• DR Systems (San Diego) reported the hiring of Ryan Yamatani, as VP of sales & marketing and John Conklin as director of cardiology programs. Yamatani previously was a senior healthcare leader at EMC, while Conklin has had a 12-year career in cardiology solutions with Camtronics Medical Systems and subsequently, Emageon, which acquired Camtronics in 2005. DR Systems is a provider of enterprise imaging and information management systems for hospitals, integrated healthcare networks and diagnostic imaging centers.

• McKesson (San Francisco) said Patrick Blake was promoted to executive VP and group president, McKesson Technology Solutions. Most recently, Blake was president of McKesson Specialty Care Solutions. McKesson is a healthcare services and technology company.

• Peter Webner was named Northeast regional business director of Positron (Indianapolis). Webner previously was VP of product development for IBA North America. Positron is a molecular imaging company with a focus on nuclear cardiology.

• Jason Gorevic was named CEO of TelaDoc Medical Services (Dallas). Most recently, Gorevic was a senior VP at WellPoint. TelaDoc is a network of primary care physicians, providing cross-coverage services on demand.