FJ Labs

FJ Labs, established in 2015 and headquartered in New York, is a stage-agnostic investment firm focusing on marketplaces and consumer-facing startups. It invests in seed and series A rounds, with a typical investment range of $50,000 to $5,000,000. The firm's portfolio includes notable companies such as Alibaba Group, Beepi, BrightRoll, Betterment, Adore Me, and Earnest, spanning sectors like e-commerce, fintech, and ad tech.

Matias Barbero

Investor

Zineb Belghiti

Operations Associate

William Guillouard

Operating Partner

Arne Halleraker

Partner

Christopher Keshian

Investor

Ariel Lebowits

CFO

Jose Marin

Co-Founder

Güimar Vaca Sittic

Venture Partner

Jeff Weinstein

Partner

Past deals in Penetration Testing

Strike

Series A in 2025
Strike is a cybersecurity firm focused on providing accessible and high-quality security solutions to enterprises of all sizes. The company specializes in Continuous Pentesting, which connects organizations with cybersecurity professionals to ensure ongoing security assessments rather than relying solely on periodic testing. This approach combines manual pentesting by skilled experts with automated scanning, allowing organizations to identify and address vulnerabilities in real-time. By integrating with clients' management and communication systems, Strike enhances the efficiency of vulnerability triaging and remediation, helping businesses safeguard their data against potential threats before they can be exploited.

Strike

Seed Round in 2022
Strike is a cybersecurity firm focused on providing accessible and high-quality security solutions to enterprises of all sizes. The company specializes in Continuous Pentesting, which connects organizations with cybersecurity professionals to ensure ongoing security assessments rather than relying solely on periodic testing. This approach combines manual pentesting by skilled experts with automated scanning, allowing organizations to identify and address vulnerabilities in real-time. By integrating with clients' management and communication systems, Strike enhances the efficiency of vulnerability triaging and remediation, helping businesses safeguard their data against potential threats before they can be exploited.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.