Sebastian is External Affairs Manager in the Tampa Bay area for TECO Peoples Gas, where he focuses on corporate external affairs, economic development, and government affairs in the region.

Prior to joining TECO, he served as Deputy Director of State Operations for U.S. Senator Rick Scott. In this role, he oversaw external affairs and day-to-day operations for the Senator's nine district offices in Florida.

Before working with Senator Scott in the U.S. Senate, Sebastian served in multiple roles for the Executive Office of Florida Governor Rick Scott and the Florida State Senate, with experience in state legislation, gubernatorial appointments, communications, and external affairs.

He serves on board and committee roles with the St. Pete Chamber of Commerce, St. Pete Economic Development Council and Hernando Progress and was a fellow for the Heritage Foundation's Academy program. He is also a graduate of Tampa Connection Class of 2024 and Leadership St. Pete class of 2023.

Sebastian received both a Bachelor of Political Science and Master of Applied American Politics and Policy degree from Florida State University. In 2022, he was named a "Rising Star of Florida Politics" by INFLUENCE MAGAZINE.