Professor Semple has been teaching in the Department of Journalism, Media Studies and Public Relations since 2005. She is the proud recipient of the 2008 Distinguished Teacher of the Year award. In the spring of 2019, Professor Semple successfully launched the Lawrence Herbert School of Communication's first student-led integrated communication agency, The Swing Agency. The agency operates in collaboration with Hofstra’s Center for Entrepreneurship serving diverse entrepreneurs in the local community.
Professor Semple’s has presented and published research focused on the gender imbalance in public relations and millennial's influence on PR agencies. She is an active member of the Lawrence Herbert School of Communication Diversity and Inclusion committee. Professor Semple’s present research is focused on diversity and inclusion efforts with consumer brands.