
Jose Roberto Perez
Director of Mining
tel: (55 31) 3261 9567
fax: (55 31) 9979 1004
email: jperez@sandwell.com
José Roberto Perez has a solid background of over 30 years of engineering and project management experience. His areas of expertise include managing projects associated with the chemical, mining and metallurgical fields and their associated logistics. He also has a background as a professor of mechanical engineering, and applied research and development.

Barrie Johnson, P.Eng.
Director of Projects South America
tel: (604) 638 4567
fax:(604) 688 5913
email: bjohnson@sandwell.com
Mr. Johnson is a professional engineer with a wide range of experience in multi-disciplinary project management, concept development, detailed design, contract administration, and construction management of bulk materials handling, environmental, heavy industrial, marine, civil and power projects.
