His appointment comes as the business reports a 300% increase in month-to-month revenue as well as several new clients including Microsoft, Yahoo and Universal Music.

Imus (pictured) has a background in mobile, internet and ad tech sectors. At comScore, he was involved in launching new research service initiatives and data deals. In his new role at Verto, Imus will be responsible for new business and partnerships on the east coast.

Hannu Verkasalo, founder and CEO, Verto Analytics, said: "A consumer-centric approach to measurement is what brands, advertisers, and publishers are demanding—behavioural data from a single-source panel coupled with comprehensive demographics, deep behavioural metrics, and real-time insights."

Verto has opened offices in London, San Francisco, Singapore and Frankfurt as hubs for business development, marketing, and sales.