2025 GTCO summer internship program for Africa/How to Apply. 2025 GTCO summer internship program for Africa/How to Apply. The GTCO Summer Internship is a highly competitive program designed for talented and vibrant undergraduate and postgraduate students. The program offers a unique opportunity to gain work experience at GTBank and its sister companies, while continuing to expand the frontiers of excellent service. Benefits of the GTCO Summer Internship Program: As a participant in the GTCO…