Our Leadership

Seghir Messamah is the Director and Chairman of Geovista. An original founder since 1998, he drives the company’s strategic vision and direction. Prior to this, his career spanned the borehole geoscience industry in both service and manufacturing.

​

​

Brenton Armitage is the Chief Executive Officer for Geovista. He leads growth and operations and brings a wealth of expertise from the industry. Previously his career included the CCO of MCG and Wireline operations roles within the Australian mining industry.

​

​

Mamdouh Barazi is the Director and Chief Operating Officer for Geovista. He drives strategic planning, business development, and the global delivery of the company’s advanced product lines. His focus is on optimizing operational performance and delivering growth through creative solutions as Geovista rapidly expands its technology portfolio and international presence.

Dr Richard Windmill is the Geovista Global Sales Manager with a focus on the EMEA region. He is our senior Geoscientist and leads sales and technical support. Prior to this position, Richard has worked both as an industry geoscientist and as an academic with research projects including isotopic investigations of meteorites and terrestrial rocks, the recovery of metals from mine tailings and their use as a simulant in lunar ISRU research, and volatile abundances in Apollo lunar regolith samples in support of an ESA lunar mission.  

Dr Tim Hopper is the Chief Technology Officer of Geovista. His career has been technology focused and highly innovative with the development and launch of leading, successful technologies and companies in the Geoscience industry.

Ruslan Nuriakhmetov is the Geovista Business Manager for North America and South America. Previously, he has been a Business Development Manager, Product Manager and Operations Manager in the Borehole Geoscience Industry including manufacturing and wireline services.