Ms. Vasiliki Papaefthymiou, also known as Villy, serves as a Secretary at Navios Maritime Midstream Partners L.P. Ms. Papaefthymiou has been an Executive Vice President of Legal at Navios South American Logistics, Inc. since March 2011. She has been Secretary of Navios Maritime Partners L.P. since August 2007. She has been Secretary of Navios Maritime Holdings Inc. (formerly, International Shipping Enterprises Inc.) since October 2001 and has been its Executive Vice President of Legal since August 25, 2005. She has been Secretary of Navios Maritime Acquisition Corporation since March 14, 2008. She serves as an Authorized Officer of Kleimar NV. Ms. Papaefthymiou served various officer and Director positions at Navios Maritime Acquisition, Navios Maritime Partners and Navios South American Logistics. Ms. Papaefthymiou served as General Counsel of Maritime Enterprises Management S.A. since October 2001, where she advised on shipping, corporate and finance legal matters. She served as General Counsel to Franser Shipping from October 1991 to September 2001. She serves as a Director at Kleimar NV. She has been a Director of Navios Maritime Holdings Inc. since October 2001. She served as a Director of ISE. She admitted to practice before the Bar in Athens, Piraeus, Greece. Ms. Papaefthymiou holds an Undergraduate Degree from the Law School of the University of Athens and a Master's Degree in Maritime Law from Southampton University in the United Kingdom.