The ISPSO was founded in 1985 by some of the most distinguished contributors to the field. It presently has an international membership of over 200. A list of current members can be found on our Directory page.

ISPSO members make a substantial contribution to the literature in this field. The membership directory includes links to publications by individual members. For lists of publications by individual members find the member's contact information and click on the item "publications" at the end of the member's contact information.