Management Team

Oliver Kuhn
Oliver Kuhn, CEO of Quantec Geoscience, is a seasoned geophysicist with a B.Sc. from Western Ontario. His global career spans Calgary, Singapore, and Toronto. He joined Quantec in 2014, leading innovations in DCIP and MT surveys. A former CSEG President, he is deeply committed to advancing exploration geophysics.

John Stewart
John Stewart is the Chief Financial Officer (CFO) of Quantec Geoscience, a leading provider of geophysical services. With a strong background in finance and accounting, His expertise contributes significantly to Quantec’s success in delivering advanced geophysical solutions to the exploration industry.

Mark Morrison
Mark Morrison is the Director of Operations at Quantec Geoscience, overseeing geophysical survey operations globally. He holds a B.Sc. (Hons.) in Geophysics from the University of Western Ontario. At Quantec, he advanced from field operations to General Manager of Chilean and Peruvian operations in 2011.

Rob Gordon
Robert Gordon is the Manager of Sales and Marketing at Quantec Geoscience, leading the company’s business development efforts. He is a registered Professional Engineer in Ontario and holds an Honorary Fellow designation from Geoscientists Canada for his extensive volunteer work with the Association of Professional Geoscientists of Ontario (APGO).

Roger Sharpe
Roger Sharpe, a key expert at Quantec Geoscience, advances geophysical surveys, using innovative techniques to aid resource exploration and deliver sustainable solutions worldwide.With extensive expertise in subsurface imaging, he has contributed to groundbreaking advancements in the exploration of natural resources. Roger specializes in deploying cutting-edge technologies, such as resistivity and IP surveys, to deliver high-resolution data for mining, geothermal, and environmental projects.

Nigel Unger
Nigel Unger, Vice President of South American Operations at Quantec Geoscience, has been with the company since 1999, managing geophysical surveys across South America. Since 2007, he has led Quantec’s Argentina office. Nigel earned a B.Sc. (Hons.) in Engineering Geology from the University of Natal, South Africa. With over 20 years of geological and geophysical experience in countries including Angola, South Africa, Brazil, Chile, Peru, and Argentina, he adeptly oversees all aspects of Quantec’s operations in Argentina.

Kevin Blackshaw
Kevin Blackshaw, Director of Business Development at Quantec Geoscience, has been with the company since the late 1980s. He played a pivotal role in developing field operations procedures for TITAN technologies in the early 2000s and managed global field operations for TITAN and Spartan deployments. Kevin holds a Diploma in Geological Engineering from Cambrian College of Applied Arts and Technology in Sudbury, Ontario.

Maya Gomes
Maya Gomes, the HR Manager at Quantec Geoscience, leads talent acquisition and employee development, fostering a positive workplace culture. She ensures teams thrive through effective communication, strategic planning, and suppor

Juan Bascur
Juan Bascur is the General Manager for Chile and Leader of the South American Interpretation Group. An Electrical Engineer and Geophysicist with 20+ years in exploration geophysics, he specializes in electromagnetics and borehole technologies for mining, oil & gas, geothermal, groundwater, environmental, and engineering applications. He is deeply committed to teamwork, capacity building, continuous improvement, and geophysical innovation.

John Spezeski
John Spezeski, General Manager Peru, has 20 years of experience applying his diverse technical interests to the challenges presented in natural resource exploration. He strives to lead the Peruvian team by example in safety, quality, and efficiency. He holds a B. Sc. in Information Systems from the University of Arizona where his graduate studies were interrupted by the overwhelming desire to pull wire over hills.

Mehran Gharibi
Mehran Gharibi is the Manager of the Interpretation Group at Quantec Geoscience, bringing over 35 years of academic and industry experience across various disciplines, including seismology, seismic exploration, and geophysical electromagnetic methods. Mehran holds a Ph.D. in Geophysics and his extensive background plays a key role in helping Quantec advance cutting-edge practices and foster the development of innovative technologies.
Our Technical Team
Quantec’s technical team has a vast collective amount of experience. Our core team is made up of professional geoscientists that have worked in the area of data analysis and interpretation most of their careers.