Marsha Johnson



Marsha Johnson is a registered nurse and a Senior Clinical Research Associate with more than 30 years in the healthcare industry. She currently works as a Senior Clinical Research Associate for ProTrials located in San Jose, California. In earlier work, she developed a quality assurance plan for the President’s Emergency Plan for AIDS relief in Nigeria. She has conducted clinical site monitoring visits in Uganda, Bahamas, Puerto Rico, South Africa, Thailand and at multiple domestic sites. She was also responsible for monitoring oversight of 5 clinical research sites in Brazil.


MS from Northeastern University (2008)

Professional Experience

ProTrials (2014 (Present)

Senior Clinical Research Associate

Westat (2004-2014)

Lead Clinical Research Associate, Project Manager

Georgetown University Medical Center (1985-2004)

Registered Nurse, Study Coordinator