Stefan Opsal

Stefan O. is an experienced senior product manager at Mozilla, specializing in subscription and payments platforms since October 2021, where responsibilities include overseeing subscription billing and fraud prevention. Prior to this role, Stefan contributed as a product manager for Firefox, driving strategic planning and alignment across teams. Stefan co-founded RendezView.io, a leading B2B collaboration app, and served as a venture analyst at Sultan Ventures, focusing on early-stage startups. Additional experiences include being an open lab fellow with Mozilla Builders, an analyst at XLR8UH, an ambassador for Startup Grind, and director of Cloud HNL, reflecting a strong commitment to innovation and community within the startup ecosystem.