Peeples has served in a leadership capacity for over 16 years at WellDoc, a digital health company transforming the delivery of health care in the value-based world with the use of Food and Drug Administration-cleared digital health solutions focused on chronic disease care. She recently began a digital health and informatics consulting company. 

Peeples is a registered nurse, certified diabetes educator, and clinical and informatics nurse specialist. She earned a bachelor’s degree in nursing from the University of North Carolina in Charlotte, a master’s degree in nursing informatics from the University of Maryland School of Nursing (UMSON) in 1997, and a master’s degree in health sciences informatics from the Johns Hopkins School of Medicine in 2007. She currently serves as an adjunct assistant faculty member in the Division of Healthcare Informatics at Johns Hopkins. 

Peeples has been a dedicated volunteer for numerous local and national professional organizations. In 2005-2006, she served as president of the American Association of Diabetes Educators, an association that awarded the Distinguished Service Award to her in 2018. Peeples is active with UMSON’s speaker series and past president of the Alumni Council. She was awarded the School of Nursing's Catalyst for Excellence Award in 2024.

Peeples has served on the UMBF Board of Trustees since 2019. In 2024 she was named Secretary of the Board.