Complex sentence: Before began his career, Teguh had working in several bank, such as Citibank, BSB Bank, and Aspac Bank and establishing for his businessman Exnal Corp Jakarta where he served as CEO and senior consultant.
Split into simpler sentences: Before began his career, Teguh had working in several bank, such as Citibank, BSB Bank, and Aspac Bank. Teguh was also establishing for his businessman Exnal Corp Jakarta where he served as CEO and senior consultant.