Complex sentence: Barnette is employed by the National Oceanic and Atmospheric Administration (NOAA) as a marine biologist protecting sea turtles by making sure fishing fleets worldwide are utilizing turtle excluder devices.
Split into simpler sentences: Barnette is employed by the National Oceanic and Atmospheric Administration (NOAA) as a marine biologist. His current duties include protecting sea turtles by making sure fishing fleets worldwide are utilizing turtle excluder devices.