1. Instituto Tecnológico de Costa Rica,School of Electromechanical Engineering,Cartago,Costa Rica
2. ETAP, Latin America Support Manager and Instructor
3. Instituto Costarricense de Electricidad,San José,Costa Rica
4. Universidad de Concepción. Concepción,Electrical Engineering Department,Chile
5. Ingeteam R&D Europe S. L,Zamudio,España,48170
6. Anhalt University of Applied Sciences,Germany