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Meet the Faculty

Kelli Greenleaf

Kelli Greenleaf, FNP-BC

APRN Primary care fellowship director

Kelli Greenleaf is a Colorado Springs native. She completed her undergraduate and master’s degrees at the University of Colorado – Colorado Springs. She's been part of the APRN Fellowship program since 2016 and Program Director since 2021. Her approach to treating patients comes from the core values of caring and compassion. She strives to provide quality and compassionate care to all patients in this community that she loves.

Kelli believes in Peak Vista’s mission and supports the mission through the Primary Care Fellowship by contributing to training new APRNs to provide exceptional healthcare to community members facing access barriers through clinical education and mentorship.

Anna Mack

Anna Mack, DNP

aprn primary care fellowship faculty

Anna Mack, NP, completed her undergraduate and master’s degree at the University of Colorado Boulder. Anna believes in patient-centered care: “Those small wins are what really inspire me and enable me to continue in my career. The times when a patient comes back and is feeling better or decides that they are ready to better their health is awesome to me.”

She loves to hike, bake, run, and spend time with her friends and family.

Sally Abell

Sally Abell, DNP

APRN Primary care fellowship faculty

Sally Abell is a Nurse Practitioner at Peak Vista's APRN Fellowship Clinic at Union and describes her core values as hospitality and clinical excellence. She strives for all her patients to feel welcomed and heard, all while offering the best possible care.

"My goal is to ensure that everyone in our community, especially those with the greatest need, have access to the best care my team can offer. There is so much to learn and know about medicine, and Peak Vista's commitment to caring for the most vulnerable in our community, while also training future leaders in healthcare, is an incredibly valuable way to invest in patients and providers at the same time."