Efthymios Oikonomou is a skilled performance marketing specialist currently working at VELORETTI, overseeing social advertising campaigns for one of the largest bike brands in the Netherlands since February 2023. Previously, Oikonomou held the position of digital marketeer at Valtech, where responsibilities included digital strategy development and media planning from September 2021 to January 2023. Oikonomou has also served as a communications technician in the Hellenic Army and held various roles in digital marketing, including a digital marketing specialist at SLEED and a digital marketing associate at ForthRight Advertising Agency. Oikonomou's early career included marketing support at Stryker and sales at Cosmos Sport SA. Oikonomou holds a Bachelor's degree in Management Science and Technology from Athens University of Economics and Business, earned in 2018.