Samuel Mwangi

BS, CADC, ICADC, CCPG, Executive Director

Samuel received a 2-year certificate from Youth Challenge International in Human Services, and a Bachelor of Science from Lancaster Bible College. He is a certified addiction counselor and has worked in the field of addictions since 2006. He has served as a counselor and also in a supervisory role as a lead counselor throughout the years. He has a great desire to see healthy communities, and he participates in community training and speaking engagements on addictions and family.

Gladys Kanyiha

MA, Counselor

Gladys graduated with a Master’s Degree from Lancaster Bible College. She has worked in mental health with multiple agencies over the years in Lancaster County. She deeply cares for people, especially children. She brings experience from serving in mental health and behavioral health.

Daniel Riley

BA,CADC, Counselor

Daniel Riley has a Bachelor of Science degree in general studies with a minor in psychology. Daniel has worked in the addiction field since 1991. Most of his time has been with the Department of Veteran Affairs Medical Center. Daniel joined CCARS in 2019 as a group counselor. Daniel enjoys spending time with his wife, family, and his dogs and cats. He also loves growing in his faith by listening to Christian Radio, studying the word, and cultivating a closer walk with his Lord and Savior Jesus Christ.

Rosemary Mbugua

MA, Counselor

Rosemary did her Internship with Community Care & Addiction Recovery Services. She received her Bachelor of Science in Psychology and a Master’s of science in counseling from Grand Canyon University. She has served our surrounding communities with a great desire to see people live in freedom.

Katlyn Leid

MSW, Counselor

Kaitlyn completed her Bachelor of Social Work at Millersville University. She received her Master’s in social work from Florida State University with a Clinical focus. She has worked in various community organizations as well as in mental health counseling.

Lanny Millette

M.Ed.; Ed.S, Counselor

Lanny received his Bachelors of counseling from EMU. He then received his MED in counseling from George Mason,  and a second Masters from James Madison University in ED.S Counseling Psychology. He has worked as the director of a local faith-based recovery and discipleship ministry for many years. 

David Byler


Dr. Byler, a board certified family physician, serves as the Medical Director of Community Care & Addiction Recovery Services. He has strong interest in working with people and deeply cares for the community. He understands the needs of those seeking help to overcome addictions. In practice since 1986, he offers a great wealth of knowledge and experience in health.

Rachel Koch

Office Manager

Rachel Koch joined CCARS in July of 2023 as the Office Manager. Her background is in Geriatric Social Work, but she has always had a heart for those who struggle with addiction and finally decided to make a career switch. Rachel has a passion for reaching others with Christ’s love and seeing people fulfill their God given purpose. In her spare time, Rachel spends a lot of time camping with her husband and two chihuahuas, reading, and attending the Pennsylvania Renaisance Faire.