President and CEO Cameron K. Williams served in the Oklahoma Army National Guard for six years and was deployed to Afghanistan in an infantry unit in 2006-2007, when he was honorably discharged. Since then he has worked at home and overseas in Australia and Saudi Arabia in the oil and gas industry where he learned the unique environmental compliance issues associated with that industry. Cameron has owned and managed Sentinel Science since 2017. He is an experienced BMP inspector and will soon be a Qualified Stormwater Pollution Prevention Plan (SWPPP) Practitioner (QSP).

Vice President Mark J. Bellini played professional football in the NFL for several years. He has since worked as a biologist and environmental consultant for 20 years. He has served several times as a Nesting Bird Lead and Lead Biological/Environmental Inspector for large projects. He has authored thousands of reports providing project compliance with the National Environmental Policy Act (NEPA), the California Environmental Quality Act (CEQA), the Migratory Bird Treaty Act (MBTA) and other federal, state and local environmental protections laws and regulations.