After Paul and Barnabas parted ways in Acts 15, whom did Paul choose as his new companion?

Answer: Silas

After a sharp disagreement over John Mark, Barnabas took Mark and sailed for Cyprus, but Paul chose Silas and left.

“Their disagreement was so sharp that they parted company. Barnabas took Mark and sailed for Cyprus, but Paul chose Silas and left, commended by the brothers to the grace of the Lord.”— Acts 15:39-40 (BSB)