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. 


President Elect

Mary Gerchman-Smith, MA, APRN, CCNS

Mary is a Critical Care CNS with over 30 years of nursing experience at Essentia Health.  She currently covers the Neurotrauma Burn, Medical, Cardiovascular ICUs and the Infusion Therapy Team.  Her focus is early mobility, trauma, burn care, delirium prevention, ECMO, suicide prevention, organ donation and HAIs.  Mary successfully co-led several multi-disciplinary teams to implement a system-wide suicide screening tool, a behavioral emergency response team, development and implementation of an ECMO program.  Her current project is the development of proning guidelines and a creation of a proning team.  In addition, Mary leads the critical care nursing council, co-leads the system CLABSI and CDI prevention committees.  She is the ECMO nursing coordinator and one of the ALTS coordinators at Essentia Health.  Mary is currently active in the following associations: National Association of Clinical Nurse Specialists, Minnesota Affiliate of the National Association of Clinical Nurse Specialists, American Association of Critical Care Nurses, Member of 2019 and 2020 MN NACNS Fall Conference Planning Committee.  She has also authored and presented several topics at local and national conferences.




Linda Vogel, APRN, CNS

Linda Vogel is a CNS at Essentia Health – St. Mary’s Medical Center in Duluth, MN.  She earned her BA degree at the College of St. Scholastica in 1992 and Master’s degree with a Clinical Nurse Specialist focus in 2001 and is certified by the American Association of Critical Care Nurses in Adult Critical Care Nursing.  Linda currently is the Trauma Program Manager for Essentia Health’s Level I adult trauma in addition to the oversight of the Level II pediatric trauma program.  Her background includes post coronary care, critical care, and trauma.  She has worked in the direct care role for patients with trauma, acute care surgery, burn, and surgical critical care needs.  She was instrumental in the development and implementation of Minnesota’s state trauma system since its inception in 2005 and has served on Minnesota’s state trauma advisory council, a position appointed by the Commissioner of Health.  Linda is involved in the MN NACNS planning committee for the second year. She is interested in continuing to develop relationships across the state by bringing individuals together to strengthen the work of the Clinical Nurse Specialist.



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


 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.


Student Representative


Shari Frueh, BSN, RN

Shari Frueh has been a registered nurse for 30 years, working in various direct care and nursing leadership roles. She is currently working as a clinical resource nurse at Mayo Clinic, Rochester, supporting the GI Endoscopy units.  She is presently enrolled at Winona State University in the Adult-Gerontology CNS master’s program, with an anticipated graduation date of May 2022.  She is eager to complete her CNS degree and welcomes the opportunity to represent the CNS student membership of the MN NACNS organization. Her previous leadership experiences include working as a nurse manager, telemedicine program director, patient education specialist, Magnet champion, and coordinating council chair. Her clinical experience includes adult and pediatric ambulatory care team nurse, asthma care coordination, complex condition care coordination, adult critical care, GYN surgery, post-anesthesia care, and same-day surgery.


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

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