Our Board

Amanda Nix Cramp

President

Born and raised in McKinney, Amanda always had a love of teaching. In high school, she took every volunteer opportunity to assist in special education life skills classrooms. After graduating from Texas Woman’s University with a Bachelors Degree in Early Childhood Education and a minor in Child Development, Amanda worked as an in-home life skills trainer for various families and provider agencies. She has taught general education, kindergarten, and second grade with McKinney ISD. Amanda is also an active member at Christ Fellowship Church, allowing her to utilize her other passions - helping others and giving back.

After giving birth to her son who had severe health complications and cognitive delays, Amanda also adopted her special needs brother after the loss of her mother. It was at this point she was having difficulty finding a local program that provided opportunities for her brother to thrive independently, so she and Lindsay Langton began to dream of a program that would directly serve the needs of special populations community with hands-on enrichment experiences.

Amanda believes in many of the Montessori educational theories, and that we can learn so much through nature and self-teaching. She believes that if we work hard to make each day a step forward in our learning journey, we can achieve success.

Lindsay Langton

Treasurer

Lindsay and her husband, Scott, live in McKinney with their two children. They adopted their son, Peter, while living in Japan. Later they found that Peter was autistic, and so began their journey into the world of special needs services and education.

 

Peter loves the outdoors and is quite active, so Lindsay was looking for an adult day program that would address Peter's needs and desires while giving him the opportunity to contribute and grow. It was from there that Lindsay and Amanda created the idea for Open Horizons.

Lindsay’s background is in business, environmental science, and teaching. Her MBA and 10 years of experience with a Fortune 500 company give her a solid background in the business world. She has served on a number of non-profit boards in the past as well.

 

Although Lindsay does not have a formal teaching degree, she has taught dozens of small classes of homeschooled students, some of whom have had special needs. She is excited to take on this opportunity to share her love of music with the students.

Tom Garzillo

Community Specialist

Tom and his wife, Terri, have an Autistic son (Christian) who is 25 years old. Christian has been enrolled at Open Horizons since its beginning. Tom and Terri have been part of the Special Needs community as McKinney residents since 1989 and throughout Christian’s MISD educational years.

 

In addition to Tom and Terri’s extensive time as volunteers in the Special Needs community, Tom brings to the Board of Open Horizons his experience on the Arthritis Foundation Southwest Regional Board for Texas, New Mexico, and Oklahoma. Since fundraising is a critical element in the operation and continuation of any non-profit organization, Tom looks forward to educating the residents of Collin County and beyond on how Open Horizons fills a unique need critical to the families faced with the challenges of caring for a Special Needs adult. 

Diane Dunsmuir

Activity Specialist

Diane has been in the recreation field for 10 years. She has experience working with varying ability levels as an Assistant Teacher for the Boys & Girls Club, a Direct Care Therapist providing ABA therapy for youth, a Memory Care Coordinator, and a nursing home Activity Director.

Diane graduated Summa Cum Laude and has additional coursework in teaching, business, and therapeutic recreation. She's completed various certificate courses, including Supervisory I & II, Cognitive Stimulation, and Modular Education Program for Activity Professionals.

 

Her volunteerism background includes serving on a Christian education board as chairperson, teaching Sunday School, and working at nursing homes. She's on the social committee for her HOA and is an active member of the Anna Pay it Forward group.

Stephanie Tremblay

Stephanie grew up in Georgia and also from an Air Force family. She received a Bachelor of Science in Business Management and Marketing. She has been a Healthcare Financial Consultant for 20+ years traveling throughout the country teaching, training, and consulting on industry best billing practices, reimbursement systems, and healthcare compliance. After many years of working in the corporate world and traveling endless hours, the need to be home with the children hit. Thus the founding of HealthCare Billing Solutions (HBS) by Stephanie and her husband, Eric. HBS is a healthcare billing/collections and consulting company.

Stephanie’s niece, Nicole, attends Open Horizons. She actively participates in Nicole’s life which led to building a relationship with the wonderful people involved in the organization. She and her husband Eric have 3 children and recently relocated from Ohio to Texas to be with extended family. Eric was in the Air Force which took them to many places and ultimately back to family. She has a daughter who will graduate this year from Ohio State. A son that is currently in the US Army and stationed in South Korea and a son in 9th grade at Prosper High School.

Stephanie looks forward to supporting the mission of Open Horizons to help individuals and families of the special needs population to thrive and flourish to maintain quality of life.

Open Horizons
Life Enrichment and Educational Center

3205 County Rd. 325
McKinney, TX 75069

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