Leadership
Executive Leaders
Jill Wiedemann-West, MA
Chief Executive Officer
Jill Wiedemann-West is the Chief Executive Officer of People Incorporated Mental Health Services, Minnesota’s largest community-based provider of mental health care. Jill joined the organization in 2010 as its first Chief Operating Officer and was promoted to CEO in 2014. With a professional background spanning healthcare operations, management, and service development, Jill brings deep experience and strategic leadership to advancing accessible, community-centered mental health services.
Prior to joining People Incorporated, Jill served as Chief Operating Officer at the Hazelden Betty Ford Foundation. She holds a Master of Arts in Psychology and Human Behavior from National University in San Diego and a Bachelor of Arts in Sociology and Social Work from the University of Wisconsin–Madison.
Throughout her career, Jill has been a strong advocate for mental wellness and care in Minnesota and beyond. She has helped raise awareness and advance understanding of behavioral health issues through public speaking, media interviews, podcast appearances, and participation as a speaker and panelist at local and national events and conferences.
Kellan Tittle, MBA
Chief Financial Officer
As Chief Financial Officer, Kellan Tittle is focusing on strengthening the organizational cash position, generating financial reserves, and expanding the revenue base. He joined People Incorporated as a financial analyst in 2013, and for the past nine years, he has held various financial and cross-functional leadership roles. As CFO, he oversees all the organization’s financials, assets, and risk management. His professional background and experience include financial analysis, performance management, and business strategy. Kellan holds a Master of Business Administration in Corporate Finance/Risk Management, a Bachelor of Arts in Finance from the University of St. Thomas (St. Paul, MN) and completed the Harvard Business School executive education in Strategic CFO leadership.
Mike Turpin, JD
Chief Administrative Officer and General Counsel
Mike Turpin is the Chief Administrative Officer and General Counsel and joined People Incorporated in 2015. His background includes over ten years of legal experience in the health care and government fields, including serving as General Counsel for MNsure, where he served on the senior management team and managed all legal and compliance functions for the agency. He also served as Deputy General Counsel for the Minnesota Department of Human Services, providing advice and assistance to the department on various legal topics. Prior to his legal career, Turpin was a public school teacher working with children with learning differences. He earned his Bachelor of Arts from Carleton College and his Juris Doctor from the University of St. Thomas School of Law.
People Incorporated is thrilled to share that Mike was named by Twin Cities Business magazine as one of the 2022 Notable General Counsel.
Karen Kaplan, MS, SHRM-SCP
Chief Human Resources Officer
Karen Kaplan serves as the Chief Human Resources Officer for People Incorporated. In 2003, she transitioned from the for-profit sector to align her work with mission-driven values. Since joining People Incorporated in 2017, Karen has championed initiatives that advance equity and foster a culture of continuous learning across the organization. She is especially passionate about creating equitable access to workforce development programs, ensuring that every employee has the opportunity to grow and thrive—a commitment that sets People Incorporated apart in the field.
Karen leads her team with a framework grounded in respect, trust, and transparency. She is committed to building healthy, thriving teams that create meaningful development opportunities, strengthen our workforce, and enhance the health of our communities.
Karen earned her Bachelor of Arts in Business Management from Bethel University and a Master’s in Industrial/Organizational Psychology from Touro University. She also holds the Senior Certified Professional designation from the Society for Human Resource Management. In 2023, she was recognized as one of the Twin Cities’ Most Notable in Talent Acquisition and Development.
Clinic Leader
Beverly Lewis, MD
Medical Director
People Incorporated promoted physician and psychiatrist, Dr. Beverly R. Lewis, to the position of medical director in 2020. Dr. Lewis has more than 20 years specializing in addiction medicine and as a child, adolescent and adult psychiatrist in public and private practice.
As medical director, Dr. Lewis will oversee all integrated clinical practices, maintain and improve quality of care, and support innovation and growth strategies for outpatient and residential programs.
Prior to joining People Incorporated in 2012, Dr. Lewis served as an Addiction Medicine Specialist and Hospitalist at St. Joseph’s Hospital in St. Paul and St. John’s Hospital in Maplewood, Minnesota. She spent several years as a Consultation Psychiatrist for Rule 29 clinics; Thad Wilderson and Associates in St. Paul and African American Family Services in Minneapolis, and served as the Psychiatry Co-leader for Collaborative Office Rounds, Developmental Pediatrics and Child Psychiatry at the University of Minnesota Medical School.
Scholarly and research interests include:
- addiction, mental illness, trauma
- cancer, anorexia, diabetes
Professional affiliations:
- American Academy of Child and Adolescent Psychiatry
- American Psychiatric Association
- Minnesota Medical Association
- Minnesota Psychiatric Association
- Minnesota Women Psychiatrists
- Hennepin and Ramsey Counties Medical Societies
Dr. Lewis earned a Bachelor of Arts in Biochemistry from the University of California, Berkeley and her medical degree at the University of Minnesota Medical School. She has held several professional leadership roles throughout her career, including serving as a board member for Parent’s Coalition for Educational Rights (PACERS).
Dr. Lewis enjoys working with individuals of all ages – providing the opportunity to always learn and keep pace with advancements in psychiatry and neurology.






