|Current college||Maryland (2018-2020), (2021- )|
|Past colleges||Columbia State (2020)|
|High school||Battle Ground (2015-2018)|
|Middle school||Battle Ground (2014)|
|Stats||HDWhite • NAQT|
- Not to be confused with Jack Lewis of Sacramento County Day, Jack Lewis of Wilde Lake, Jack Lewis of Sheffield (UK), or Jack Lewis (Spectrum) of Spectrum.
Cameron and Jack played with Rachel Arvizu and Matthew Minor at the 2016 HSNCT, where they placed 105th. The next year, Jack, Cameron, Henry Dambach, and Dominick Nesbitt placed 65th at the 2017 HSNCT.
With teammates Cameron, Henry, and Max Dambach, Jack was on the 32nd place Battle Ground team at the 2018 HSNCT. While playing with only Cameron, Jack led Battle Ground to a 16th place finish at that year's NSC.
Jack won the inaugural 2018 IPNCT over Max Shatan. He played alongside Jonathan Caldwell, Sanjay Chakrabarty, and Roisin Flanagan on the 7th place Tennessee Slate Grey team at the 2018 NASAT, where he lost to eventual Maryland teammate Vishwa Shanmugam on Pennsylvania Blue.
A Maryland B team consisting of Jack, Vishwa, Adam Howlett, and Naveen Raman won 2019 DII ICT, handing second place team Chicago D both of their losses in playoffs with a combined margin of 465 points. Jason Shi joined Vishwa and Jack on Maryland B at 2019 ACF Nationals, where they placed t-26th.