Office Hours: Monday to Saturday from 8am to 5pm

Leadership Team

Mark Peterson

Chief Executive Officer

Mark is Chief Executive Officer at Nystrom & Associates, leading the organization as it grows both regionally and nationally. He is known as a visionary leader who understands the importance of a mission-driven culture and a relentless focus on providing exceptional patient service and quality of care.

Mark’s professional experience includes over 30 years in the health care industry, with the past 20 in behavioral health as a founding partner in Genoa Healthcare. He retired as the CEO of Genoa in 2020, and has served as Nystrom’s Chairman of the Board since then.

Genoa partners with mental health and substance use providers across the country to provide behavioral health pharmacy and telepschiatry services. Nystrom and Genoa have had a long-standing relationship to provide care for the people they mutually serve.

Anh Kremer

Chief Strategy and Development Officer

Anh is a seasoned healthcare executive with experience leading multi-site field and corporate operations. Prior to joining Nystrom, Anh served in a number of executive roles (Chief Administrative Officer, Chief Strategy Officer, Chief Legal Officer and interim Chief Operating Officer) with the largest privately owned imaging services provider in the U.S.

Anh is responsible for oversight of Nystrom’s overall clinic operations and corporate functions (Human Resources, Payer Contracting, Legal & Regulatory Compliance).

Anh is a graduate of the University of Minnesota – Twin Cities and Mitchell Hamline School of Law.

Jean Ysbrand

Chief Human Resources Officer

Jean joined the Nystrom leadership team in May 2022 after almost 15 years with DaVita Kidney Care, where she led the Human Resources function for the Upper Midwest. Most of her career has been in multi-unit business including healthcare and retail. Jean has experience strengthening organizational culture and capabilities to support business growth.

In her role, Jean is responsible for all areas of Human Resources including Shared Services (Payroll, Benefits, Employee Communications, Recognition), Talent Acquisition, Generalist Services, and Talent Development. Jean has a Bachelor’s degree from St. Cloud State University and holds a Sr HR Professional (SPHR) Certification.

In her free time, Jean likes to spend time with her husband Mike, camping, boating, supporting college hockey, and traveling to new places.

Michael Brunner

Chief Clinical Officer

Michael is a Board-Certified psychologist licensed in Minnesota and Wisconsin who has served as a provider of services and in leadership roles in Behavioral Health throughout his career. He has developed and led programs for children, adolescents, families, and adults addressing mental health and substance use issues in rural, urban, and suburban settings. He joined the Nystrom and Associates team in October 2022.

As Chief Clinical Officer at Nystrom, Michael is responsible for guiding the approach to treatment, training, and impact of services on patients. He is also responsible for clinical strategy – determining and directing the types of services offered. He earned his undergraduate and master’s degree from Bucknell University in Pennsylvania and his doctorate in counseling psychology from the University of Wisconsin – Madison.