Jonathan Sieff

Available to hire

Award-winning writer, producer and agent with over a decade of experience in screenwriting, coverage and project development.

About

Award-winning writer, producer and agent with over a decade of experience in screenwriting, coverage and project development. I work closely with writers to shape and guide projects, turning initial ideas into polished scripts.

I’m now looking to bring this experience to a production company’s development team, with the long-term goal of becoming a creative producer.

  • Joined November 2025

Languages

  • EnglishFluent

Industry experience

  • Media & Entertainment
  • Professional Services

More experts in London, United Kingdom

Projects · 5

Tattoo
  • Content Producer
  • Creative Producer
  • Film Producer
  • +3

After a successful robbery with her two accomplices, a seductive con artist conspires to take the money for herself and her fiancée in a twisted tale of love and greed.

I was responsible for drafting and negotiating contracts for each role: cast and crew, budgeting, acquiring insurance, filming locations and maintaining onset welfare. The film currently has over 30000 views on Youtube.

Screw You
  • Film Producer
  • Screenwriter

Paul Strachan only came for a pint. Stuck in the pub toilet with a dead gangster, two urgent knocks on the door prompt a desperate dash to find a way out.

Winner: British Film Festival Best Short Film + others

Stalled
  • Screenwriter

Work experience· 8 roles

Script Reader · Programs4MediaJan 2022 – Jan 2022 · 1 mo

Evaluated scripts for international distribution, emphasizing artistic and commercial value.

Scriptwriter · Boulder Creek InternationalJan 2022 – Jan 2022 · 1 mo

Wrote voiceover scripts for extreme sports documentaries, blending entertainment with researched insights. Transcribed existing footage.

Script Reader · Route 24Jan 2022 – Jan 2022 · 1 mo

Reviewed novels and scripts, providing detailed feedback on story, characters, world, themes, adaptability and marketability.

Script Reader · Route 24Nov 2017 – Jan 2022 · 4 yrs 3 mos
Scriptwriter · Boulder Creek InternationalOct 2017 – Jan 2022 · 4 yrs 4 mos
Script Development Associate / Agent · Screen Talent AgencyOct 2017 – Present · 9 yrs 2 mos
Script Development Associate/Agent · Screen Talent AgencyOct 2017 – Present · 9 yrs 2 mos
Script Reader · s4MediaNov 2016 – Jan 2022 · 5 yrs 3 mos

Education· 5

BA (Hons) Media Production: Scriptwriting · University of Bedfordshire2013 – 2016
BTEC Extended National Diploma in Media Studies · Barnet College2011 – 2013
BA (Hons) Media Production (Scriptwriting) · University of Bedfordshire2030 – 2026
Raindance Film School: Saturday Film School & Introduction to Screenwriting · Raindance Film School2030 – 2026

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