Prof. Dr. Cai-Nicolas Ziegler




Immowelt AG



Prof. Dr. Cai-Nicolas Ziegler is CEO of Immowelt Group AG, operating two of the top three real estate portals in Germany. Immowelt has more than 600 employees and revenue > 100M EUR.

Before Immowelt, Cai was CEO of XING Events, the European leader in event technology, specializing in attendee management and digital event marketing. With his team, Cai managed a successful turnaround of the business, leading it to profitability and growth > 25% for several years.

Cai headed product management at PAYBACK, and worked as strategy consultant at BCG, The Boston Consulting Group.

Moreover, he is professor at theĀ  University of Freiburg, specializing in artificial intelligence, machine learning, and natural language processing.