Simon Last is Co-Founder of Notion, an all-in-one workspace platform that has grown to over 100 million users and reached a $10 billion valuation. He leads Notion AI development, building one of the most widely scaled AI applications in the world.

Simon studied Computer Science at the University of Maryland and worked as a software engineering intern at Space Telescope Science Institute and Nebula Inc. He brought deep technical expertise in scalable, user-focused solutions when co-founding Notion with Ivan Zhao in 2013.

Simon is an engineer and designer based in San Francisco who describes himself as working at the intersection of engineering and design. He serves as an angel investor with a portfolio of 2 companies, including investments in Braintrust and Imbue.

Notion raised $343 million in total funding, with the October 2021 Series C round at a $10 billion valuation led by Sequoia Capital and Coatue Management. The platform rebuilt from scratch in 2015 after facing technical challenges, demonstrating resilience and adaptability.

Notion reached 100 million users in 2024 and serves over 4 million paying customers, with over 50% of Fortune 500 companies using the platform. The company generated $400 million in revenue in 2024 and employs approximately 800 people.