Steven Foster, Owner
Steven is a graduate of Texas A&M University. He has served in many roles throughout his life, including as a high school counselor, owning and/or operating ranching and construction businesses, counseling management, and more. In 2011, he began working as Program Director for a counseling agency in Oklahoma. In 2012, he and his daughter, Amy Foster, opened Cornerstone Counseling Service.
On May 18, 2026, Steven Foster left this earth to be with his Heavenly Father. He will be greatly missed by all who loved him.
Amy Foster, M.Ed., Chief Executive Officer, Drug Testing Director
Amy is a graduate of Paris Junior College and Texas A&M University-Commerce. She graduated in August of 2023 with her master's in Clinical Mental Health Counseling from Lamar University. She served as a teacher in Texas and Oklahoma for many years. In 2009, while teaching in Oklahoma, she began working as a Behavioral Health Rehabilitation Specialist for a local counseling agency. In 2010, she left her teaching career and began working for them as Program Director of after-school programs. In 2012, she and her father, Steven Foster, opened Cornerstone Counseling Service, where she has served as Chief Operations Officer, New Programs Consultant, Drug Testing Director, and as a Behavioral Health Case Manager. Amy is also certified in DOT and non-DOT Drug and Alcohol Testing, a DOT Qualified Specimen Collector Trainer, and a Breath Alcohol Technician Instructor. Amy now serves as CEO after her father's passing.
Melissa Eldon, Site Director-Paris, Simple Practice EHR Trainer
Melissa is the Administrative Assistant in the Paris, Texas office. Melissa is a 2009 graduate of Texas A&M University-Commerce with her Bachelor of Communication degree. Specializing in speech communications and public relations. As well as a secondary education degree. She has worked in the medical field since 2006 as an office manager and medical records clerk. She and her husband have one fur-baby named Abagail Elizabeth. When not working, Melissa enjoys cooking/baking, spending time with family and friends, and traveling. The furthest she has traveled is London, England. She is excited to be working at Cornerstone Counseling.
Cara Fuller, Payroll, CMII
Cara is a Behavioral Health Case Manager II with a Bachelor’s degree in General Psychology, a Master’s degree in General Psychology, and a graduate certificate in School Counseling. Cara is a licensed school counselor and is currently enrolled in clinical counseling at Southeastern Oklahoma State while working toward certification as a licensed professional counselor. Cara has several years of experience in case management, including overseeing the case management program for a 120-bed domestic violence crisis shelter. Cara also has several years of teaching experience, working with students as young as preschool all the way up to teaching adult education at a state prison. Cara is certified in trauma-informed care. Cara sees clients of all ages and backgrounds in the Hugo and Idabel areas.