Mary Hastler

Mary Hastler began their work experience in 2006 as the Assistant Director of Support Services at the Baltimore County Public Library. Mary held this role until 2008. In 2010, they joined the Harford County Public Library as the Chief Executive Officer and continues to hold this position.

Mary Hastler has a Master's degree in Health/Health Care Administration/Management from Central Michigan University. Mary also holds a MLS degree from the University of Maryland.