John has over ten years experience as a real estate investor, owning residential and commercial properties throughout New York City and Long Island. He is also owner of Gold Key Modular Home Specialist, located in Center Moriches, New York and is a Certified Building Analyst. As a result of John’s training and experience, he brings to Gateway a vast knowledge of the construction trades. His understanding of the principles of building science enables him to assess energy efficiency in structures, while monitoring conditions that have a direct impact on human health and safety and the environment. John speaks fluent English and Spanish, and also has a grasp of the Portuguese and Vietnamese languages.