GSI is organized according to the organisation chart as follows:

• Research

Technical Managing Director

• Project Management FAIR
• Accelerator Operations

• Works Council
• Equal Opportunities Council
• Disabled Persons Council
• Youth and apprentice representative (German only)

• Scientific Council FAIR/GSI
• Scientific and Technical Council
• Programme Advisory Committees

• Corruption prevention: Karin Scheller 
• Electrical Technician in Charge (VEFK): Ralf Becker
• Export control: Julia Shirotskiy
• Fire protection
• Privacy protection
• Radiation protection: Dr. Torsten Radon
• Senior Safety Officer: Karsten Vogt
• Water protection, hazardous goods, waste material: Andreas Niermeyer