Cobley received her bachelor of science degree in biomedical sciences from Western Michigan University, Kalamazoo, MI. She went on to receive a bachelor of science and master of science degree in nursing from Michigan State University, East Lansing, MI. Cobley is certified in basic cardiac life support, advanced cardiac life support, pediatric advanced life support and perioperative nursing practice. She is a member of the Michigan Council of Nurse Practitioners, the Michigan Council of Nurse Practitioners and the Association of Peri-Operative Nurses.