Antonis Trakakis has graduated from Mechanical Engineering dept of NTUA and carried out graduate studies at von Karman Institute for Fluid Dynamics in the field of Turbomachinery. Currently he holds the position of Technical Manager at Arista Shipping where he joined in 2010. As Technical and Environmental Manager of Superfast Ferries he has successfully addressed all issues relevant to operation of ships in sensitive areas like the Baltic sea. Antonis has worked with all kinds of internal combustion engines, ranging from gas turbines, to all sizes of four stroke, and two stroke engines, and one of his special concerns has been the formation and control of emissions, engine efficiency and performance monitoring.