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Carlos Moreira da Silva

Carlos Moreira da Silva

Leading investor and board member in cybersecurity and infrastructure software

carlosmsilva
Porto, Portugal
Joined September 2025

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Summary

Carlos Moreira da Silva is a highly experienced investor and leader in the cybersecurity and infrastructure software sectors, having co-founded 33N Ventures and actively participating as a managing partner. His firm focuses on global investments in early-stage companies (Series A and B) within these critical technology areas. 33n+3
He demonstrates a deep commitment to fostering the European cybersecurity ecosystem, actively co-chairing the Investment working group at the European Cyber Security Organisation (ECSO) since 2018. Through this role, he supports the strengthening of the region's cybersecurity investment landscape alongside key European and national institutions. cybersecforum+1
With over two decades of experience in telecoms and technology, Carlos has a diverse background spanning operations, strategy, and investments. His extensive career includes various board memberships and observer roles in prominent cybersecurity companies such as Arctic Wolf, StrikeReady, DataGalaxy, Excellium, Hackuity, Sixgill, Deepfence, and Reblaze. incibe+2
Prior to 33N Ventures, Carlos held significant investment and operational roles at Sonae IM, including Partner, Senior Investment Director, and Operating Partner. He also served as Operating Partner & CFO at S21sec, showcasing his blend of financial acumen and strategic leadership in the tech and security sectors. nfx+1

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Education

Notes

CACarlos Alberto Silvasaid
CMCarlos Moreira da Silva
is one of the most knowledgeable people they've worked with at the intersection of technology and investing.

Nov 13, 2025