ACKWEST Appoints Andreas Wittenberg to Lead TestSet’s Expansion across Northern, Central, & Eastern Europe

London, UK – September 23, 2025 – ACKWEST Group, a leader in data creation, today announced the appointment of Andreas Wittenberg as Head of Sales, Northern, Central, & Eastern Europe (NCEE) for its TestSet team. This strategic hire highlights ACKWEST’s focus on strengthening TestSet’s presence in Europe, building robust first-party panels in Germany, and accelerating growth across the DACH region (Germany, Austria, and Switzerland).

With nearly three decades of experience at SPSS, GMI, and Kantar Profiles, Andreas brings a proven track record of advancing market research across Europe. At TestSet, he will apply his expertise and relationships to support the company’s expansion in Germany and the wider NCEE region, whilst ensuring that its panel-building efforts are properly localised and aligned with market needs. His leadership underscores TestSet’s commitment to establishing a trusted foundation for growth in Europe’s largest economy.

“Andreas’s appointment marks an important step in TestSet’s global expansion strategy,” said Colin Turner-Kerr, Operating Partner at ACKWEST Group and Managing Director of TestSet Europe. “By developing first-party panels in Germany, we’re not only growing our marketplace, but also reinforcing Europe as a hub of excellence and innovation for TestSet. Andreas’s deep experience and local knowledge will accelerate our ability to deliver more value to clients across the region.”

Michael Sanfelippo, Operating Partner at ACKWEST Group and President of TestSet, added: “Attracting talent like Andreas demonstrates the strength of the TestSet brand and our culture of innovation. His leadership will be pivotal as we continue building global data solutions that combine scale, quality, and speed, helping clients make faster, smarter business decisions.”

About ACKWEST Group
The ACKWEST Group is redefining the future of data creation. Our modern technology-driven consumer insights and marketing services solutions help clients efficiently convert data into actionable business intelligence, enabling quicker and more informed business decisions. Led by visionary entrepreneurs and industry experts, ACKWEST acquires, builds, and scales transformative businesses into the influential leaders of tomorrow. More information is at www.ackwest.com

About TestSet
TestSet creates uncorrupted, unbiased, human-verified first-party data for reliable business outcomes. Combining the scale of digital with the depth of in-person research, and harmonising AI efficiency with human expertise, TestSet delivers decision-ready data through services and solutions that help organisations improve marketing effectiveness and uncover deeper customer insights. TestSet is part of ACKWEST Group, with offices worldwide. More information at www.testset.co.uk

Press Contact:
Carol Abdul Malak
cmalak@ackwest.com
www.ackwest.com