Top 5 Machine Learning Angel Investors in Czech Republic in July 2025

Last updated: Jul 2025 A list of 5 angel investors that invest in Machine learning startups based in Czech republic. We rank investors based on the number of investments they made in Machine learning companies from Czech republic. We update this investor list every month.

Top 5 Machine Learning Angel Investors in Czech Republic in July 2025

Investor	Machine Learning Czech Republic investments
Mike Chalfen	2
Michal Pechoucek	1
Paul Sallaberry	1
Daniel Dines	1
Clark Golestani	1

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Investor list

Mike Chalfen is a solo early stage investor who backs teams building remarkable software-driven companies. He often partners with them from the start of their journeys and invest significant cheques in a small number of companies. He invested early in a wide range of great companies including King.com, Houzz, Fizzback, The Foundry, Ubiquisys,Boxed, eDreams, QXL.com and SuSE Linux. More recently he has invested early in emerging platforms like Crate.io, Harbr, Illumio and Tray.io, “intelligent software” startups like Moogsoft and Seal Software, other exciting startups such as Snyk and Time is Ltd, as well as several unannounced investments. In November 2017, he was honoured to be included at number six in Forbes' first Midas List Europe.

Investment focus

Software, SaaS, Artificial Intelligence
Seed, Series A, Series C
United Kingdom, United States, Germany

Portfolio highlights

Flexciton — Flexciton is the ultimate scheduling optimization solution for semiconductor wafer fabs. Flexciton applies cutting-edge technology to optimize the planning and scheduling decisions for the world's most complex manufacturing process - semiconductor wafer fabrication.
Time is Ltd. — Time is Ltd. was founded in 2017 to improve the everyday productivity of large corporations and companies. An easy way to integrate solution for companies which are going through the process of adopting a diverse number of cloud tools, it allows them to understand the performance data behind their productivity.Powered by machine learning, theplatform brings the data from a number of tools, such as Office 365, G Suite, and Slack, amongst others, together in one. By unlocking the hidden gems in this combined data, it reveals a company’s successful working patterns and allows organizations to operate more effectively.Time is Ltd. is a Prague-based startup founded by serial entrepreneurs Jan Rezab and Cyril Höschl.
AtomicJar — Integration testing made easier for developers

Michal Pechoucek joined Avast as CTO in September 2019. Mr. Pechoucek leads the core technology and R&D teams supporting the work of the Avast Threat Labs, Big Data and innovation teams. He is also responsible for the company’s scientific research in the fields of Artificial Intelligence, machine learning, and cybersecurity.Before joiningAvast, Mr. Pechoucek spent over twenty years as a professor at the Faculty of Electrical Engineering at the Czech Technical University (CTU) in Prague, during which time he led the Department of Computer Science and founded the Artificial Intelligence Center in 2001. He also co-founded a research-oriented study programme, Open Informatics, which offers a choice of different subjects, combines different areas of informatics and approaches and continues to be taught today.Mr. Pechoucek has authored more than 400 high impact publications and contributed numerous innovative AI applications to research in computer science. Before joining Avast, he was the prime mover behind the creation of the Avast Chair of Cybersecurity at CTU, and in 2019, he also helped to establish the Avast funded joint CTU/Avast AI and Cybersecurity Laboratory. Today, Mr. Pechoucek continues to lecture at CTU and lead the Artificial Intelligence Center.

Investment focus

Machine Learning, Network Security, Artificial Intelligence
Seed
Czech Republic

Portfolio highlights

Resistant AI — Resistant AI provides fraud detection and prevention in automated document processing workflows, transaction monitoring, and identities analysis.

Paul Sallaberry is the Chairman of the Board at Seal Software.

Investment focus

Software, Information Technology, Artificial Intelligence
Series B, Series C, Funding Round
United States, Czech Republic

Portfolio highlights

Time is Ltd. — Time is Ltd. was founded in 2017 to improve the everyday productivity of large corporations and companies. An easy way to integrate solution for companies which are going through the process of adopting a diverse number of cloud tools, it allows them to understand the performance data behind their productivity.Powered by machine learning, theplatform brings the data from a number of tools, such as Office 365, G Suite, and Slack, amongst others, together in one. By unlocking the hidden gems in this combined data, it reveals a company’s successful working patterns and allows organizations to operate more effectively.Time is Ltd. is a Prague-based startup founded by serial entrepreneurs Jan Rezab and Cyril Höschl.
Oportun — Get affordable personal loans, effortless savings tools, credit-building credit cards, and smart budgeting tools to strengthen your finances.
Bitwise — Bitwise Asset Management is a trusted partner to individuals, wealth managers, family offices, investment managers, and institutions in navigating cryptocurrency. Bitwise develops funds, indexes, insight, and other services. The team behind Bitwise has backgrounds in technology, security, and finance. The firm’s origins are in technology and itprides itself on having a deep understanding of protocols while seeking to build understanding and help the technical and non-technical alike participate.

Daniel Dines is Co-founder and CEO of UiPath, the fastest growing and leading provider of Robotic Process Automation (RPA) and AI software worldwide. Dines started UiPath in 2005 with the goal of building a solution that could help humans reduce the time and stress that come from menial, administrative business tasks. Today, Dines’ vision is tomake software robots, powered by computer vision and AI, as common as PCs in the workplace -- a vision dubbed One Robot for Every Person.Dines is committed to ushering in the “automation first” era, helping businesses of all sizes digitize everyday business operations and apply AI to drive true digital transformation. This era brings tremendous value to businesses and new career opportunities for people – which is why Dines aims to democratize RPA via free training and software, as well through UiPath’s Academic Alliance program, which trains and certifies university students, youth, and traditionally underrepresented groups – with an eye toward preparing people for the jobs of the future.Since incorporating UiPath in 2015, and moving its headquarters to New York in 2017, Dines has led the company through substantial growth – delivering intelligent automation solutions to thousands of companies around the world, including government agencies and many of the Fortune 500. He has raised more than $1B from top-tier venture capital firms, with a post-money valuation of $7B.Dines began his engineering career at Microsoft where he designed and developed the SQL Server Agent. Still a hacker at heart, he is active in driving the company’s RPA platform and supporting the 250,000 developers who are building automations on UiPath’s RPA platform.