He gained his Master of Business Administration at European Institute of Business Administration (Institut Européen d'Administration des Affaires) in 1966.
As of 2015, he has two surviving brothers, Isaac, who is older and Beno, who is younger. A fourth brother, Raymond, died in 2002. Salem"s business interests are in logistics and supply chain management.
His directorships include Parker Logistics Limited, Forextra Developments Limited, and Forextra (Grosvenor) Limited.
He is company secretary of Frelene Limited. Freddy and Moussa Salem are the owners, via a company registered in the United Kingdom, of 14-25 Mount Street in London, a row of buildings that includes Scott"s restaurant where James Bond author, Ian Fleming, used to dine, and shops such as Marc Jacobs and Ralph Lauren with flats above.
As of March 2015, the buildings are for sale with an asking price of £110 million. Salem and his Beirut-born wife Muriel (who moved to England in 1975) are art collectors and patrons of the Cranford Collection.
Formed in 1999, the Salems" art collection by 2014 comprised over 700 works with many from the Young British Artists of the 1990s.
The collection is on display at a private home in the Regent"s Park area with viewing by appointment. The Salems have been advised by Andrew Renton until 2011 when Anne Pontegnie succeeded him.