Sible received her B.S. degree in Environmental Science from the College of Santa Fe in Santa Fe, New Mexico and her Doctor of Pharmacy degree from the University of New Mexico. She completed a two-year cardiovascular pharmacotherapy fellowship at the University of New Mexico.
Sible's research interests are in scholarship of teaching and learning and provision of pharmacist services. Her current work is in the assessment of communication skills in inter-professional education and in pharmacist prescriptive authority for hormonal contraception.