Seth Cassel

Board Member

Seth Cassel
Seth Cassel is the Co-Founder of EveryMundo, the global leader in Fare Marketing technology for airlines. EveryMundo’s solutions increase airline direct sales, improve customer acquisition, and enhance user experience.

Seth Cassel is the Co-Founder of EveryMundo, the global leader in Fare Marketing technology for airlines. EveryMundo’s solutions increase airline direct sales, improve customer acquisition, and enhance user experience. EveryMundo works with over 130 airlines and other travel companies, based on 6 continents, in over 35 languages.

In November 2021, EveryMundo was acquired by PROS (NYSE: PRO); in addition to his role as Co-President of EveryMundo, Seth served as Chief Revenue Officer of PROS Travel until his departure from the company in early 2024.

Seth holds an MBA from Harvard Business School and a BA in Mathematics from Harvard University. Before EveryMundo, Seth built two companies: a start-up consultancy and a music management company. Previously, he worked at Sony Music and Citigroup.  He is an Endeavor Entrepreneur and sits on advisory boards of various technology startups.

Seth is chair of the board directors of the Miami Dade Innovation Authority and a board member of Lotus House women and children’s homeless shelter. He is also a founding member of the Miami chapter of FWD.us. Seth is excited to join the Miami Waterkeeper board.

He lives in Miami Beach with his wife Amanda and two children, Violet and Jude.