Task assignment and progress monitoring in an instant messaging session

Embodiments of the present invention address deficiencies of the art in respect to task management in an instant messenger and provide a novel and non-obvious method, system and computer program product for task assignment and progress monitoring in an instant messaging session. In one embodiment of the invention, a method of task assignment and progress monitoring in an instant messaging session can be provided. The method can include maintaining an instant messaging session between first and second collaborators, assigning a task to the second collaborator on request of the first collaborator from within the instant messaging session, the task specifying a third collaborator external to the instant messaging session, and providing subsequent notice to the first collaborator of collaborative interactions between the second and third collaborators in respect to the assigned task.