I have 31 years of experience, and specialize in the field of safety and health with specific knowledge in the areas of general industry, construction safety practices, slips, trips and falls, and ergonomics. I have published on such topics as falls, particulate air pollution monitoring, and whole body vibration. I have testified 15 times on topics such as safe work practices, pedestrian falls, and Occupational Safety and Health Administration (OSHA) compliance.