[2] As a high schooler, Tomasello was a four–time Ohio (OHSAA) state champion in Division II out of the Cuyahoga Valley Christian Academy.

[5][6] As a sophomore and a junior, Tomasello remained undefeated throughout both regular seasons, claimed the B1G titles, but both times lost in the semifinals of the national tournaments and came back for third, becoming a three–time All–American.

[7][8][9] In his final year, his only loss during regular season was to freshman phenom from Iowa Spencer Lee, a multiple–time age–group freestyle World Champion, and would go on to compile a 7–1 record during this time frame.

[15][16][17] After not competing in 2018, Thomasello placed sixth at the 2019 US Open and second at the Bill Farrell Memorial as well as the US Senior Nationals, qualifying for the 2020 US Olympic Team Trials with the latter result.

[22] Tomasello then registered to compete at the prestigious 2021 Poland Open in early June, and moved from 57 to 61 kg on a days notice.