Mr. Karim H. Attia is an angel investor. He serves as Member of the Ad Products Advisory Board at IAB. He served as Co-Chief Executive Officer and Board Member at nugg.ad. He serves as Co-Chief Executive Officer at Ubirch. He has been an entrepreneur and business angel in the digital economy for over 20 years. In 1999, he founded XENION, one of the first and later market-leading online marketing agencies in Germany, where in addition to the corporate strategy, he was responsible for internationalization.