A stock exchange contract vanished just as Gordon McHarg thought he had won it. The longer story of AutoRek is about what he and his university friends built before, and kept building after.
Lyndsey Bunting is the CEO and co-founder of Blue Onion, a New York-based financial data platform that automates reconciliation and bookkeeping for retail and ecommerce brands. A Wharton-trained finance operator who served as VP of Finance at Birchbox and CFO at Resonance Companies, she started Blue Onion in 2020 to fix the messy, manual reconciliation work she lived through every month. The company went through Y Combinator, has reconciled more than $30 billion in transactions across 200-plus brands, and raised a $10 million Series A led by Viola FinTech in 2025 to build the clean data layer that AI-powered finance teams will run on.
Alejandro Casas Caro is the co-founder and CEO of Simetrik, a Y Combinator-backed AI-powered financial reconciliation platform that processes over 1 billion records daily for 100+ companies across 40+ countries. A technical founder who studied UX design in Barcelona, he pivoted from a failed fashion e-commerce startup to building what has become a $116M+ funded enterprise infrastructure company backed by Goldman Sachs, Tiger Global, and Mercado Libre Fund.