SeaPort Manatee’s senior management understands the unique features and benefits of the Tampa Bay region’s maritime community and is deeply engaged in the ever-changing world of international trade.
Please click here to view SeaPort Manatee’s organizational chart
Executive Director
Carlos Buqueras
With three decades of distinguished Florida port leadership, SeaPort Manatee Executive Director Carlos Buqueras is globally renowned for his visionary achievements in all facets of seaport business development and operations, including containerized, bulk and breakbulk cargos, as well as cruise and ferry industry prominence.
Senior Director of Engineering & Construction
George Isiminger, P.E.
Mr. Isiminger is responsible for design and oversight of all construction projects at SeaPort Manatee. He also handles securing environmental permits and ensures compliance with local, state and federal environmental requirements.
gisiminger@seaportmanatee.com
Senior Director of Public Safety & Security
David St. Pierre, CPE™
As Senior Director of Public Safety & Security, Mr. David St.Pierre is responsible for the development, implementation and maintenance of the port’s security and emergency action plans and manages the daily activities of the SeaPort Manatee security department.
dstpierre@seaportmanatee.com
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Senior Director of Business Administration & Finance
Denise Stufflebeam, CPE™
As the Senior Director of Business Administration and Finance, Ms. Denise Stufflebeam manages the daily administration of the port’s accounting and finance functions. She also oversees the information technology department and its operations. She manages the operating, capital and grant project budgets and prepares the annual budget. She coordinates and writes the agendas for the monthly Port Authority meetings and oversees the port’s risk management.
dstufflebeam@seaportmanatee.com
Director of Operations & Maintenance
Troy Layton
Mr. Troy Layton is responsible for all aspects of the operation and maintenance departments, including facilities, fleet, grounds, vessel traffic, cargo placement, scales, and applicable tlayton@seaportmanatee.com
Director of Business Development
Roxana Santoyo
In her dual role as director of business development for SeaPort Manatee and the International Trade Hub at SeaPort Manatee, Ms. Santoyo leads commercial acitivities, driving the port’s role as a regional and global trade gateway.
rsantoyo@seaportmanatee.com
Director of Planning & Project Development
Amanda Tyner
Ms. Tyner is responsible for planning and project development initiatives that advance SeaPort Manatee’s role as the leading trade gateway for Southwest and Central Florida.
atyner@seaportmanatee.com
Director of Communications & Public Relations
Virginia Zimmermann, APR
Ms. Zimmermann is responsible for the development and implementation of SeaPort Manatee’s communications and community engagement initiatives.
vzimmermann@seaportmanatee.com