Delivery Hero
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.
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Delivery Hero
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Delivery Hero SE is a Germany-based company, which is primarily engaged in the food industry. The Company operates as a provider of online food delivery services from restaurants and cafes. The Company offers pizza, burger, organic food, vegan cuisine, and Asian dishes, among others. Its portfolio of brands comprises Foodpanda, Lieferheld, Foodora, PedidosYa, Clickdelivery, Talabat, Yemeksepeti, Donesi, Pauza, Hungerstation, Hellofood, Otlob and others. The Company operates globally, on the territory of more than 40 countries, comprising Europe, the Middle East, North Africa, Asia, and the Americas. The Company's services are available through Web version and mobile application.