About Us

Territory Psychology has a team of Clinicians who are committed to providing client-centred, quality, evidence-based interventions to Territorians seeking mental health support.

Meet Our Team

Dion Elliott

Three Dots

Principal Psychologist
Company Director

Dion Founded Territory Psychology in 2018 following a career in Defence, Oil and Gas, Mining and Power Generation. Dion has worked across multiple fronts within Australia along with internationally in North, central, and South America, Asia, and the Middle East. As a veteran of Iraq Dion has close ties with the veteran community and as a former police psychologist also has strong affiliation with Police, Fire and Emergency services.

Dion now works with a diverse population of clients with multiple presentations including post traumatic stress, complex trauma, anger management, crisis management, depression, anxiety, alcohol and drug dependency, sexual dysregulation, return to work programs, work related difficulties and Career and Vocational Planning. With a high degree of experience in Critical Incident Response, Dion also provides services in this area.

Dion’s treatment modalities include: Prolonged Exposure Therapy (PET), Cognitive Behavioural Therapy (CBT), Trauma Focused Cognitive Behavioural Therapy (TFCBT), Acceptance and Commitment Therapy (ACT), Critical Incident Stress Management (CISM), with elements of Positive Psychology.


Sheena Neill

Three Dots


Sheena has been practicing as a psychologist in Darwin for 14 years. She completed her training in a forensic setting and has extensive experience working with risk assessment and treatment in the Northern Territory context. Sheena commenced work in private practice with Veterans and their families in 2014 treating a range of presenting issues. She has worked in organisational psychology roles and assessed suitability for service and delivered resilience and self-care training to large groups of operational personnel. 

Sheena has delivered clinical interventions to civilians, prisoners, tri-service military personnel, first responders and their families. She delivers interventions to adults,  couples, adolescents and children in individual and group settings. 

Sheena’s approach is evidence based and trauma sensitive. She has expertise in a range of traditional and third wave therapeutic approaches such as mindfulness informed CBT, ACT and sensorimotor processing/poly vagal approaches. Sheena is a qualified mediation teacher and works holistically with clients to reduce distress.