At present, the Fraunhofer IZI has a staff of more than 640 employees.
Included are mainly professionals working in the field of natural sciences, such as biologists, biochemists, physicists and biotechnologists, but also doctors of human and veterinary medicine and engineers. Furthermore, the Institute employs a number of technical assistants, like PTAs (pharmaceutical-technical assistant), MTAs (medical-technical assistant) or BTAs (biological-technical assistant). The scientific staff is supported by the administrative department and the two executive departments "Press and Public Affairs" and "Business Development and Patent Management".
The proportion of women at the Institute is 62 percent.