She joined the Schneider Regional Medical Center Hospital Board in 2008 as the nurse representative selected by the Virgin Islands State Nurses Association representing St. Thomas/St. John. She serves as a member of the Board’s Quality and Performance Improvement, ADHOC and Executive Committees. She is a member of Sigma Theta Tau International Honor Society of Nursing. Greta earned a Bachelor’s Degree in Nursing from the University of the Virgin Islands, a Master’s Degree in Nursing from Yale University and a Doctor of Nursing Practice from the University of Wisconsin-Milwaukee.