Victor Imbimbo (pictured) and John Castellano has joined the company’s health division Critical Mix Health which provides survey data collection services focused on health and wellness issues.

Imbimbo becomes managing partner, health, and is a current member of the Critical Mix advisory board and owns the magazine and website Caring Today.

Meanwhile Castellano joins as senior vice-president, health and was previously sales director at EPocrates.

Founder of Critical Mix Health Hugh Davis said: “The combined healthcare expertise of these executives will enable Critical Mix Health to strategically broaden our range of health-related professional and consumer product offerings. Most importantly, it will deliver enormous benefits for our customers.”