(800) 748-6273

Your cart is empty.

Sign up for our monthly e-newsletter and receive 20% OFF YOUR NEXT ORDER! Subscribe today »



Katherine Donnelly, Ph.D. is a cognitive behavior therapist who practices at the Bio-Behavioral Institute, Great Neck, NY. She has co authored a book entitled, "Overcoming Depersonalization" and has presented extensively on the topic of obsessive compulsive spectrum disorders (OCSD) including hoarding, and depersonalzation, She has written on acceptance and commitment therapy (ACT) and is recognized for her application of ACT for OCSD. Dr. Donnelly is a graduate of Hofstra University's Department of Clinical Psychology.

Books by Katharine Donnelly

Showing 2 results
No votes yet
Growing up with a hoarder can be a confusing, painful, and sometimes dangerous experience. And when it comes to finding help for a hoarder parent, many adult children find themselves taking on the... Read More
No votes yet
When you have depersonalization disorder, nothing seems real. You may feel detached from reality, even from your own thoughts, as though you are going through the motions of living without ever... Read More