Tumi Bjartur Valdimarsson is a director, producer and editor based in Reykjavík.

Tumi worked as video news editor in 2015/16 for Channel 2 where he honed his skills as an editor.

In 2017 Tumi made a short documentary about A L’ARME! an alternative jazz festival in Berlin to great reception.

Tumi wrote, directed and produced the short film AUNT, his graduation thesis, in 2019 and was awarded Best Director at the Signals Festival in Funkhaus Berlin. The film was also selected to be screened at Ce l’ho Corto Film Festival in Bologna.

Between 2019/20 Tumi edited the Channel 2 travel documentary series HVAR ER BEST AÐ BÚA? directed by Lóa Pind Aldísardóttir. The series follows Icelandic families living abroad and chasing their dreams.

In 2020 Tumi worked on the production of the feature film A LETTER FROM HELGA (Svar við bréfi Helgu) directed by Ása Helga Hjörleifsdóttir and based on the best selling book, of the same name, written by Bergsveinn Birgisson.

Since 2021 Tumi has produced videos for Treble Technologies, an Interview Series and a Concert Series. That same year Tumi edited the television documentary I SEE YOU (Ég sé þig) directed by Anna Hildur Hildibrandsdóttir for RÚV. The documentary followed Sigrún Sævarsdóttir-Griffiths, the Academic Leader of Collaborative Skills, Workshop Skills and Social Arts Practice at Guildhall School of Music & Drama and two of her projects, one in Reykjavík and the other in London. Both projects focused on activating people working through trauma by making music together. Tumi also worked on the production of the television show STÓRA SVIÐIÐ directed by Hannes Þór Arason for Channel 2.

In 2022 Tumi started production on the feature documentary SPRING AWAKENS (Vorið vaknar) and subsequently secured substantial funding from The Icelandic Film Fund. The film focuses on organic farming in Iceland. Tumi is directing and producing the film alongside Anna María Björnsdóttir and the film is set to premiere at festivals in 2024 and subsequently shown, later the same year, on Sjónvarp Símans.