She holds a Diploma of a planning engineer. Simultaneously with studying in the Academy Marina practiced professionally ballroom dancing. In 1999 she became a teacher of choreography.

Marina and Alexander met in 1993 and a year later, in 1994, their son Anatoly was born and they got married.

For Marina and Alexander it was their second marriage.

After Alexander Litvinenko escaped Russia in 2000, Marina and their son Anatoly followed Alexander abroad. Via Turkey they reached London where they were given political asylum by the British authorities.

For the last six years Marina Litvinenko lived in London with her husband and son.

In November 2006 Alexander Litvinenko died of poisoning by Polonium-210. Marina also showed signs of radiation contamination.

In her letter addressed to President Putin, in February 2007, Marina Litvinenko asked him not to obstruct the British investigation of her husband`s poisoning. She indicated that she would not rest until the killers were brought to account.

Currently Marina Litvinenko is writing the biography of Alexander Litvinenko with Alex Goldfarb.