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Community Leadership

Each member of our team has been carefully selected. We first seek out individuals that embrace our core values: professionalism, integrity, commitment and compassion. Additionally, empathy, great communication and willingness to go the extra mile are key attributes for anyone tasked with serving the residents of one of our communities. 

Tessa Johnson

Executive Director

Tessa Johnson, MSN, BSN, RN serves as Executive Director of both CountryHouse and Evergreen in Dickinson, ND. Evergreen provides Basic Care and Assisted Living services while CountryHouse focuses on Memory Care.

Tessa first joined the Agemark family when she was a teenager, and worked at Evergreen as a housekeeping and dietary aid. She rejoined the Agemark family in 2018, first as CountryHouse’s Wellness Director, before being promoted to Executive Director a few months later. In 2022, she was named Executive Director of both CountryHouse and Evergreen Senior Living and Basic Care. Evergreen provides assisted living and basic care.

Tessa is a certified dementia care practitioner (CDP) and has extensive experience in nursing, long term care, hospice care and health care management. She also spent five years as Medical Services Director at the ND Women’s Prison.

Tessa attended Dickinson State University, where she first earned an Associate in Applied Science in Practical Nursing degree. She later earned a Bachelor of Science in Nursing and became a Registered Nurse. She earned a Master’s Degree in Nursing with an emphasis in Leadership in Healthcare in 2014. She serves as President of the North Dakota Nurses Association and of the North Dakota Center for Nursing, and is an active member of the local Eagles Club Auxiliary.

Born and raised in Dickinson, Tessa and her husband stay busy raising their two children, Jaxson and Bentlee. Both children love to volunteer at CountryHouse and Evergreen. Together, the family enjoys spending time at the lake, fishing, and traveling.

“I believe we only have one life to live, so it’s important to do your work with passion every day. I’m committed to treating all of our residents like they’re family, and to creating moments of joy for them every day.”



Anna Aaseth

Director of Nursing

Somar Austin

HR & Administrative Assistant

Brandon Locker

Building and Ground Manager

Career Opportunities

Interested in a career in senior living? We’re often looking to add talented members of our team. At Evergreen, we choose employees who emulate the values that we hold as a company: Compassion, Commitment, Professionalism and Integrity. If this describes you, apply for an opportunity today.