Debbie Callahan (pictured) has been appointed as chief sales officer, responsible for leading the company’s approach to client solutions. Based in Clarity Insights’ Chicago office, Callahan has more than 30 years of experience in data and analytics consultative sales, marketing and recruitment, and has held positions at Maven Wave Partners and Knightsbridge Solutions.

Paul Sinclair has been named as a partner in the company’s healthcare practice. Previously managing director of business development for KPMG’s healthcare market, Sinclair’s experience includes roles at Allscripts, Prognosis Health Information Systems and Ingenix Consulting. He is based in Kansas City.

The company has also appointed George Gardner-Serra as healthcare practice partner for the West Coast. Based in San Francisco, Gardner-Serra has previously held positions at Kaiser Permanente, BlueShield of California and Accenture.

Neil Huse, president at Clarity Insights, said: "We've intentionally sought leaders that will make us more customer-centric and innovative. I have worked with Debbie in the past and she is not only an excellent sales leader, but brings customer engagement and marketing experience to our team.

"For our growing healthcare practice, Paul and George are a perfect fit. Both are industry professionals with extensive experience in the healthcare space, and they are poised to be invaluable resources to our clients as they seek new opportunities for competitive edge in the industry."

Founded in 2008, Clarity Insights focuses on data strategy, engineering, science and visualisation, and has offices in Chicago, Charlotte, New York and Silicon Valley.