Summary
Dan Siemon is a founder and CEO with 17 years of experience building network-focused products and companies, currently leading Preseem from Waterloo, Ontario. He blends deep technical expertise in networking, network protocols and Linux with hands-on product management, having transitioned from Chief Product Officer to CEO after a decade scaling the company. Dan has practical operator experience dating back to founding and selling an ISP and running network operations for a regional telco, which informs his product decisions and vendor integrations. He serves on the board of Mornington Communications and has contributed to Canadian computer science accreditation, showing commitment to industry stewardship and education. Known as a networking geek on GitHub, he combines startup grit with disciplined product strategy to translate complex network telemetry into deployable customer value. Unexpectedly, his career spans both grassroots ISP operations and enterprise BI/traffic-management productization, giving him rare end-to-end perspective from packet to product.
17 years of coding experience
18 years of employment as a software developer
MSc Computer Science, MSc Computer Science at Western University