Steve Diller has been appointed senior vice president and Steve Rowe has joined as vice president. Lastly Aliza Pollack has been hired as vice president of qualitative.

Diller joins the firm from sister consultancy Cheskin Added Value where he led the innovation practice and the experience design studio. He will be responsible for growing the division and acting as a thought leader in market thinking and innovation practices.

Rowe moves to his new role from Added Value UK, which he joined in 2005 following a spell with Millward Brown, while Pollack previously ran her own consumer insights and brand strategy agency, ConsumerScope.

Bryony Ranford, Added Value’s executive vice president for North America said: “All three bring strong strategic experience to our growing team and a great mix of skills. Our clients today demand fresh insight and thinking as well as clear implications and foresight about what’s coming next. Aliza, Steve Diller and Steve Rowe are creative and skilled marketing leaders who bring us that in spades.”