Dr. Coelho is a human factors, safety, and risk management professional with experience in aviation, aerospace, on- and off-shore oil, gas, and petrochemical, marine, mining, construction, manufacturing, and utility industries.

As a cognitive neuroscientist who focuses on human motor control, he applies his expertise in cognitive and physical behavior to issues such as human error prevention, decision making, human reliability, safety in design, human-machine interfacing, warnings and labels, and ergonomics. He addresses these and other facets of human performance in operations, maintenance, and emergency contexts.

Dr. Coelho is a Certified Safety Professional and a Certified Fire Investigator, and he provides proactive consulting services to help improve safety and quality, as well as expert analysis and testimony in litigation cases involving premises liability, personal injury, and product liability, among others.

Prior to joining Exponent, Dr. Coelho was a Human Factors Design Engineer for the International Space Station at NASA-JSC.