internet, Education, Information Technology

Mariusz Gralewski is the Co-Founder and Co-Chief Executive Officer of ZnanyLekarz. Mariusz Gralewski attended the Warsaw University of Technology.

## Ibrahim Imam
- Type: Angel
- Relevant deals: 1
- Stages: Angel, Series A
- Focus: Software, Information Technology, CRM

Ibrahim had already founded two companies during his studies at the Vienna University of Technology. After completing his studies, he worked with Sander to launch several other startups in the IT sector and has considerable experience in B2B sales. At PlanRadar, he’s primarily responsible for Marketing & Sales.

## Christian Reber
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Software, Internet, Apps

Christian Reber​ is the founder and CEO of Pitch. The German entrepreneur previously founded the award-winning to-do app Wunderlist. After it was acquired by Microsoft in 2015, he spent two years as Microsoft's Entrepreneur in Residence. He is an active investor and advisor in a number of technology businesses, such as Lilium, Notion,Onefootball, Neufund, Freigeist and more. Prior to his career in business, Christian studied Mathematics and Computer Science as well as International Management in Berlin. Christian received the Forbes 30 under 30 award in 2014 and 2016.

## Qasar Younis
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Software, Transportation, Health Care

Mr. Qasar Younis is the Founder of Talkbin. Mr. Younis serves as a Partner and Chief Operating Officer of Y Combinator. He is responsible to manage all Y Combinator events, operations, finance and legal functions, as well as advise startups. Previously, he served as a Part-Time Partner at the firm.

## Daniel Marwan
- Type: Angel
- Location: Vienna, Wien, Austria
- Relevant deals: 1
- Stages: Series A
- Focus: Marketplace, Internet of Things

Daniel Marwan

## Reinhard Manzl
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: SaaS, Software, Navigation

Reinhard Manzl

## Niki Stadler
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: SaaS, Software, Navigation

Niki Stadler

## Ferdinand Dietrich
- Type: Angel
- Relevant deals: 1
- Stages: Angel, Pre-Seed
- Focus: Software, SaaS, Internet

Ferdinand Dietrich - CCO & Co-founder @ Storebox

## Rainer Diera
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: FinTech, Finance, Internet

Rainer Diera

## Michael Grabner
- Type: Angel
- Location: Cologne, Nordrhein-Westfalen, Germany
- Relevant deals: 1
- Stages: Angel
- Focus: Internet, Software, Marketing

Michael Grabner - Partner & Managing Director @ Michael Grabner Media GmbH

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