Norwegian Cruise Line Holdings has announced that David Herrera is stepping down as president of its flagship Norwegian Cruise Line. Per the companys most recent filing, Herreras resignation took effect immediately and NCLH is currently in the process of seeking out a new president for the brand. In the meantime, Herreras predecessor, NCLH president and chief executive Harry Sommer, will step into his place. A timely change In a statement, Sommer thanked Herrera for his service to t