Launching a Marketplace: From Excel to 14K Developers

Diego Oppenheimer spent five years building Microsoft Excel features used by a billion people. Then he discovered that even Microsoft's $7 billion research center couldn't get algorithms to the teams that needed them. So he set about launching a marketplace to fix that. Algorithmia connects academics building powerful algorithms with app developers who can use them - and hit 14,000 developers on the two-sided platform far faster than expected. Diego shares the journey of launching a marketplace from scratch, plus the systematic fundraising approach that raised $2.5 million by pitching worst-fit investors first. The real validation for this marketplace startup came from Microsoft. An algorithm Diego searched months for already existed inside Excel - nobody knew. He ranked 60 investors in a spreadsheet, flipped the list, and pitched bottom-up to polish his answers before reaching top targets for the algorithm marketplace. 🔑 Key Lessons 🎯 Validate demand before launching a marketplace by finding gaps in existing systems: If even Microsoft's $7 billion research center couldn't connect algorithms to product teams, the opportunity was real. 💰 Pitch worst-fit investors first when fundraising for launching a marketplace: Diego started from the bottom of his ranked list. By the time he reached top targets, he had polished answers to every hard question. 🛠️ Do things that don't scale to learn what customers need: First customers were essentially discounted consulting engagements that provided direct access to feedback. ⚡ Compress decision-making speed when leaving corporate for a marketplace startup: At Microsoft, decisions took months. At Algorithmia, you decide in days, be wrong, and never repeat the mistake. 🚀 Build the platform before scaling when launching a marketplace: Twelve months of stability work paid off when 14,000 developers joined months ahead of the multi-year target. 📉 Kill ideas quickly when they don't solve a business case: The first iteration was an algorithm competition two-sided platform. Being willing to kill it fast freed the team to build what worked. Chapters Introduction Diego's background at Microsoft building Excel What Algorithmia does and the problem it solves How the algorithm marketplace works for both sides The origin story - backpacking trip to idea Moonlighting at Microsoft while launching a marketplace Building the MVP and getting first customers Systematic fundraising - ranking 60 investors Growth to 14,000 developers and university partnerships Lightning round begins Passion for STEM education for girls Resources Full show notes: https://saasclub.io/97 Join 5,000+ SaaS founders: https://saasclub.io/email