 He also holds a Certificate in Finance for Oil Industry Management (IHRDC) Washington DC, U.S.A.

Tanoh was a founding member of the National Democratic Congress party (NDC).He served on various finance and economic boards in Ghana, particularly as the Executive Director of Finance and Administration of the Ghana National Petroleum Corporation from 1989 to 1992.He was a lecturer of law at the University of Ghana between 1982 and 1983.