Mainstream Living

Executives and Department Leaders

Bill Vaughn, President/CEO

Bill Vaughn was appointed President and CEO of Mainstream Living in 2013. He began his career with the organization in 1980 as a direct care staff member, serving in a variety of roles, including 1st Vice President. He is the founder and served as Executive Director of Community Support Advocates, LLC (CSA), a subsidiary of Mainstream Living until it was sold in 2014. Under his direction, CSA was recognized for outstanding services and received the highest annual independent reviews awarded from the University of Iowa Law, Health Policy & Disability Center for eleven straight years. CSA was also awarded the prestigious “Excellence Award for Program Innovation and Quality” from the Iowa Association of Community Providers. Vaughn holds a Master’s degree in social work administration from the University of Iowa, and a Bachelor’s degree in psychology from Iowa State University. He is a Licensed Independent Social Worker, and provides direction and oversight for the agency's mental health services. Vaughn served as an Administrative Surveyor for the Commission on Accreditation of Rehabilitation Facilities (CARF) for fifteen years.  CARF is an independent, nonprofit accreditor of health and human services.  Vaughn lead accreditation teams in reviewing similar organizations throughout the United States and Canada, to improve the quality of service and business practices for the industry. He is proud to have outstanding long-term relationships with members and their families and a proven record of developing extraordinary teams.

Jon Zellweger, Chief Operating Officer

In his role as Chief Operating Officer, Jon Zellweger oversees many of the agencies support services including, office and property management, maintenance, human resources, payroll, employee benefits and agency insurance. Prior to joining Mainstream Living in 1987, he worked in public accounting and retail. His long history with the organization, combined with his commitment to helping members and employees receive the supports necessary, has resulted in a high level of services and accountability for our support services departments. His quiet leadership style has led to a stable financial capacity, strong human resources, and a legacy of gains in the lives of people we serve. Outside of work, Zellweger is actively involved in Ogden, where he lives with his wife Joni. He is a past school board member, has served on the boards of several other non-profit organizations, and is active in his church's leadership. He is a past recipient of the Iowa Governor's Volunteer Service Award. Zellweger holds a Bachelor's of Arts in Accounting from University of Iowa. He enjoys spending time with his family and woodworking.

Stuart Ambrose, Chief Financial Officer

Stuart Ambrose joined Mainstream Living in 2008 and served as the Director of Finance. In 2016, Ambrose was promoted to the Chief Financial Officer at Mainstream Living. Ambrose is responsible for the oversight of all general accounting areas, budgeting, annual audit oversight, and representative payee services. Ambrose received his Bachelor's Degree from the University of Northern Iowa and his Masters in Accounting from Iowa State University.  Stuart lives in Nevada and is a proud dad to Tucker.  

Kris Eastman, Vice President of Waiver Services

Kris Eastman has worked for Mainstream Living for 33 years and was appointed Vice-President of Waiver Services in 2013. In this role, Eastman has oversight and supervision of all residential and day services programs in the organization serving persons with intellectual disabilities and brain injuries. This includes community integration, housing, and supported community living programs. She is committed to excellence in service provision and the development of creative, innovative and responsive services, while setting a strong example to her department through emphasis of our mission and values. Eastman is a graduate of Iowa State University and holds a Bachelor's of Science in Social Work. She began her career at Mainstream Living in 1986 and has served in many positions including direct care staff, House Manager, and Program Coordinator before taking over her current role. Eastman is an Ames resident and in her free time, she enjoys spending time with family and friends, riding her bike, and quilting.

Lu Wingfield, Vice President of Mental Health

LuAnn Wingfield is the Vice President of Mental Health Services, overseeing all mental health program offered bMainstream Living. Wingfield has worked for the organization since 1988 when she began her career in direct care while attending Iowa State University. Since that time, she has held nine positions with the company, including Case Management Supervisor and Program Administrator for a 40-bed Residential Care Facility that Mainstream previously operated in Des Moines. Wingfield works conscientiously to develop the leadership capacity of our direct care and mid-level staff, while inspiring others to provide the very best services possible. She is committed to involving families, guardians, and members in enhancing their understanding of mental health needs and engaging them in a comprehensive manner towards recovery-focused goals. Working to ensure mental health programs meet the needs of the community, she emphasizes our mission, while leading Positive Behavior Supports (PBS) efforts throughout the organization. Wingfield holds a Bachelor's of Social Work from Iowa State University. She lives in Urbandale with her husband and they have an adult son, Boyse. Outside of work, she enjoys going to the gym, home decorating, and painting.

Amber Corrieri, Director of Corporate Compliance & Communications

Amber Corrieri joined the organization in 2011 and leads internal and external communication strategies, including publications, media relations, and community outreach. She also oversees development activities and works with program staff to advance the mission of Mainstream Living. Prior to her role with Mainstream Living, Corrieri held a variety of positions in the financial industry, including Assistant Vice President for VisionBank. Corrieri is a serving her second term as a member of the Ames City Council and has extensive experience leading and assisting local non-profit organizations. She currently serves as chair of the Story County Housing Trust Fund, is President of the Iowa Alliance for Boys and Girls Clubs, and is a member of the Ames Education Foundation Board of Directors. She has previously served terms on the City of Ames Human Relations Commission, Story County ASSET, and Ames Convention and Visitors Bureau Board of Directors. She is the recipient of the 2011 '4 Under 40 - Leaders of Today and Tomorrow' award from the Ames Chamber of Commerce and the 2014 'Outstanding Young Iowan' award from the Iowa Jaycees. Corrieri lives in Ames with her husband Damien and their two children.

Marcanne Lynch, Human Resources Director

Marcanne joined Mainstream Living in the fall of 1986 as a direct support professional.  She completed her Bachelor of Arts degree at Drake University in 1987 and spent the next 15 years of her tenure working in many positions in residential services.  She worked as a Program Coordinator in the Mental Health program for two years before returning to work with individuals with intellectual disabilities.  She opened and managed the first of many five person homes in Polk County. After serving as the  Director of the Des Moines residential services; Home and Community Based Program for 10 years, she switched career paths to Human Resources.  Initially focused on Des Moines recruiting, her duties expanded to company wide efforts with recruiting, retention, and employee relations.  Her passion lies in promoting the mission and building a positive culture for Mainstream Living. Marcanne was appointed Director of Human Resources on July 1, 2019. She serves on the Central Iowa Workforce Development Board for Region 11  Marcanne is a resident of Des Moines and enjoys flower gardening, crafting with friends and spending time with her five children and extended family. 

Amber Schaefer, Program Director - The Center

Amber Schaefer has worked for Mainstream Living for nine years. She started in direct care and worked as a Team Leader in the HCBS residential program until 2011, when she became the Program Director of The Center (formerly known as the Mainstream Employment and Learning Center). Under her leadership, programming at The Center has expanded to include a new focus on the Sensory Program and the addition of ACE, a new program designed for members working towards greater independence. Schaefer also serves on the Board of Directors for Creative Counseling Services in Ames. She received her Bachelor of Science in Child, Adult and Family Services from Iowa State University. Outside of work, Amber enjoys spending time with her  family, gardening, painting, playing piano and playing the ukulele with her bandmates, Britches and Hose Ukulele Club. She is honored to be part of a team that has such genuine care for the members served. "I feel that we are all so privileged to have the opportunity to be a part of so many wonderful peoples’ lives. I can’t imagine spending my days anywhere else."

© 2019 Mainstream Living, Inc.