Developmental FX - The Developmental & Fragile X Resource Centre

We innovate, deliver, and scale to provide transformative care for children and families affected by learning and developmental disorders and mental health issues so that they can achieve their fullest potential. We are actively seeking financial support for this critical and innovative work.

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General Information

Official Name
Developmental FX-The Developmental & Fragile X Resource Centre​​​​​​​
DBA/Trade Name(s)
Former Name(s)
Date Established
Offers Additional Colorado State Tax Credit
Tax ID
Headquarters Address
Colorado Location
Mailing Address
Other Address
Suite C
DENVER, CO 80231-5326
Main Phone Number
Fax Number
Other Phone Number
Social Media Links

Mission Statement

DFX prepares children with developmental differences for a bright future of engaged belonging by equipping them, their families, therapists, and teachers with innovative programs in Colorado and around the world.

Organization History

Since our founding in 2003, we have taken our expertise in addressing the complex needs of children with Fragile X Syndrome and applied those skills to serve youth affected by mental health issues, developmental disorders, social/emotional delays, autism, other genetically identified conditions, and any combination of these issues. DFX envisions a system of trans-disciplinary care provided within a child's trusted community, in which the range and depth of services available to a family are not determined by their socio-economic situation but rather available to all. We operate according to this principle in our clinic and share our models of inclusion through training and mentoring in Colorado and around the world. The children and families we reach are equipped with life-changing resources and ready to engage more fully in an ecosystem that is more aware and supportive of their needs.

DFX co-founder and executive director, Tracy Stackhouse, is a leading pediatric occupational therapist (OT) involved in clinical treatment, research, mentoring, and training regarding OT intervention for persons with neurodevelopmental disorders, especially Fragile X Syndrome and autism. Tracy is a member of the National Fragile X Foundation Clinical Research Consortium, the Scientific and Clinical Advisory Committee, and the NFXF Advisory Council, and an expert advisor to the CDC and RTI Fragile X Priorities Panel. The DFX board includes professionals from throughout the Denver community who are leaders in healthcare delivery and administration, education, and other areas of expertise. Our clinical team is trained to provide multidisciplinary care adhering to our Therapy that fits philosophy via occupational therapy, psychology, and speech language pathology.

DFX works to transform the lives of children who have neurodevelopmental disabilities and mental health challenges so that they can live to their fullest potential; serve as a resource to families, educators, and other care providers to offer them the tools to understand and administer to the complex, individual needs of each child; and share our knowledge and change the landscape of what transformative care looks like for children who are non-neurotypical and their families - locally, nationally, and globally.


Patient care:
"You have dedicated your time and energy to helping families like ours, spending countless hours and dollars to help and counsel our children..." C.R. parent of child with Fragile X Syndrome

"Thank you again for all of your help. The understanding and compassion of all of you shine through your work. It is so wonderful to come across a group of people that enjoy their careers so much." R.G. parent of child with autism

"Thank you so much for sharing all of the great information, you are truly making a difference in the lives of families living with Fragile X Syndrome." M.G. parent

"I'm amazed that I continue to learn something new each time I hear them speak (Tracy and Sarah). I think the explanation is that as they help our kids collectively, we continue to learn from them - but at the same time they continue to learn from our kids. They in turn share their collective, and growing knowledge - all to better our kids' lives." J.C.President, National Fragile X Foundation

These last few weeks have been fantastic and I am impressed with the kind of work you are doing here. You are an incredible team! A.L. Occupational Therapist, Norway

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