Tim Wallace

Tim Wallace is a part owner and Geological Engineer at Call & Nicholas, where responsibilities include international consultancy on open pit slope stability, underground rock mechanics, and hydrology for mining operations. With extensive project management experience, Tim oversees all phases of engineering design, from data collection to report preparation and client communication. Prior to this role, Tim worked as a Field Geophysics Technician and Electrical Properties Lab Technician at Zonge International, managing rock lab activities. Tim holds a Bachelor’s Degree in Geological Engineering from the University of Arizona.