JOHN CERIELLO is a 26-year veteran of the New York City Fire Department. He is a Captain and currently assigned to Division of Training. He has been at the forefront in the FDNY’s Wind Impacted Fires Project that introduced stairwell pressurization, wind control devices and high-rise nozzles into the field. He also was part of the implementation of new concepts of ventilation and flowpath control to the FDNY. John is on Underwriter Laboratories advisory panel for a number of projects including their most recent research on horizontal and vertical ventilation.