Sebastian Johannessen

About me

Hey, I'm Sebastian. I'm from Norway, studying Computer Science at UCLA. I spend most of my time building things, usually somewhere between product and engineering. I care a lot about how things work and how they feel to use.

Work

  • PayPal

    Mar 2026 - Present

    Product Manager

    • Driving product strategy to grow Venmo student adoption

  • Uber

    Jan 2026 - Apr 2026

    Product Manager

    • Leading MVP and GTM strategy for a new Uber Eats feature

  • Tilura

    Jun 2025 - Sep 2025

    Product Manager

    • Shipped an AI/ML financial analysis product

  • CycleWorks Studio

    Mar 2020 - Sep 2025

    Founder & CEO

    • Scaled bike refurbishment venture to $50k+ in revenue

  • Association for Computing Machinery (ACM)

    Oct 2024 - Present

    Technical Lead

    • Building demo apps to teach 200+ students

Projects

  • Genie

    Chrome extension for UCLA course discovery

  • LingoBuddy

    AI language learning (1st Place, LA Hacks 2025)

  • Multi-Agent Network

    Agentic AI system for startup evaluation

  • WorkoutBuddy

    Personalized workout planner