OceanSaver, a leading global provider of class-approved, high capacity ballast water treatment (BWT) systems, today appointed Houtan Houshangi as interim Chief Executive Officer, effective immediately. Houshangi replaces Stein Foss who successfully developed and commercialized OceanSaver BWT system technology since the company’s inception in 2003. Foss will still be associated with OceanSaver and will together with the interim CEO focus on ensuring a smooth transition of leadership and the search for and hiring of his replacement. “Foss has played a critical role in OceanSaver.