FENESTRA
Barnaby Dawson is an accomplished technology leader with significant experience in engineering and data science. Currently serving as Chief Technology Officer at Fenestrabiz since July 2025, Barnaby previously held the position of Engineering Manager at Captify from October 2022 to July 2025 and at Sainsbury's from September 2019 to November 2022. Earlier career highlights include a role as a Scala Data Engineer at Sky Betting & Gaming from January 2016 to September 2019 and a Consultant position at OpenCredo from July 2015 to January 2016. Barnaby holds a PhD in Mathematics from the University of Bristol and a Certificate in Advanced Mathematics from the University of Cambridge.
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FENESTRA
Fenestra is a computer software development company that provides advertisers, agencies, and media owners an independent secure platform to book, bill, pay and audit transactions made through their media supply chain using distributed ledger technology.