Acts 14:23

14:23 When they had appointed elders for them in the various churches, with prayer and fasting they entrusted them to the protection of the Lord in whom they had believed.

Acts 15:4

15:4 When they arrived in Jerusalem, they were received by the church and the apostles and the elders, and they reported all the things God had done with them.

Titus 1:5

Titus’ Task on Crete

1:5 The reason I left you in Crete was to set in order the remaining matters and to appoint elders in every town, as I directed you.