Meet the team

Portrait of Michal Zalesak
Founding & Managing Partner

Michal Zálešák

Michal Zálešák

12 years in start-up industry Private investor, founder of Prague Startup Centre, official incubator of the City of Prague

Michal Zálešák is an experienced startup investor and mentor with international investment experience in Silicon Valley, India and Czech Republic, and including exits to global players. Zálešák has established a Czech ICT Incubator at the Silicon Valley, bringing Czech startups to the Silicon Valley and global mentors to Prague.

In 2005, Zalesak established the Czech ICT Alliance, working closely with Czech IT companies and organizing dozens of IT-focused trade missions globally to support expansion of Czech IT to international markets. In 2016, Zálešák established the Prague Startup Centre, operating two branches in Prague and having its own incubation program, targeting early stage startups. Zálešák is a Managing Partner in Lighthouse Ventures since its establishment in 2019.

In 2015, Zálešák was named a TOP30 IT personality by ComputerWorld Magazine. Zalesak holds MBA in marketing and management. He is a member of the advisory board on e-commerce of the Czech government, and a former member of the advisory board on smart city of the Prague Council.

Portrait of Ravit Avidor
Founding Partner

Ravit Avidor

Ravit Avidor

10 years in Tech Mergers and Acquisitions. Former Vice President, Corporate Development at AVG Technologies

Ravit Avidor has been active in Corporate M&A and Venture Capital since 2006. In her career Avidor has performed a broad range of acquisitions, from small acquisitions to over $600 million, with a wide geographical spread, including North and Latin America, Europe and Middle East.
Avidor is a Partner in Lighthouse Ventures since its establishment in 2019.

In her most recent M&A position she served as VP, Corporate Development at AVG (NYSE: AVG), the consumer and business security company.

At AVG, among other acquisitions, Avidor has initiated and led the acquisition of an early stage Android security startup, which three years later became the most downloaded security app for Android worldwide, reaching over 100 million downloads on Google Play already in 2013, as previously only achieved by a prestigious list of vendors, such as Google, Facebook, Twitter and alike.

Prior to AVG, Avidor held a Corporate Development position at Check Point (NASDAQ:CHKP) where she played a key role in large acquisitions involving hundreds of employees and hundreds of millions of dollars.

Avidor holds a Bachelor of Laws and MBA from the Hebrew University, where she was selected for an advanced program as one of 15 top rated students. She has also acquired executive education from INSEAD, focusing on M&A.

Portrait of Vladislav Vintner
Founding Partner

Vladislav Vintner

Vladislav Vintner

22 years in IT industry in top management positions

Vladislav Vintner has been holding top managerial positions in the IT industry since 1996. He had a key role in the establishment of the operations of Indra (formerly Soluziona), a global IT company, in the Czech Republic. As the COO for the Czech Republic, Slovakia and Ukraine he oversaw the operations as they grew to over 200 employees.

In 2009, Vintner established Pontech, a system integrator, implementing ICT projects across Europe, and led the company to a successful exit to NTT Group, a global telecommunication company, headquartered in Japan, in 2015.

Following the sale of Pontech, Vintner has continued his successful path, this time as an investor, when Mluvii, one of his portfolio companies was sold to O2 corporation. He is a Partner in Lighthouse Ventures since its establishment in 2019.

Vintner holds MA in International Business from the University of Economics in Prague.

Portrait of Jiri Janku

Jiří Janků

Jiří Janků

15 years in Marketing and business development. Lead marketing strategy development for dozens of successful SMB companies, including leadership and company culture and coaching.

Jiří Janků is an entrepreneur and a digital marketing professional with over 15 years of experience in the field.

Janků has established eBRÁNA s.r.o., one of the oldest digital marketing agencies for SME in the Czech Republic, leading marketing strategy development for dozens of SME companies. In 2016, eBRÁNA was ranked among the Top 3 SMB Premier Google Partners in the Czech Republic and won the “Google Highest Customer Satisfaction Award.” In 2013 and 2014 it was named a “Most Desired Company” by Klub zaměstnavatelů in the Czech Republic, and in 2011 it was named “The Firm of the Year” by Vodafone.

In 2017, Janků has established Feedyou s.r.o., a provider of chatbot solutions, with over 200 successful chatbots built to date and partnerships with leading corporations such as Microsoft and SAP.

Since 2016, Janků is mentoring entrepreneurs, as well as lecturing and participating in development projects for young entrepreneurs, under Czechinvest, an investment and business development agency, connecting foreign investors with Czech companies, and a startup incubator based in Pardubice, Czech Republic.

Janků is a Partner at Lighthouse Ventures since its establishment in 2019.

Ory Weihs
Venture Partner

Ory Weihs

Ory Weihs

Serial founder in the performance marketing sector and an angel investor since 2010

Ory founded XLMedia PLC (LON.XLM) in 2003 and was CEO until 2019. He bootstrapped the business from the “basement” to a large international London stock exchange listed company. Today, XLMedia remains one of the largest publishers of gaming, sports betting, and personal finance comparison sites worldwide. During his time at XLMedia Ory was focused on strategy, scale-up, M&A and shareholder engagement. He remains a non-executive director.

He recently founded Team Odeon, a performance marketing company focused on the higher education and vocational training market. An “impact for profit” venture.

Since 2010 Ory has been investing in a variety of companies in different sectors such as Mews, Medorion LTD, Gigantic,, Dumarca Holdings (Sold in 2014) and more. He is particularly interested in strong teams focused on execution in a variety of sectors such as SAAS, price and product comparison, gaming and more.  He holds a variety of director and advisory roles in his portfolio companies.

Ory holds a BSc in Industrial Engineering from the Technion, Israel institute of Technology and has been living in the Czech Republic for 10 years.

Portrait of Robert Reich
Senior Associate

Robert Reich

Robert Reich

Three years experience in VC industry. Supporting global expansion of Czech startups.

Robert Reich has three years of experience with startups. He has been working as a manager at Prague Startup Centre since 2016, and as an Investment Associate in Lighthouse Ventures since its establishment in 2019.

At Prague Startup Centre, Reich has been helping Czech startups to expand globally. He also served as a Project Manager for various projects and organized international events, targeted at startups and innovation.

Reich holds MA in Finance and Financial Engineering from the University of Economics in Prague. During his studies, he served as the president of the university’s Investment Club, one of the biggest student clubs in the Czech Republic.