She studied acting at the Ernst Busch Academy of Dramatic Arts in Berlin but left the school in her second year.

[2] Tezel filmed Marco Kreuzpaintner's feature Coming In which was released by Warner Bros. in October 2014, playing female lead Heidi who falls for a gay star- hairdresser (Kostja Ullmann).

She played female lead Sabine in Robert Manson's English-language debut feature film Lost in the Living.

In February 2021 ZDFneo originals released the 6-part miniseries Unbroken in which Tezel plays the main role, Alex, a tough cop trying to find her child after having been kidnapped.

Tezel also wrote and directed the short film Phoenix (2020) starring Irish actors Killian Scott, Bríd Brennan and German actress Leonie Benesch which premiered at Max Ophüls Festival.

In 2023 Tezel's directorial debut, the romantic drama Falling Into Place, which she also wrote and starred in alongside Chris Fulton celebrated its European premiere in the first feature competition of the 27th Tallinn Black Nights Film Festival where it was awarded the FIPRESCI award.