Over 40 years of electro-technology; 10 years of that in Latin America. Master's degree in Electrical Engineering; another Master's in liberal arts. And that is just one of us! The co-owner has another Master's degree in computer science and Cum Laude in Math plus 30 years as a secondary math instructor in both English and Spanish.
Electro-technology including wind turbines, fiber-optics, electronics, industrial power systems, telecommunications, lightning protection & grounding. Secondary education, especially science and math. Liberal arts topics; Latin America including culture, tourism, history.
Over 35 years of combined experience in Latin America; bilingual English-Spanish (and some Portuguese too!) Engineering, education backgrounds. Creation of didactic material in both English and Spanish long before we began work in translation.