Boom Chicago, an English-language improvisational comedy theater located in Amsterdam, has been instrumental in launching the careers of several well-known American comedians, including Seth Meyers, Jordan Peele, Amber Ruffin, and Jason Sudeikis. Established in the early 1990s by Pep Rosenfeld, Andrew Moskos, and Ken Schaefle, the theater initially faced doubts from local authorities who questioned whether it could succeed. However, the founders remained determined and eventually found a permanent home for their performances in Amsterdam's Leidesplein neighborhood. In its early years, Boom Chicago operated with unconventional methods, such as keeping funds in a boot because it lacked a formal bank account. The theater's founders recruited talent from the United States, including Seth Meyers and Peter Grosz, who were recent graduates of Northwestern University. Meyers, in particular, admitted that his knowledge of the Netherlands was limited, even thinking the play "Hamlet" might be set there. At Boom Chicago, comedians were encouraged to explore universal themes and concepts, rather than relying on region-specific references. This approach helped performers like Ike Barinholtz and Brendan Hunt refine their comedic skills, leading to successful careers in television and film. Barinholtz, for example, was nominated for an Emmy for his role in the Apple TV show "The Studio." Seth Meyers' time at Boom Chicago was a turning point in his career. While there, he and fellow comedian Jill Benjamin created a sketch called "Bar Pickup," which later evolved into a touring show titled "Pick-ups and Hiccups." This performance caught the attention of a recruiter from "Saturday Night Live," leading to Meyers' role on the show, which he began in 2001. Beyond individual success stories, Boom Chicago has had a broader impact. The theater has contributed to the development of corporate events and has become a major source of revenue. Alumni reunions, such as the one planned for June 2025, showcase the lasting influence of the theater on its participants, with former cast members coming together to perform and reminisce about their time at Boom Chicago.