Rogneby was born in Ethiopia, and she was adopted by a Swedish couple when she was one years old.

She was brought up in northern Sweden where she was the only black person in her community.

[3] Rogneby became an investigator with the Swedish police which she carried out for seven years.

[4] She left for Malta where she planned to write, and her debut novel was called Leona – The die has been cast[1] and it was part of a three-book agreement with a New York publisher.

[4] Her character Leona wants to live in Malta and she is both a member of the police and a potential criminal.