Legal name is John Keefer IV; he has been known to stamp IV on his wedges and use the IV in his signature.

A native of Baltimore, Maryland who moved to San Diego, California at age 7 and started playing golf at The Farms Golf Club. After seven years in California, moved to San Antonio and joined TPC San Antonio, host of the PGA TOUR's Valero Texas Open.

Johnny's father, John Keefer III, got him into the game by bribing him with lacrosse equipment, saying, "If you take X amount of lessons in X amount of weeks, you will get a new lacrosse stick." Initially, Johnny wanted to play professional lacrosse, though he switched his focus to golf after moving to San Antonio, Texas.

Always has something in his pocket, typically something that he can click out of nervous habit. Initially began when he was in second grade with a match box and his parents switched it out for an eraser.

Huge fan of the popular television show The Office. Has watched the show in its entirety 10-plus times, with his favorite episode occurring in Season 7 when Michael finally ends up with Holly.

Fan of the Baltimore Ravens (NFL football).

Finished No. 25 in the 2024 PGA TOUR University Ranking -- the last position which awarded performance benefits -- after five seasons at Baylor University. Earned membership for the North America Swing of the 2024 PGA TOUR Americas season, as well as an exemption to Second Stage of 2024 PGA TOUR Q-School presented by Korn Ferry. Stood outside the top 25 all season, but secured the No. 25 position in the ranking with a T11 finish at the 2024 NCAA Championship.

Played five seasons (2019-24) at Baylor University, where he earned one individual victory and broke the school record for career scoring average (71.45) previously established by six-time PGA TOUR winner Jimmy Walker (71.55 from 1997-2001). Also earned two All-Big 12 Conference selections (2022, 2024) and became the first three-time Big 12 Men’s Golf Scholar-Athlete of the Year (2022-24) in conference history.

Recipient of the 2024 Scout McNealy Award, which is awarded to a member of the Baylor men’s golf team that exemplifies excellence in their everyday life. The award is named after Scout McNealy, younger brother of PGA TOUR winner Maverick McNealy.

Named a 2018 AJGA Rolex All-America Second Team selection alongside Gordon Sargent and PGA TOUR winner William Mouw.