Petr Marek is a researcher of conversational artificial intelligence from the Czech Institute of Informatics, Robotics and Cybernetics. He is a member of the award-winning team Alquist. Team Alquist was among the top three finalists in the Amazon Alexa Prize SocialBot Grand Challenge three times and was the winner of the grand challenge in 2021. Petr had two research internships in the Alexa AI team at Amazon Lab126 in Silicon Valley.