Model Scientist (Daniel Jacob) is responsible for:

• code integrity
• development prioritization
• relationships in user community, issues of general benefit
• admission of new users

Model Engineer (Bob Yantosca) is responsible for:

• version control, code updates
• user support
• interface with GMAO

Users are responsible for:

• maintaining communication with other users (web site, users' meetings)
• updating regularly to latest version of model
• providing mature new codes and data sets for implementation in standard model
• giving credit to recent developers through coauthorships in publications
• being resourceful