Online communities offer the opportunity to contact other senior level consultants and exchange information directly relevant to your field.  These networks provide the ability to increase your knowledge and advance your career.

Global Consulting Forum   An outstanding, exclusive community of senior level consultants.  Must have experience working with a major, professional consulting firm.  We do not allow spam.

Federal Government Consulting    A community of exceptional senior level consultants devoted to the federal government space.  Members must have demonstrated significant consulting capabilities, and have several years of major firm experience.

Association of Management Consulting Firms 
The premier international association of firms engaged in the practice of consulting to management.