Sabrina is a media industry expert and has worked in various parts of the advertising ecosystem. Having started her career in Germany at agencies PACT and Magna Global, she moved to a role at publisher IDG Germany, being responsible for cross-media sales, sales marketing, commercial partnerships and starting their first programmatic initiative in 2013. She parallelly achieved her Bachelor of Communication and Marketing Sciences. As of 2014, Sabrina intensified her career focus on programmatic advertising and adtech, leading the DACH demand efforts of Improve Digital, a Dutch SSP. She adopted both strong commercial and technical skills, providing trusted advice and in-depth education to many partners. In 2016 Sabrina joined the AppNexus Supply Evangelism Team as Senior Market Director Netherlands & Ireland. Additionally she became responsible for partner management in Belgium & Portugal, later also for Global Partnerships. Sabrina is also Chairwoman of the IAB Netherlands Programmatic Taskforce and a strong advocate for women in advertising technology.