Michael J. Rosko, P.G., Hydrogeologist / Principal
Santiago Operations Manager

areas of specialization lithium resource evaluation, water supply development, mining hydrogeology, and satellite image analysis

In addition to his current role as Operations Manager of our Santiago office, Mike Rosko has managed projects in Arizona, Argentina, Bolivia, Brazil, Chile, Colombia, and Mexico. He has spent much of his career at M&A developing new water supplies and assessing aquifer conditions in arid environments, both in the southwestern U.S. and in the desert regions of South America. His responsibilities have included designing wells and wellfields, characterizing hydrogeologic systems, analyzing groundwater chemistry, and designing and implementing monitoring programs. One area of interest has been using satellite image analysis to assess long-term trends in environmental conditions.

Mike has extensive experience designing and managing field investigations to characterize lithium brine and potash resources. He is a Qualified Person under Canadian Securities Administrators National Instrument (NI) 43-101 and a Competent Person under the Australasian Joint Ore Reserves Committee (JORC) Code for lithium brine resource and reserve estimations. He has published and presented many professional papers during the last 30 years. Mike is a fluent Spanish speaker.

Hydro Notes

Use of chlorofluorocarbons for aquifer characterization