Human capabilities and limitations in extreme, hostile, or remote environments. Human-Systems Integration, inclusive of the HSI Domains: Manpower, Personnel, Training, System Safety and Environmental Health, Habitability, and Survivability.CompetenciesExtensive knowledge, development, and application of user and maintainer human systems requirements; HSI/MANPRINT. Subject matter expert for human performance in extreme environments including space, combat, underwater, hostile environments, nuclear power, and similarly complex systems. Experienced in design, production, test, and verification of major systems such as International Space Station, space-based tele-robotics, Spacelab, nuclear power plant control, Ground-based Mid-course Missile Defense, P-8A Poseidon, and 787 Dreamliner aircraft. Proficient in requirements identification, documentation, and verification. Extensive background in human system performance evaluations in both the laboratory and field environments.