Sebastian Horstmann

CTO & Co-Founder · Cosysense

Speaking at: Startup Summit Lisbon 2026 · September 17–18, 2026 · Beato Innovation District, Lisbon

Bio

Sebastian Horstmann is Co-Founder and CTO of Cosysense, where he leads the technical architecture behind an AI-native operating system for building energy and operations. His work spans real-time IoT telemetry pipelines, HVAC control and optimization, and the data infrastructure that lets multi-site operators like quick-service restaurant chains monitor and automate energy use at scale. Sebastian is focused on turning fragmented building data into a unified platform that drives measurable energy savings and operational efficiency across hundreds of sites.

Sessions

AI
Product-market fit
Climate tech
Deep tech
European startups

LinkedIn profile

About Startup Summit

Sebastian Horstmann is one of 150+ speakers at Startup Summit Lisbon 2026 — A founder-first European startup conference. a target audience of founders, operators, startup teams, angels, VC funds and ecosystem partners, with 200+ startup booths. Tickets from €49.