Prior to this role, Sahal worked in pediatric general surgery, trauma and child abuse research. Notable contribution includes research in the development of clinical decision support system for predicting risk of venous thromboembolism in pediatric trauma patient. Also worked with CUNY Center for Systems and Community Design on Physical Activity and Redesigned Community Spaces (PARCS) study funded by National Cancer Institute and New York State Health Foundation. Areas of interest are clinical decision support and secondary use of big data in healthcare.

Sahal has a Bachelor of Dental Surgery (BDS) from Gujarat University, India and a Masters in Public Health (MPH) in Epidemiology and Biostatistics from the Graduate School of Public Health and Health Policy, City University of New York (CUNY), New York City