Support Staff

Anna Kinghorn, MS –

Clinical Research Coordinator


Anna Kinghorn is a Clinical Research Coordinator for the Occupational Safety and Health Research Lab. She earned a double Bachelors of Arts in Sociology and Women’s Studies from Saint Louis University in 2009. She started with Washington University School of Medicine since 2009 as a research assistant for the Department of General Medical Sciences. In May 2014, Anna earned a Master’s of Science in Applied Health Behavior Research. She is interested in health education, health behavior theory, and workplace wellness. She enjoys working with study participants in many different areas and learning from their unique experiences.

Sam Biver, MPH –

Health Program Counselor

Sam is a Health Program Counselor for the OSHR lab.  He works one-on-one with participants conducting health coaching focused on weight loss for an obesity prevention study. Sam completed a Bachelor of Science in Physical Education with an endorsement in Health Education from Southern Illinois University Carbondale in 2010.  He taught high school health and physical education for 3 years in central Illinois.  In 2016, he earned a Master of Public Health degree in Behavioral Science from Saint Louis University and became a certified ACSM Personal Trainer.  Sam enjoys the opportunity to help individuals improve their quality of life through coaching and education.

Marco Barrera, BS –

Clinical Research Study Assistant II

Marco Barrera is a clinical research assistant in the Occupational Safety and Health Research Lab. He earned a Bachelor of Science in Psychology and a minor in English from Missouri State University. He has a history of work in behavioral medicine. Marco joined Washington University in November of 2016. He is drawn to the area of health research and the improvement of people in the workplace.