Pastor Mwenge has been married to Edith Mwenge since June 1991 and they have 4 children: two girls and two boys.
He has served in various capacities in the Baptist Churches of Uganda over the years:
- Baptist Student worker for Baptist Student Ministry
- Director: Baptist Student Ministry
- Youth Pastor: Kampala Baptist Church
- National Director: True Love Waits- a sexual abstinence campaign for unmarried youth
- General Secretary: Baptist Union of Uganda
- Pastor Andrew is currently
serving as the Senior Pastor of Kampala Baptist Church and he has
been serving in this role since 1997
A graduate of Kenya Baptist Theological Seminary and Arusha
International Baptist Seminary now Mount Meru Baptist University.