Crystal Markley, a Jacksonville District engineer, doesn't vacation in Paris or Tahiti but uses her annual leave volunteering with Engineers without Borders (EWS-USA) to help communities in rural areas access potable water.
Markley, who received a degree in agricultural and biological engineering from the Pennsylvania State University, joined Jacksonville District in July 2010. She worked with EWB-USA to improve access to clean water and sanitation in the Nahuaterique region of Honduras.