All photography provided by our Medical Mission Volunteers

Our Team brings our Mission, Vision, and Goals to life.


Medical Director

Dr. Michael Manoles

Dr. Michael Manoles

Dr. Michael Manoles is Impact Health Vietnam's Medical Director. He practices Cardiology at the University of Minnesota Physicians Heart, based at Fairview Southdale Hospital, along with Fairview Ridges Hospital and Fairview Northland Hospital.

Dr. Manoles brings more than 25 years of experience in Cardiology and Internal Medicine to his work with Impact Health Vietnam. Dr. Manoles carries board certification in Internal Medicine, Cardiology, NASPE bradycardia and pacing, and Interventional Cardiology. Graduate from the University of Minnesota Medical School, completed an Internal Medicine residency at the University of Iowa, and a three year fellowship in Cardiology at the University of Minnesota.

Medical Missions are a passion of Dr. Manoles', having served on short term medical mission teams in Santo Domingo, Ecuador, Lima, Peru, and at Kien Giang Hospital with Impact Health Vietnam.  

Board of Directors

Yen Nguyen   President & Founder

Yen Nguyen

President & Founder

Yen Nguyen is president and founding Board Member of Impact Health Vietnam and a graduate of the University of Minnesota Clinical Laboratories Sciences program. 

Yen has a strong history of community building and volunteerism. Her career spans both public and private sectors, including Children's Home Society of Minnesota, Hennepin County Family and Children Services, 3M, and Diagnostics Inc.  

Yen has been involved with many humanitarian aid programs for Vietnam since 2004, from anti-human trafficking projects for VietACT to adoption program management for Children's Home Society. Other volunteerism includes work with CardioStart International and the Catalyst Foundation.  

Yen strives to further Impact Health Vietnam's mission by applying her strong organizational and leadership skills and pursuing her vision for a sustainable medical assistance to Vietnam. 

Thuy-Tien Truong   Director

Thuy-Tien Truong


Thuy-Tien Truong has more than two decades of experience working as a Cardiac nurse at Fairview Southdale Hospital in Edina, Minnesota. 

In addition to her work in the United States, Truong has led many medical missions to Vietnam over the past ten years, providing services including primary care, colorectal surgery, pacemaker implementation, cardiac intervention, and open-heart surgery. 

Truong is an active community volunteer, serving at St. Mary's Health Clinic, Vietnamese Community and her churches.

She is passionate about providing care, bringing health education and training to Vietnam, empowering nurses, and sharing her knowledge and expertise with others. 

Dr. Ellias Nick Manoles is a Board Member and Vice President of Impact Health Vietnam. He also served as the organization's Medical Director from September 2012 to September 2013.

Dr. Manoles' medical career spans more than 50 years that includes extensive work in the fields of Pathology and Nuclear Medicine. He served as the Chief Medical Director in the Pathology and Nuclear Medicine Departments at Methodist Hospital, Surgical Pathology Staff at the Mayo Clinic, and Chief of Pathology and Director of Laboratory Services at the Fort Dix US Army Hospital. Dr. Maonles' also has served as a faculty member at the University of Minnesota Pathology Department for more than 35 years. 

Since retirement, Dr. Manoles' has become an active volunteer, participating in over 20 medical mission projects globally.

Paula McNabb   Director

Paula McNabb


Paula McNabb brings a range of skills and talents to the Impact Health Vietnam team including 24 years of nursing practice in all areas of maternal and newborn services, 9 years in project management in clinical information systems implementation and more than 5 years in community health and medical mission program development at Fairview Health Services. 

McNabb holds a BS in Nursing Cum Laude from St. Olaf College, a Master of Arts in Organizational Leadership Certificate from the College of St. Catherine, and a Master of Arts in Nursing from Augsburg College.

Sheryl Juhl   Secretary

Sheryl Juhl


Mary Anne Manoles   Treasurer

Mary Anne Manoles


Impact Health Vietnam Board Member and Secretary Sheryl Juhl has nearly 30 years of experience providing exceptional care to patients in Minnesota through working as a nurse at the University of Minnesota Medical Center and Fairview Southdale Hospital's Heart Center.

She enjoys giving back to her community, and spent 6 years providing care as a Parish Nurse to members of St. Peder's Lutheran Church in Minneapolis. Juhl experienced loss of her family at a young age, and that tragedy inspired her to improve the lives of others. She traveled to Vietnam in the fall of 2013 for her first Impact Health Vietnam mission trip, where she taught nursing skills to local medical professionals. 

Mary Anne Manoles, Esq has been a licensed attorney in the state of Minnesota for more than 30 years, and for the past ten years of her legal career, she has worked at Thomson Reuters, a global leader in legal publishing. Mary Anne has been an active volunteer in her church and community, pro bono clinics, and has served on several medical mission trips to Kijabe, Kenya with her father, Dr. Manoles.

She holds a BA from the University of Minnesota, and a Juris Doctorate from Hamline University School of Law.