Konstantinos Papaefthymiou holds a Diploma in Naval Architecture & Marine Engineering from the National Technical University of Athens. He previously worked as an Environmental Specialist at RINA Classification Society, gaining valuable experience in environmental compliance within the maritime industry.

His diploma thesis is titled “Innovative Solutions for Compliance with EEXI Regulations: Evaluating the Effect of Energy Saving Devices and Engine Power Limitations on Vessel Performance." At ShipReality Inc., he is actively engaged in the development of cutting-edge software solutions for the shipping industry, primarily focused on optimizing vessel performance and ensuring stringent compliance with decarbonization standards.