Julius Körfgen

Julius Körfgen is the Co-Founder and CEO of Uplane, an artificial intelligence marketing platform based in San Francisco, United States. Founded in 2025 alongside Marvin Abdel-Massih and Lukas Vollmer, the seven-person startup was accepted into the Y Combinator Fall 2025 batch under primary partner Tom Blomfield. Prior to launching Uplane, Körfgen led the go-to-market strategy at Responsibly, where he successfully drove a threefold increase in annual recurring revenue. He previously managed seven-digit monthly advertising budgets at Europe’s first greentech unicorn and scaled a separate lead generation platform to over $10 million in monthly revenue within twelve weeks. His entrepreneurial career initially began by scaling a high-school apparel project into a profitable six-figure fashion brand. Körfgen currently focuses on leveraging artificial intelligence to optimize performance marketing campaigns and streamline digital advertising infrastructure for modern businesses.