Romain Lenglet is a Fractional Chief Architect and startup advisor with over two decades of experience designing and scaling enterprise software in networking, cloud-native, and security. He has held senior leadership roles at VMware, Oracle, Isovalent, Aviatrix (as Chief Product Officer), and SGNL.ai, where he drove product innovation at the intersection of infrastructure, security, and distributed systems.
At Google (2008–2010, 2018–2020), Romain served as Uber Tech Lead for Istio Service Mesh Security, where he architected next-generation security for Kubernetes workloads, managed eight open-source releases, contributed to CVE security fixes, and authored a reference implementation of the FastFed standard for federated authorization. His work has shaped how modern cloud-native environments handle encryption, authentication, and workload identity at scale.
A recognized thought leader in cloud networking and security, Romain combines hands-on technical depth with executive-level product leadership. He has authored patents, contributed to major open-source projects, and successfully led cross-functional teams through hyper-growth phases.
Today, through his firm DonePoint, he partners with startups as a fractional software architect and strategic advisor, helping founders and executives make critical decisions on product architecture, go-to-market, and scaling infrastructure securely. His sweet spot lies in guiding early to late-stage startups through the complexity of cloud-native environments—ensuring they can scale quickly without sacrificing reliability, security, or speed of innovation.
He holds a Ph.D. in Computer Science (Grenoble INP, France) and an Executive MBA (Santa Clara University), giving him a unique ability to bridge deep technical expertise with business and product strategy.
