Greg Miaskiewicz
Co-Founder & CEO at Stealth Startup
Lisbon, Portugal
Summary
👤
Senior🎓
Top SchoolGreg Miaskiewicz is a repeat startup founder and product-led CEO with 11 years of experience building and exiting companies in security, adtech, and fintech. He co-founded Swarm (acquired by Integral Ad Science) and Capbase (acquired by Deel), then led payroll and compliance product strategy at Deel before returning to found a stealth fintech/compliance startup. Technical roots as a self-taught engineer and R&D lead underpin a track record of shipping massively deployed detection code and scalable product systems used across the internet. Based in Lisbon, he combines CEO-level strategy and M&A advisory experience with hands-on product management and security expertise. He’s comfortable bridging deep technical work, regulatory/compliance challenges, and investor relations—often approaching problems through philosophical and anthropological lenses from a broad academic background. Not obvious from titles: his code has run trillions of times annually and he frequently surfaces product insights from frontline fraud research.
11 years of coding experience
17 years of employment as a software developer
YC Fellowship W16 Entrepreneurship/Entrepreneurial Studies, YC Fellowship W16 Entrepreneurship/Entrepreneurial Studies at Y CombinatorHistory Polish Language, History Polish Language at Uniwersytet Jagielloński (Jagiellonian University)Master's degree Philosophy, Master's degree Philosophy at University of PittsburghCultural Anthropology, Cultural Anthropology at Universidad Peruana de Ciencias Aplicadas
Polish, English, Spanish, German, French
Github Skills (6)
segment6
javascript4
integrations2
analytics2
analyticsjs2
monorepo2
Programming languages (1)
Github contributions (4)
miaskiewicz/JS-Virtual-Pointer
Jul 2014 - May 2018
Contributions:35 commits, 5 pushes in 3 years 9 months
miaskiewicz/systemic-skin-care-review-csv-to-json
Mar 2015 - May 2015
Contributions:28 pushes, 16 comments, 7 issues in 1 month
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