The Fourth Effect
Co-FounderKatrin de Haën

Katrin de Haën is a serial entrepreneur and ecosystem builder with a track record of creating and scaling ventures across industries. She is the Co-Founder of The Fourth Effect, an AI-powered platform that helps startups access leadership, expertise, and capital by matching founders with board members and advisors. Under her leadership, The Fourth Effect has grown into a community-driven hub connecting diverse leaders with high-growth companies. Katrin is also a Deal Partner at Ganas Ventures, investing in pre-seed and seed-stage startups across the U.S. and Latin America, and a Founding Member of Marble Collective and Executive Member of Dreamers & Doers, two networks supporting entrepreneurial growth and connectivity.

Previously, Katrin co-founded Dip Into Pretty, where she invented, patented, and launched Pedi Spacers, a beauty accessory sold across U.S. and international retailers. She also founded Kat de Haën Designs, an upscale silk fashion line, and held executive roles at BluSand Beauty, scaling product lines and expanding retail partnerships. Earlier in her career, she managed major accounts at Blitzz International with licensors including Disney, Coca-Cola, and Warner Brothers. Katrin began her career at Nordstrom, earning the Pacesetter Award for exceeding sales goals. She holds a B.A. in Business and Marketing from The Evergreen State College and is a frequent speaker on entrepreneurship, fundraising, and board service.