Penny Messner APRN, CNS, DNP

Dr. Penny Messner is an Adult Health Clinical Nurse Specialist for Mayo Clinic, Rochester.  Dr. Messner supports the Cardiovascular Surgery Progressive Care Nursing Practice and has been instrumental in the initial certification and recertification of the Destination Therapy Ventricular Assist Device Program by the Joint Commission.  Dr. Messner has also provided CNS support to the Cardiovascular Health Clinic and Nuclear Echo practices.  During her career, she has focused clinically on improving pain management for the cardiovascular surgery patient, reducing hospital length of stay, anticoagulation management, improving venous thromboembolism prevention, and anticoagulation management to name of few. She served as adjunct faculty in at Winona State University in teaching Health Care Policy and Finance 2010-2011. Over the years she has served as a preceptor and mentor to several of her CNS colleagues.


President Elect

Mary Gruber, MSN, APRN, AGCNS-BC

Mary is a Cardiovascular CNS with 40 years of heart care experience at HealthEast. Now as a CNS in M Health Fairview, she partners across the Cardiovascular Service Line in multiple hospitals, supporting practice from the CV procedural areas to Cardiac Telemetry units. Mary is leading Fairview system-wide Alarm Management projects and is subject matter expert with cardiac monitoring and telemetry. Mary’s background includes 17 years of CCU and CV-ICU experience as well as 9 years as a Critical Care Educator. Reflected in her work with heart care program development is her long-standing passion about heart failure, women with heart disease, AMI/PCI care, teaching heart rhythms, and 12-lead ECG interpretation. Her undergraduate degree was from the College of St. Benedict and graduate degree was through Winona State. Mary’s recent transition to becoming a Clinical Nurse Specialist was a natural progression, although a long time in coming. Current Memberships: American Association of Critical Care Nurses, National Association of Clinical Nurse Specialists, Minnesota Affiliate of the National Association of Clinical Nurse Specialists, Member of MN NACNS 2019 Fall Conference Planning Committee. 





Kelly Derby, MS, APRN, CNS

Kelly works at the Mayo Clinic in Rochester, MN.  Currently cover Orthopedic Trauma inpatient unit and outpatient Orthopedic practice. She has a WOCN wound certification to compliment her Adult Health certification.   Her past experience includes co-chair of the Mayo Clinic Nursing Guidelines Committee, Co-Chair of the Mayo Clinic Nursing Practice Committee, and current nursing proponent for Institutional Policies and Procedures.  She also co-chaired the MNNACNS planning committee for the annual conference over the past two years.  She is interested in branching out to support and connect with colleagues across Minnesota as secretary for the MNNACNS.  





Amy Moore is a CNS at M Health Fairview.  She completed the adult-gerontology CNS post-master’s certificate program at Winona State University in 2018.  Prior to her CNS role, Amy has practiced as a certified diabetes educator for a number of years.  She has served on the board for the Minneapolis-St. Paul Diabetes Educators in positions of treasurer, and member-at-large.  In her free time, Amy enjoys traveling, and spending time with her 2 adult children and grand-dog

Immediate Past President

Shamsah Rehmatullah, MS, RN, ACNS-BC

Shamsah Rehmatullah is a Med/Surg Clinical Nurse Specialist at The University of Minnesota Medical Center.  Her clinical focus includes preventing delirium, falls prevention, sepsis management, early recovery after surgery, reducing length of stay to name a few. Shamsah was also the clinical lead from Fairview in their partnership with The Joint Commission Center for Transforming Healthcare on preventing falls with injury project. Shamsah is also an Affiliate Faculty at University of Minnesota school of Nursing and has been a preceptor for graduating students from University of Minnesota and Winona.


Student Representative


My name is Andrea Swenson and I am a second-year student in the Doctor of Nursing Practice program at the University of Minnesota Twin Cities studying to be an Adult-Gerontological Clinical Nurse Specialist. I obtained my undergraduate BSN degree from Minnesota State University Moorhead. I currently work at the Alomere Health - Alexandria Clinic in West Central Minnesota as a Float Registered Nurse. My interest is in cardiology and improving healthcare through the discipline of nursing. Prior to going casual at work I participated in the redefining of our organization's values and was a Value Leader which aimed to keep the values alive during the every day nursing duties. I live in Alexandria with my husband and our new puppy, Luna, and we love spending time in the outdoors together. I am very interested in becoming involved in MN NACNS as a student representative to be able to represent the CNS graduate students in the state of MN and to ensure they know the benefits of the MN NACNS to them as a student and as a future CNS.


The Minnesota Affiliate of the National Association of Clinical Nurse Specialists is a 501(c)6 non-profit organization. 

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