Product Management Associations throughout the world.
Some of these meet in person regularly and have their own websites, while others are Yahoo! or Google Groups.
US Product Management Associations:
International Product Management Associations:
AIPMM (Association of International Product Marketing Managers)
Joining one of these groups helps professionals learn new skills, network and advance their careers through workshops, monthly meetings, email lists and other social events. They are an excellent way to learn how to effectively deal with the difficult challenges that Product Management professionals face.