Co-founder/CTO of Slack, Cal (based in the US) made a rare Polish investment by backing Nomagic (AI robotics from Warsaw). His involvement provides Silicon Valley validation. Cal’s interest in Poland came through seeing its engineering talent in AI and automation. Associated startups: Nomagic (warehouse robotics), and anecdotally, he has advised Polish dev communities.
Warsaw, Poland
Angel Investor
Seed
/poland/angel-investor/cal-henderson
Accelerator by Budimex for construction-tech startups in green construction, AI, robotics, and site automation. Offers pilots on construction sites, industry mentors, and potential investment or procurement. Scope: Regional (Poland and CEE).
Launched 2018. Poland's first MarTech-focused accelerator run by Knowledge Hub and GroupM; targets AI in marketing, adtech, and influencer platforms. Support: workshops, media-industry mentoring, pilot client access, and sales support. Scope: National.
AI-enabled business management platform combining ERP, HR, finance, and projects for SMBs.
Corporate accelerator by Orange Polska (est. 2015) focused on 5G, IoT, AI, and customer experience. Provides proof-of-concept projects, telecom mentorship, and access to Orange's global Fab network in 18 countries. Scope: National with global reach.
Deep tech fund founded 2017 investing in AI, space, and fintech from Central Europe.
Founded 2017 by Alltech. Three-month agritech accelerator focused on nutrition, animal health, robotics, and AI; provides access to Alltech's global network, mentoring, and pilot opportunities on farms. Scope: International.