Sirona Dental Inc, Charlotte, NC, has expanded its national accounts and institutions business team to address the demand for its products in dental schools, group practices, and governmental institutions.

Doug Clarke was named West Coast sales manager, while Jay Novak was named East Coast sales manager. Ryan Hollenbeck has joined the team as 3D & CAD/CAM specialist.

Clarke joined Sirona in 2007 and most recently worked in the Pacific Northwest region supporting Schick sensors and Sirona’s intra-oral product line. Novak, with Sirona since 2009, was previously responsible for Eastern region sales of Schick sensors and the Sirona intra-oral product line.

Hollenbeck has more than 21 years of sales experience, including the last 7 years spent in the dental implant industry.