The Management of the GMMB comprises of the following:
| Mr. Essel Blankson | Acting Executive Director |
| Kenneth Fomjegeba | Head of Administration |
| Isaac Aduko | Head of Finance |
| Malik Mahmoud Saako | Head of Museums Division |
| Bernard Sackey | Head of Monuments Division |
| Sandra Bruku | Head of Education |
| William Nsuiban Gmayi | Head of Public Relations |
| Owusu Afriyie | Head of Internal Audit |
| Akosua Buckman | Head of Museum of Science and Technology |
| Clifford Ashun | Regional Head – Central Region |
| Regional Head- Western Region | |
| Prince Buertey Lawerh | Regional Head – Volta Region |
| Prisca Yenzie Bubil | Regional Head, Upper East Region |
| Samuel Guri | Regional Head, Upper West Region |
| Francis Kwarayire | Regional Head, Ashanti Region |