At the heart of all the techniques and models I use is the understanding that every person has a basic, intrinsic wellness. This intrinsic wellness can be accessed and experienced even in the middle of major mental illness.
This understanding of psychology comes from Contemplative Psychotherapy, which combines Western Psychology models and the experiential understanding from contemplative spiritual traditions of the basic awakeness, compassion, and clarity of the human mind. In many Buddhist traditions (as well as other Eastern spiritual and philosophical traditions), this intrinsic wellness is addressed directly.
Though I use a number of different models and techniques in my work, this understanding of the intrinsic wellness is always present. This contrasts to much of the theory of Western Psychology, which is often unilaterally focused in the history of the dysfuction or pathology that a person faces. Though the root of the problem is important, it's only part of the story.
The implications of this way of thinking are various. But it probably goes without saying that most people who are seeking help often have much more at their disposal than they're initially aware. I work with each client differently depending on their needs.