Management Team & Organization

Senior management team

michelle-barnes.jpgMichelle Barnes is the executive director of the Colorado Department of Human Services, whose mission is to collaboratively design and deliver high-quality human and health services that improve the safety, independence, and well-being of the people of Colorado. Coming most recently from the nonprofit sector, Barnes has held leadership positions in a variety of organizations in different sectors. In 2008, she founded Interim Leadership Solutions to lead organizations in transition by serving as the interim CEO, including Food Bank of the Rockies, Senior Housing Options and Tourette Association. Other roles were in youth development, domestic violence, environmental sustainability, getting youth active in the outdoors, and early childhood education. She currently volunteers as a court-appointed special advocate. Barnes also spent a dozen years in high-tech marketing/communications and holds an M.B.A. from UCLA and an B.A. from William and Mary.

Anne-Marie BragaAnne-Marie Braga is the deputy executive director of community partnerships. Braga is responsible for operational oversight of the external entities and agencies with whom the department contracts and partners. She provides supervision for the Office of Children, Youth and Families; Office of Economic Security; Office of Early Childhood; Aging and Adult Services Division; Office of Behavioral Health Community Programs; County Services; and Client Services/Controlled Correspondence. Braga has 25 years of experience in the health and human services field. She previously worked for the Colorado Department of Public Health and Environment, where she led efforts to improve the health and well-being of Coloradans.


Ron VestmanRon Vestman is the chief financial officer. Vestman is responsible for the Colorado Department of Human Services' $2.2 billion budget. He oversees the Division of Budget and Policy and the Division of Financial Services. A Colorado native, Vestman earned a degree in finance from the University of Wyoming before spending 30 years in the military, retiring as an Air Force colonel, and earning an MBA with an emphasis in strategic leadership. In addition to his military career, he has experience in nonprofit, federal, and state sectors, including serving as the CFO and head of logistics for the California Military Department. Most recently, he was the CFO of Bayaud Enterprises in Denver, a nonprofit organization helping the homeless and those with other hurdles to achieve success through employment.


jeremy-hill.jpgJeremy Hill is the deputy executive director of Administrative Solutions. Administrative Solutions is responsible for the management of the administrative functions of CDHS and is comprised of Human Resources, Facilities Management, Performance and Strategic Outcomes, Business Technology, Emergency Management, Legal and Communication. Hill has been with CDHS for five years and started as the Director of the Contracts and Procurement Unit. Previously, Hill represented CDHS as an Assistant Attorney General.



robert-werthwein.jpgDr. Robert Werthwein is the director of the Office of Behavioral Health.  He directs the operations and administrative oversight of the public behavioral health system including programs consisting of mental health and substance use community programs, as well as operation of the Colorado Mental Health Institutes at Fort Logan and Pueblo. The OBH Director also leads in providing policy, performance management, fiscal and administrative tools, and oversight to a large group of mental health facilities, treatment centers and clinics statewide. Dr. Werthwein earned his doctorate in Clinical Psychology from Howard University. His training focused on the treatment of under-served populations and research of improved care delivery systems.


katie-mcloughlin.jpgKatie McLoughlin is the chief legal director. She is responsible for overseeing the legal functionings of the department and partnering with the Attorney General’s office on legal strategy. In this role, McLoughlin oversees disputes between employees and the State Personnel Board, the Department’s HIPAA compliance program, and the Office of Appeals. She also advises on legislation. McLoughlin was previously Gov. John Hickenlooper’s Deputy Legal Counsel from 2015-18. Before joining the Governor’s office, she was a litigation associate with Cooley, LLP in Boston and a Judicial Clerk for the Honorable William G. Young of the United States District Court in Massachusetts.


maryanne-snyder.jpgMary Anne Snyder is the director of the Office of Early Childhood. Since 2012, she’s overseen in her role the administration of child-care licensing and subsidy programs, quality initiatives, early intervention, child maltreatment prevention, home visitation, mental health programs, and Head Start. The Office provides effective and efficient service delivery for families of young children, striving to improve kindergarten readiness, increase early literacy, prevent child abuse and neglect, and treat early‐identified developmental. Previously, Snyder was the executive director of the Wisconsin Children’s Trust Fund, served as the founding President of the Celebrate Children Foundation, and was a member of the Wisconsin Governor’s Advisory Council on Early Care and Education.

Yolanda WebbYolanda Webb is the director of the Office of Community Access and Independence, which assists veterans, the elderly and individuals with disabilities. OCAI is comprised of four divisions: Aging and Adult Services, Veterans Community Living Centers, Regional Centers, and Disability Determination Services. The OCAI Director takes the lead in providing policy, performance management, fiscal and administrative tools, and instruction to 64 county social services departments, five state veterans’ homes and three Regional Centers. Webb, who came to CDHS in July 2019, has more than 25 years of experience working with adults with disabilities, the adult and aging population, and services to veterans and their caregivers. Most recently, she served as vice president of home and community services at Meritan, Inc., a nonprofit serving Tennessee, Mississippi, Georgia and Arkansas.

minna-castillocohen.jpgMinna Castillo Cohen is the director of the Office of Children, Youth and Families, holding the position since November 2017Castillo Cohen is responsible for directing the operations of programs and facilities that improve the safety, independence and well-being of Colorado’s children, youth and families. She oversees OCYF’s three divisions — Child Welfare, Youth Services and the Domestic Violence Program — as well as the Colorado Juvenile Parole Board, the Colorado Sexual Health Initiative (CoShi) and the Medical Oversight Unit. She has served for 20 years in the nonprofit sector, with all of her work focused on serving children, youth and families. Castillo Cohen’s experience includes serving immigrant and refugee youth through prevention projects focused on substance use prevention, bicultural competence, identity development and mentoring; providing fiscal management and oversight of the quality improvement initiatives for early education classrooms across Denver; and building and maintaining relationships with community partners across sectors to understand and address current community needs, trends and gaps in resources.   

Ki'i PowellKi'i Powell,  Ph.D., is the director of the Office of Economic Security. Powell directs the operations of programs that provide income, nutritional and support services to those in need, including child support services; Colorado Works (Colorado’s Temporary Assistance for Needy Families program); food and nutrition services (including Colorado’s Supplemental Nutrition Assistance Program); and refugee services. Powell has worked with CDHS since 2010. Her previous roles were research and evaluation manager and Performance Management Director in the Division of Child Welfare, where she built and managed the CDHS performance management approach known as C-Stat. Prior to joining CDHS, Powell held research and evaluation roles with the Colorado Division of Mental Health Data and Evaluation and the Hawaii Department of Health’s Child and Adolescent Mental Health Division. 



Organizational Chart

CDHS org chart