Complex doesn't mean unclear. It means the right lens is needed.
Diversi Valley by Key To Achieving Therapy Services Ltd specialist occupational therapy, integrative reasoning and resources for complex neurodivergent lives.
Diversi Valley is the online home of Katie Simons' integrative reasoning, digital resources, clinical tools and specialist insight.
Written resources, bookable intensives and practical thinking tools for people who need clearer language, deeper reasoning and a more useful lens.
Digital Resources & Reasoning Tools
For people who want guides, ebooks, templates and practical frameworks for navigating complex neurodivergent lives with clarity and depth.
Bookable Specialist Reasoning
For professionals or families who need contained access to Katie’s clinical reasoning, intensive case formulation, and specialist clinical writing.
The lens changes everything
Capability is not capacity.
Mismatch is information.
Engagement is the assessment.
Behaviour is not the beginning.
The right lens for complex neurodivergent lives.
Parents and caregivers
Neurodivergent adults
OTs and Healthcare Professionals
Schools and Systems Thinkers
Two decades of cross-system clinical reasoning
With over 22 years of experience spanning the NHS, independent practice, education, and secure mental health, Katie Simons brings a uniquely deep lens to complex neurodivergent lives. Her expertise across sensory integration, attachment, and trauma-informed practice allows for an integrative reasoning that others often miss.
From EHCP and SEND systems to complex neurodevelopmental presentations, Katie’s work provides the clarity needed for families, schools, and professionals to navigate the mismatch between environment and capacity with precision and depth.
Containment
Clear containers protect the work. Katie's work is offered through defined scopes, structured routes of access and clear completion points.