After qualifying as a Barrister-at-law in 1984 he worked at the office of the Provisional National Defence Council and entered private legal practice prior to being called to the High Court bench in June 2002.

He proceeded to Navrongo Secondary School in September 1977 and obtained his Advanced Level ('A'-Level) certificate there in June 1979.

[4] He began his career as a national service personnel working in the capacity of a Legal Assistant at the Castle Information Bureau Office of the Provisional National Defence Council (PNDC) and briefly as a prosecutor in the office of the Special Public Prosecutor from August 1984 to July 1986.

[5] While in private practice, his areas of expertise included: Nationality, Immigration, Corporate, Commercial and Insurance Law.

[1] He remained in private legal practice until June 2002 when he was called to the bench as a judge of the High Court.

[8] He was part of a seven-member panel that will be hearing the 2020 election petition by John Mahama against The Electoral Commission of Ghana and Nana Akufo-Addo.

[9] Samuel Marful-Sau died on 10 August 2021 at the Ga East Hospital after a short illness.