Tag: Shaun Castillo

Shaun Castillo, 38President, Preferred TechnologiesHoustonInitially, Shaun Castillo wasn't interested in joining his father in starting a security business.“Luckily, I had some good mentors at the time that showed me that it was an opportunity that I couldn't pass up,” said Castillo.Preferred Technologies, based in Houston, focuses on designing, building and installing security systems for enterprise customers. Since founding the company with his father in 2005, it has grown from a $200,000...