Brian Stempeck

Brian Stempeck is the CEO and co-founder of Evertune AI, a New York startup that helps brands measure and improve how they show up inside AI models like ChatGPT, Gemini, Claude and Perplexity. He spent 11 years on the executive team of The Trade Desk as employee number eight, serving as Chief Client Officer and later Chief Strategy Officer and a board member, and helped grow the company from a tiny team to a public company worth tens of billions. Before adtech he was a management consultant at Bain & Company and, earlier still, a political journalist. He founded Evertune in 2024 with former Trade Desk colleagues to build the category he calls Generative Engine Optimization.