Leadership Team


Celeste Ewert,
Executive Director

Celeste Ewert is the Executive Director for Envision, the Community Centered Board serving Weld County. She has been with Envision since 1992 in a variety of roles and has been the Executive Director since 2017. Celeste has an Associate of Arts Degree in Paraprofessional Counseling from Aims Community College, and a Bachelor of Arts Degree in Psychology with a minor in Community Health and Human Rehabilitation from University of Northern Colorado (Go Bears!). She is a graduate of the University of Delaware Leadership Institute, as well as the Weld County Leadership class of 2013. Celeste has been an active member of the Intellectual and Developmental Disabilities State Association, Alliance, participating on many committees including Government Relations, Annual Summit Committee, Family Support Services Program Workgroup, Person-Centered Thinking Committee, and Executive Committee. On a personal note, she was born and raised in Weld County. She is married to Jonathan and they have a daughter and three sons all in their early twenties. When she’s not working, Celeste enjoys gardening, hiking, reading, volunteering/serving and participating in church activities.

RuthMary Lyons,
Finance and Administration Director


RuthMary has been with Envision since June of 2015. Prior to coming to Envision she has held various roles in finance spending 16 years with Factual Data in Loveland. RuthMary graduated with an AA degree in Accounting Aims and a BS degree in Finance and Economics from Regis University. She active in her church and Kairos Prison Ministry. When not volunteering she spends time with friends and her rescued pups.

Linda Medina,
Case Management, Compliance & Monitoring Director

Linda has worked for and with individuals with developmental disabilities for over 25 years in Colorado. After 19 years in case management, 16 of which have been at Envision with the past 15 in the position as Case Management Director, Linda is currently serving Envision as the Compliance & Monitoring Coordinator. Linda has a bachelor’s degree in Psychology from Cornell College. In an attempt to travel and to experience as much of the world as possible in her youth, Linda had lived and worked in Minnesota, North Dakota, Iowa, Wisconsin, South Dakota, New York, and other parts of Colorado. Her experience includes positions in tourism, retail, pharmacy assistant, childcare, youth in crisis, and painting, in addition to developmental disabilities. She is now mostly happily grounded with her husband, 3 grown stepchildren, 7 brilliant and beautiful grandchildren, and currently 1 dog and 3 cats.

Jenny Acevedo - Early Intervention Director

Jenny Acevedo,
Early Intervention Director

Jenny joined Envision’s Early Intervention program in August 2011 as an Administrative Assistant. For the last six years, she has enjoyed learning the many facets of the organization through a variety of different roles. In August 2016, Jenny became the Director for Children’s Case Management, which evolved into the Early Intervention Director position, where she is driven to help young children and their families navigate community resources to supporting their needs. Also, Jenny is proud to be part of an organization that supports the community that she grew up in. She loves to spend free time with her family, watching her kids sporting events, and trips to the mountains.

Shawn Croissant,
Program Services Director

Shawn has over 32 years of experience working with people with Intellectual and Developmental Disabilities. He joined Envision in 1990 as a Direct care Professional, and has worked as a Day Program Mentor, Residential Manager, Residential Coordinator, and Day Program/ Supported Employment / SLS Coordinator. He is currently serving as the Program Services Director. Shawn loves working at Envision and feels a close connection with many of the people supported. He is an avid marathon runner, and he enjoys spending time with his beautiful wife, Beckie, and their two lovely daughters Logan and Madison.

Kim Sager,
Human Resources Director

Kim has taught, coached and supported children and teens with intellectual and developmental disabilities and learned an abundance from them! Her passion is to be the bridge in helping employees, leadership and people reach their goals and get to where they want to be in work and in life. She enjoys being a part of the collaborative team at Envision and helping to facilitate positive change for employees and to help create a healthy organizational culture. Kim has over nine years of professional experience in Human Resources, most recently within the healthcare industry. She received her bachelor’s degree in Psychology from the University of Michigan and her master’s degree in Human Resources and Organizational Development from Eastern Michigan University. She also holds a Professional in Human Resources certification. Kim loves exploring new places with her family, hiking, jogging, and having coffee with friends.

Karen Wainscott,
Fund Development & Communications Director

Karen has been working in the nonprofit sector for over ten years after beginning her career in large-scale concert promotion. She is originally from Richmond, Virginia, and has lived in Colorado for the past eight years. She completed her B.A. in Political Science and International Studies at Virginia Commonwealth University, where she went on to complete a Post-Baccalaureate Certificate in Nonprofit Management as well. Karen has worked for various nonprofits of different industries, including establishing a nonprofit organization to create a STEM/history museum for the Department of the Navy at Dahlgren, Virginia, and serving as the Development Director at Reflections for Youth in Loveland, CO. She is married to her wonderful husband, Josh, and has two stepchildren, Rebekah (13) and Paul (10). The family enjoys disc golf, hiking, kayaking, camping, and reading together. Karen also enjoys gardening, yoga, raising chickens, and volunteering at the Humane Society of Weld County.

Board of Directors

Patrick Roseler


Meghan Phillips

Vice President

LuJean Ott


Tyler Richardson

At-Large Member

Erica Herman

Past President

Now accepting applications for new board members!

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