He is the managing director of award-winning Accra-based English speaking radio station Citi FM.
[4] In 2015 Atta-Mensah was known to have prayed the Supreme Court of Ghana to step in after the country's Speaker of Parliament Edward Doe Adjaho refused to take the mandatory oath of office, before acting as head of state, when the president John Dramani Mahama and his vice were away on official assignments.
[8] On April 13, 2018, Attah-Mensah was appointed by the presidency as head of the Coastal Development Authority to be assisted by four deputies.
[11] He also served as Programmes Director at Multimedia Broadcasting, where he oversaw the setting up of a number of radio stations in Accra, Kumasi and Tema, all in Ghana.
[12] In 2014, Samuel Atta-Mensah was picked up by the Bureau of National Investigations (BNI) for questioning after the publication of a story on citifmonline.com about a 12 kg cocaine drug bust at Heathrow Airport, involving a Ghanaian woman.