Presently, Vasiliki Papaefthymiou is Secretary of Navios Maritime Partners LP, President & Secretary at Navios Acquisition Finance (U.S.), Inc., Secretary for Navios Maritime Acquisition Corp., Secretary of Navios Maritime Midstream Partners GP LLC and Secretary of Navios Maritime Containers LP (which are all subsidiaries of Navios Maritime Partners LP), Director & Executive Vice President-Legal at Navios Maritime Holdings, Inc., President at Navios Maritime Finance II (US), Inc. and Executive Vice President-Legal at Navios South American Logistics, Inc. (both are subsidiaries of Navios Maritime Holdings, Inc.) and General Counsel for Maritime Enterprises Management SA. Vasiliki Papaefthymiou is also Member of Athens Bar Association and Member of Piraeus Bar Association.

In the past she was General Counsel at Franser Shipping SA, Secretary & Director at Waterman Logistics, Inc. and Secretary for Navios Maritime Midstream Partners LP.

She received a graduate degree from National & Kapodistrian University of Athens, a graduate degree from The University of Southampton and a graduate degree from Athens University Law School.