This, he said, would help gain the trust of the people, especially the assembly members, to unite and mobilise for community development.
The MMDCEs were also urged to work closely with traditional leaders in their communities on all development initiatives and secure lands for future projects.
Mr Osei Mensah made the call during a meeting of the Offinso North District Assembly, where Mr Albert Safah was approved as the new District Chief Executive (DCE).
Mr Safah secures 29 out of 34 votes to become new Offinso North DCE
President Akufo-Addo nominated Mr Albert Safah as the new DCE of Offinso North District to replace Mr David Akwasi Asare, the former DCE who passed away.
During the assembly's sitting, Mr Safah obtained 29 out of the total 34 votes cast by the Assembly members to secure his nomination.
Mr Osei Mensah commended the assembly for exhibiting strong unity and working together to improve the lives of the people.
Effective leadership is key to development – Augustine Collins Ntim
Speaking at the same meeting, the Deputy Minister for Local Government and Rural Development, Mr Augustine Collins Ntim, said effective leadership was needed to bring development to the people.
He applauded the assembly members for approving the nominee and called for support to enable him to discharge his duties effectively.
Mr Ntim, who is also the Member of Parliament for the area, appealed to the people to rally behind the Government as it worked to address the economic challenges of the nation.