Eric Michael Siena was born on December 12, 1974, in Rochester, New York. In 1990, when Eric was a sophomore in high school, his family moved to McMinnville, Oregon, where he attended McMinnville High School. In high school he would spend his summers with his aunt and uncle in Kissimmee, Florida, where he worked for his uncle doing lightning protection. Eric had several family members that were in the fire service in central Florida, and that is where his passion to become a firefighter came from.

When Eric graduated from high school, he moved to Florida to pursue his dream of serving his community in the fire service. Eric attended the fire academy and EMT school in Orlando and was hired with Orange County Fire Rescue in November of 2000.

He was a dedicated member of Orange County Fire Rescue for over 20 years. He was a proud member of the squad (heavy rescue) for over 17 years and was a founding member of Squad 3 since its inception in 2003. Eric was very passionate about what he did and always strived to be the best of the best. He was well respected and looked up to as one of the best in the squad program. Many came to him for training and mentoring. In 2017, Eric was promoted to lieutenant and placed on Quint 41. Lieutenant Siena received several awards during his career and saved several lives. Eric was also the vice president of the Orange County Fire Fighters Association, IAFF Local 2057.

Eric was exposed to hazardous waste as a member of the HAZMAT team on a hazmat fire, and in 2020 he was diagnosed with stage 4 brain cancer.

Eric passed away May 11, 2021, surrounded by his wife, Christy, and sister, Amber, at his home in Eustis, Florida. He was 46 years old.