The core Drill-Ex International team is very tight and has had a long relationship working together.

R/C Driller, Taner Tahir and Diamond Core Driller, Valentin Dimitrov are Partners in the company. They are Bulgarian drillers who Richie trained personally and who have been with him for over 8 years. The team also includes other well-trained drillers from Bulgaria and Ghana. In Armenia they are joined by a capable staff which provides local support and logistics. Team members speak Bulgarian, Russian, Turkish, Serbian, English and Armenian.