Abstract: Methods of sharing or presenting members' information without identifying the members are provided. The method comprises receiving a request from a requesting party wherein the requesting party specifies at least one characteristic of members it seeks to target or search in the request; generating a list of members that match the specified characteristic or characteristics in response to the request; substituting information related to members on the list with an anonymous identifier and providing such identifier to the requesting party. Preferably, each member is assigned a unique identifier. The method for supplementing information collected from different organizations is also provided. Additionally, the system and computer program for carrying out these methods are disclosed.