He replaces Jim Balkcom, who was chairman since 2009 and will remain on the board.
Huennekens was CEO Volcano Corp., a maker of intravascular imaging equipment. From April 2002 to February 2015, he led Volcano (NASDAQ: VOLC) as it went from start-up to publicly traded company with $400 million in annual sales. Royal Philips bought Volcano in February 2015 for $1.2 billion. Before that, Huennekens was president and CEO of Digirad Corp.
Alpharetta, Ga.-based EndoChoice makes endoscopic imaging systems, devices and infection control products and pathology services for specialists who treat gastrointestinal conditions.