e184

e184

e184 is the family office of Ondrej Vlcek, the former CEO and long-time CTO of Avast, the Prague-founded cybersecurity company that grew into one of the world's largest consumer security platforms. Vlcek joined Avast as a developer in 1995, rose to CTO, and led the company through its 2018 London IPO before orchestrating its merger with NortonLifeLock in 2022—creating Gen Digital, a global consumer cyber safety business. e184 serves as the primary vehicle for the proceeds of that transaction, with offices spanning Harpenden (UK), Prague, New York, Salt Lake City, Boulder, and Grand Cayman. Vlcek's deployment strategy centers on direct early-stage investments, primarily in AI-native enterprise software, cybersecurity infrastructure, and applied deep tech. e184 operates with a venture-capital posture—writing checks into Seed through Series B rounds—but without external LPs, allowing for concentrated conviction bets and patient capital timelines. The firm has backed companies including Apify (web scraping infrastructure), Productboard (product management platform), and Keboola (data operations platform), reflecting a consistent thesis around developer tools and data-layer infrastructure. Geographic focus spans the Czech Republic, the United Kingdom, and the US mountain-west corridor, with a notable concentration of portfolio density in the Boulder and Salt Lake City tech ecosystems. The office maintains a lean team across its six locations, with Vlcek as the primary decision-maker and a small investment staff supporting sourcing and diligence. Adjacent to e184, Vlcek has directed significant philanthropic capital through the Vlcek Family Foundation, which focuses on biomedical research and education. In February 2024, the foundation announced a $500M commitment to establish the Vlcek Institute for Biomedical Science, a new research entity designed to accelerate translational medicine (per the Vlcek Foundation, February 2024). This large-scale philanthropic vehicle operates independently of e184's for-profit deployment. What distinguishes e184 structurally is its operator-centric architecture: the office is run by a career CTO who built a public company, not a career allocator. This shapes both sourcing—Vlcek's network generates proprietary deal flow from founders and engineering leaders—and underwriting, where technical diligence is done in-house rather than farmed out. The multi-jurisdiction footprint, linking US deal-sourcing offices with European operating roots, creates a transatlantic pipeline uncommon among European-origin single-family offices.