Jack A. Caldwell

Mining and Civil Geotechnical Consultant

L.L.B. Law, University of Witwatersrand, South Africa, 1977
M.Sc. Geotechnical Engineering, University of Witwatersrand, South Africa, 1972
B.Sc. Civil Engineering, University of Witwatersrand, South Africa, 1968

Registered Professional Engineer, California, No. C58841
Registered Professional Engineer, Washington, No. 32384


Jack Caldwell has over 35 years engineering experience on mining, civil, geotechnical and site remediation projects. He has worked on numerous projects throughout southern Africa, Europe, Canada and the United States. His project experience includes:

In addition, Mr. Caldwell has been the lead specialist for various geotechnical and civil engineering projects in Southern California.


2005 to present
Consulting Civil and Geotechnical Engineer, Robertson GeoConsultants Inc.
2005 to present
Consultant, SES Incorporated
1995 - Present
Associate and Senior Engineer, GeoSyntec Consultants
1985 - 1995
Project Manager, Jacobs Engineering Group Inc.
Manager of Operations, Oak Ridge, Tennessee
Project Director, FERMCO, Cincinnati, Ohio
Manager of Operations, Kansas City, Kansas
Manager of Engineering, Albuquerque, New Mexico

1980 - 1985

Project Manager/Senior Engineer, Office
Manager/Engineer, Steffen, Robertson and Kirsten

1979 - 1980
Senior Geotechnical Engineer/Design Engineer, Robertson-Pincock Inc.

1976 - 1979
Senior Engineer/Group Manager, Steffen, Robertson and Kirsten
1970 - 1975
Lecturer in Geotechnical Engineering, University of Witwatersrand
1969 - 1970
Civil Engineer, UC Dumez Borrie Construction

Publications and Courses

Mr. Caldwell has written numerous engineering reports, proposals, and technical papers. He is the lead author of the book, Principles and Practice of Waste Encapsulation, on the design of waste disposal facilities for radioactive and hazardous wastes.