She developed the core curriculum health course, Lifetime Wellness, which was a requirement for every student. She also taught wellness sessions to Biola faculty and staff, spoke at faculty conferences, and trained the student care team. Dr. Walker has a passion for Global Health and works in various countries implementing programs that promote health and prevent disease for vulnerable populations. She is also a Certified Health Education Specialist and has previous experience implementing health coaching programs in large corporate settings. She has taught graduate level courses in Health Behavior Theory (behavior modification), worked at Departments of Health in health promotion and disease prevention, and formerly worked at the ME CDC.

She was most recently a professor at Biola University. She worked at Biola for 20 years and was trained by Talbot in faith integration, along with positions such as leading the nationally recognized Exercise Is Medicine program for the campus. She taught courses in kinesiology, health, and wellness. She also partnered with Dr. Walker to help develop the Lifetime Wellness curriculum for the core curriculum and taught wellness sessions for Biola staff and faculty. Her background teaching Health Measurements and Evaluation helped them design their assessment tool for Better Wellness.