Admissions and Administration

Need Urgent Help? The Admissions Department can be reached weekdays from 9am to 5pm CT at 903.668.2173. Call after hours or on weekends and your message will be immediately forwarded to one of the Admissions Staff.

Mariah Blalock

Admissions Coordinator

Sachse, Texas was home for Mariah before she joined our staff to live in-house with the residents. She attended the University of Arkansas, where she graduated with a bachelor’s degree in education with emphasis in Therapeutic Recreation. While at the U of A, she was a member of the gymnastics team and eventually a coach. As the Admissions Coordinator, Mariah works directly with families in crisis and assists them in the admission and interview processes. In her previous roles at Heartlight, Mariah was a live-in House Director that transitioned into the Academic Director. She excels at helping families get an overall understanding of each program Heartlight has to offer. Mariah is married to the Residential Director, Ryan Blalock, and both are relationally immersed in the Heartlight community, both staff and residents.

Melissa Gregston Nelson

Director of Admissions

Melissa has a unique understanding of Heartlight, having grown up with parents who founded the program. Melissa has always been a part of Heartlight, and now plays a crucial role for incoming families and assisting them in the admission and interview process. Having graduated from Baylor University in Waco, Texas with a degree in Child and Family Studies, Melissa is equipped with the knowledge and skills necessary for working with families. Prior to joining the Heartlight staff in July of 2000, Melissa worked as an Early Intervention Specialist at Early Childhood Intervention in Longview, Texas. Melissa and her husband, Blake, Heartlight’s Chief Operating Officer, have two daughters, Maile and Macie.

Pam Mitchell

Director of Administration

Pam has worked with Heartlight for over 15 years as her ability to multi-task has made her an integral part of the community.  She oversees and assists in the areas of human resources, insurance, and all billing and payables.  Equipped with a gentle heart, a warm smile, and a servant’s heart, Pam insures Heartlight’s financial integrity and pursuit of fiscal excellence and accountability.  She has degree from Kilgore College and has always called East Texas her home.  She is married to Scott, who is the kindest and most successful high school coach any one would ever meet.  They have two daughters; one married and one in high school.

Rosemary Ludwig

Financial Secretary

A southerner at heart, Rosemary is from Vicksburg, Mississippi.  She attended both Mississippi State and East Texas Baptist University where she received an Associates Degree as a Certified Paralegal.  She’s worked at various law firms in the East Texas area since 1988, and now brings her cheerful and positive attitude to the Heartlight Conference Center.

Alison Hill


Alison is from Hallsville, Texas and has been the kind “Voice of Heartlight” as she has been Heartlight’s receptionist for 10 years.  Her husband Michael and her have two children and are active in working with their church’s youth group.  When she’s not answering the phone or helping with parent and family retreats, Alison enjoys working in her yard, walking, camping and shopping.  Alison has a servant’s heart and love for people make her a joy to be around and an easy person to talk to.