09/25/2019 03:14:35 PMGeophysics was Dayna Salter’s first love. The California native enjoyed a 35-year career in the oil industry before unleashing on her second passion: teaching. “I always knew when I retired from the oil business, I would want to teach at a junior college,” said Salter, who earned a master’s in educational psychology from the University of Houston College of Education in 1996. Salter, worried about the possibility of being laid off at the time, had returned to school after the economic recession of the early 1990s.