Roman Grebennikov

Roman Grebennikov is an experienced technology professional currently serving as Principal Engineer at Delivery Hero and Maintainer at Metarank Labs, a project that evolved into a sophisticated open-source Learn-to-Rank service. Prior to these roles, Roman was the ML Lead at Findify, where leadership of a team focused on smart search and recommendations contributed to significant company growth. Roman's earlier experience includes serving as CTO and Big Data Engineer at Sociohub, where a comprehensive analytical pipeline was developed under resource constraints, as well as roles as a BI Developer at Numbers Ltd and a Researcher/Developer at Lord Finance, focusing on data mining and algorithmic trading. Roman holds a PhD in Computer Science and a Specialist degree from Voronezh State University.