Who is who Submit esther.sys@roularta.be 32 494 68 08 44 Esther Sys Partnership Manager harold.masquelier@roularta.be 32 470 17 01 12 Harold Masquelier Product- & Research Manager joris.de.ryck@roularta.be +32 476 50 85 18 Joris De Ryck Product Manager kaat.cossey@roularta.be Kaat Cossey Programmatic & Adtech mark.daemen@roularta.be +32 51 26 69 67 +32 476 50 09 46 Mark Daemen Director Strategy & Innovation stijn.brysbaert@roularta.be 32 499 33 42 54 Stijn Brysbaert Strategic Partnership Developer yusuf.ozgun@roularta.be Yusuf Özgün Front-End Developer / AdOps