The round was led by existing investor Sapphire Sport and new investor Canaan Partners. Substantial new investments came from a diverse group of industry leaders spanning sports, business and entertainment, including LaMelo Ball, Devin Booker, J. Cole, Wayne Gretzky, DeAndre Hopkins, Sabrina Ionescu, Michael Jordan, Patrick Mahomes, Auston Matthews, Connor McDavid, Renee Montgomery, Naomi Osaka, and Bobby Wagner, among others. Early investors Lerer Hippeau and Anthony Noto [SoFi, Army West Point] also supported the round.

Buzzer is a new notification-driven mobile platform for short-form live sports personalized for fans. Bo Han founded Buzzer in 2020 after leading Live Sports Rights Acquisition at Twitter for over seven years. In 2021, Buzzer was recognized on Fast Company's list of Most Innovative Companies and SportsPro's list of emerging sports tech startups to invest in now. The platform will officially launch later this year.

Headquartered in New York, Buzzer believes in hiring the best talent and is committed to fairness and inclusion. Buzzer administers a mentorship program focused on cultivating a community of industry leaders across sport, technology, and media paired with mentees from Historically Black Colleges and Universities (HBCUs) as part of its broader Strive Initiative.