Jack McGuire, better known as Intern Jack Mac, is a college football blogger and social media intern for Barstool Sports. He is based in New York City.

Jack is originally from Hartford, Connecticut and attended Kingswood-Oxford School before transferring and graduating from the Kent School. ^[1] He enrolled into Fordham University where he is expected to graduate in 2019. Jack studies digital technology and emerging media.

Early in his career, Jack was a contributor to BroBible and was a sports writer for Overtime.

In 2016, he launched Tailgate Heisman, a college football blog and e-commerce store.

Jack was briefly a guest relations ambassador for the New York Yankees. In May 2017, Jack joined Barstool Sports as an intern, focusing on social media and college football. He has since made a name for himself for his gambling primers during the college football season.