I have 43 years of experience, and specialize in the field of materials handling with specific knowledge in the areas of conveyors and conveyor systems, screw conveyors and bucket elevators. I have published on such topics as overland conveyors, stockpile blending and pipe conveyors. I have testified 25 times on topics such as conveyor injuries, conveyor related explosions and patent infringement. All my experience professionally and in litigation is related to conveyors and conveyor systems.