Justin Semadeni has worked in the core drilling industry since 1987. He has operational experience in the US and abroad in all aspects of the core drilling industry from entry level to management including deep hole, directional drilling, and specialty core drilling services.
JEFF RILEY – OPERATIONS MANAGER
Jeff Riley has worked in the drilling industry since 1977. He has 30 year’s operational and supervisory
experience and 15 years of managerial experience in all aspects of drilling in the US and abroad including
Oil & Gas, Deep Hole Core Drilling, R/C, Geothermal Drilling, and Directional drilling from 1977 to
CHRIS JENSEN – CONTRACTS MANAGER
Chris Jensen has worked in the drilling industry since 1995. He has experience in operations,
supervision, and management of all aspects of core drilling operations in the US and abroad including
deep hole surface core drilling, underground core drilling, and directional drilling.