A graduate of the MA Directing course at Met Film School, Ealing Studios, Tomisin's multi award-winning shorts, The Good Son & Marianne, have been selected at over 100 international film festivals including: Oscar-Qualifying Urbanworld Film Festival, the 25th New York African Film Festival, Smalls Film Festival & Triforce Film Festival. His work has also screened at several prestigious institutions, these include: Cinematheque Suisse, the Charles H. Wright Museum of African American History, The Museum of Fine Arts Boston, Film Society of Lincoln Center, the British Film Institute & BAFTA.

His short film, The Right Choice had its World Premiere at the 2018 Sundance Film Festival and was also selected to screen as part of Sundance London. The Right Choice also screened at the Oscar-Qualifying; Pan African Film Festival, Cleveland International Film Festival & HollyShorts Film Festival. Tomisin is a 2018 Edinburgh Talent Lab alumni.Appreciation, was selected to screen at BFI London Film Festival 2019 and was also nominated for British/Irish Short of the year by the London Critics Circle. Tomisin was one of 12 filmmakers selected for the BFI Network @ LFF development programme in 2019. 

He is currently on post production on a new short, Journey Merciesand is developing his debut feature.