Emmanuel was appointed to the Board of Guaranty Trust Bank ( Ghana) Limited in March 2005. He holds a BSc Degree in Administration with a major in Accounting from the University of Ghana Business School (1981) where he also served for three years as a Teaching Assistant, part of the period being in fulfillment of his National Service.

He trained with Charles Ocansey and Company and qualified as a Chartered Accountant in 1986. He has been the Managing Partner in the Accounting firm; Boateng, Offei and Company (correspondent firm of Grant Thornton International) since 1991.                                          He is also a member of the Institute of Chartered Accountants, Ghana and has held directorship and consultancy positions in several private and public organizations.