Isabelle Sieb is an BAFTA-nominated British film and TV director.

In 2015, Isabelle was selected as one of five directors for Creative England's iShorts+ FUNNY GIRLS scheme, in partnership with Big Talk and Babycow Productions, with her film THREE WOMEN WAIT FOR DEATH, written by BAFTA-nominated writer Nat Luurtsema. The film won the Chris Collins Best of British Live Action award at the Oscar- and BAFTA-qualifying Encounters Film Festival 2016 and was long-listed for the Best British Short Film BAFTA 2017.

That same year Isabelle was also selected for Northern Film & Media's RISE  feature film development and mentoring scheme, and the Edinburgh International Film Festival's prestigious feature film development scheme CONNECTIONS in 2016, with writer Emer Kenny. 

For her first TV directing job, Isabelle was the lead director on the 26-episode drama THE ATHENA, starring new “Charlie’s Angel” Ella Balinska, which aired on Sky One in spring 2019. The show was created by Holly Phillips and produced by Paul McKenzie and Foz Allan. Isabelle directed the pilot as well as episodes 2-6. The show is nominated for “Best Drama” at the BAFTA Children’s Awards 2019.

Following THE ATHENA, Isabelle went on to direct the final 3 episodes of the new series of the critically acclaimed BBC One hit show SHETLAND, which also aired in spring 2019.

Isabelle is currently developing an original comedy-drama TV series with Sacha Baron Cohen and Andrew Newman's production company Spelthorne Community Television and Channel 4, co-created with and written by Kefi Chadwick.

Isabelle is represented by Curtis Brown for film and television in the UK and Grandview Management in the US.

She is a dual national of the UK and Germany and is fluent in both languages.