During this term he was also a minister who held various portfolios.

He held portfolios in the federal government, such as, parliamentary secretary and standing committee chairman during his tenure.

He also held various ministerial portfolios in the Kufuor government.

As a Union Minister during 1963-1971 he held various portfolios.

In addition to this academic position, he has held numerous ministerial and political portfolios.

He had held portfolios of tourism and transport also.

He later became a minister under Goss, holding several portfolios.

He held several portfolios until Labor's defeat at the 1993 state election.

Major insurance companies, such as Prudential, that hold large portfolios of farm loans are also said to be involved.

Later, he also held key portfolios like health and refugee rehabilitation.