A Brooklyn-based sports writer and journalist, Callao works as a US Sports Reporter for the Daily Mail.

While covering a vast array of sports and leagues, the Philippine native's biggest strengths are his knowledge and experience covering the UFC, WNBA, and NBA. Callao has covered countless games, been assigned to exclusives with combat sports stars, and regularly appears on SportsNet New York (SNY) to preview UFC events.

Before the Mail, he served as a site co-expert (editor) for FanSided's NBA website HoopsHabit and contributed to the network's MMA, NYCFC, and WNBA coverage.

Callao interned at The Brooklyn Paper while studying in the NYC Semester in Journalism program at The King’s College in 2021. He studied Media, Culture, and the Arts at Providence Christian College in Pasadena, California, and played four years of college soccer.

Bylines in DailyMail.com, SunStar Philippines, HoopsHabit, FanSided, The Brooklyn Paper, AM New York, Religion Unplugged, The Empire State Tribune, SeaBeggars.com, and Pasadena Now Magazine.