The project has been been broken up into four Groups and 18 Sub-projects. The Sub-projects are the working units and it is the responsibility of the Sub-project Leader to ensure that the Sub-project completes its task in a timely and economic fashion. The Sub-project Leader reports to the Project Office on matters of finance, schedule and quality. The Group Coordinator has the responsibility for coordination of activities and technical interfaces between Sub-projects within the Group. The following Group Coordinators and Sub-project Leaders have been identified.
| Group | Sub-project | ||
| Group | Sub-project | Coordinator | Leader |
| Facility Group | T. Weekes | ||
| Site | S. Criswell | ||
| Optics and Mechanics Group | J. Gaidos | ||
| Mirrors and Mounts | J. Gaidos | ||
| Pedestals and OSS | T. Weekes | ||
| Camera Group | S. Swordy | ||
| Focus Plane Instrumentation | F. Krennrich | ||
| Peripherals | D. Fegan | ||
| PMT's | J. Finley | ||
| High Voltage | S. Swordy | ||
| Trigger L1 | D. Kieda | ||
| FADC | J. Buckley | ||
| Pattern Trigger L2 | J. Rose | ||
| Central Array Trigger L3 | R. Ong | ||
| Central Array Trigger L4 | J. Rose | ||
| Cable and Connectors | D. Kieda | ||
| Timing | J. Finley | ||
| Calibration | D. Kieda | ||
| Data Acquisition | J. Quinn | ||
| Software Group | D. Fegan | ||
| Data Reduction | G. Sembroski | ||
| Data Archiving | M. Catanese |