In the role, which is a new position for YouGov, Ullstein (pictured) will help drive commercial strategy for the UK market and lead YouGov’s UK commercial and research teams, and will report to chief commercial officer Tom Fisher.

Ullstein has worked for YouGov since 2015, and was most recently commercial director at the company.

During his time at YouGov, Ullstein helped to set up the account management function  and led on some of YouGov UK’s most valuable accounts, and has also run the commercial arm of YouGov’s self-serve platform and helped lead the commercial response to Covid-19.

Fisher said: “William’s experience and leadership has benefited many of our biggest clients across the world and he has proven repeatedly his ability to deliver the necessary business metrics, while bringing the people on a journey with him. 

“William is a natural innovator who is taking charge of our UK operations at a transformative time for data insights. He understands how clients benefit both from big strides – such as YouGov’s acquisition of Yabble – as well as smaller steps – such as making us the most of technology to improve efficiency with behind-the-scenes processes. I am excited to have him leading our UK operations.”

Ullstein added: “I am really excited to have this opportunity to steer YouGov UK at this pivotal moment for our industry. 

“I am focused on building on YouGov’s history of cutting-edge of research innovation, up-skilling our teams where required and using the combined power of YouGov’s awesome data, technology, and people to create extraordinary value for our clients.”