personal-knowledge-management
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Martin Schneider
Martin Schneider is the co-founder and CEO of RemNote, the all-in-one note-taking and spaced-repetition app he started coding as an MIT computer science student in 2017 to fix his own habit of forgetting everything he learned a semester later. What began as a private side project he used alone for three years grew into a learning platform with over a million users, backed by a $2.8M seed round from General Catalyst, 468 Capital, Soma Capital and Dorm Room Fund. He blends learning science, neuroscience and software to chase a single idea: that you should be able to learn something once and remember it forever.
Tana
Tana is an AI-native workspace that turns messy notes, meetings and voice memos into structured, queryable knowledge. Its signature feature, Supertags, lets any bullet point become a database record with defined fields, so notes double as a living knowledge graph that AI agents can read, summarize and act on. Founded in 2021 by ex-Googlers and productivity builders and based in Palo Alto with an engineering hub in Oslo, Tana raised a $14M Series A in February 2025 (led by Tola Capital), reaching $25M total funding after emerging from a stealth beta with a 160,000+ person waitlist.
Tiago Forte
Tiago Forte is the founder of Forte Labs and creator of the Building a Second Brain methodology - a framework that has helped 20,000+ people in 70+ countries organize their digital lives and unlock creative potential. Author of the bestselling book of the same name (Simon & Schuster, 2022), named Financial Times Book of the Year, he has built one of the most influential productivity brands online, with 125,000+ newsletter subscribers and a YouTube channel crossing 100K subscribers. Known for the PARA method and Progressive Summarization, Forte turned his own struggle with information overload into a global movement.