Description TES Electronic Solutions GmbH has been a specialist for tailor-made services in the electronics sector for many years. The history and development of TES is closely linked to the professional career of the Chairman of the Board Jürgen Zeller - a proven expert in the global electronics industry. He started his career as a graduate electrical engineer at Siemens in the field of development of customer-specific embedded systems. Further professional stations were NEC Semiconductors, Bosch and Cadence Design Systems.