• Capsule Tech (Andover, Massachusetts), a provider of medical device information systems, said it has expanded its sales management organization. The group will be led by Curt Thornton, Capsule VP of North America Sales and includes the integration of the company's lead generation operations. Thornton, who also oversees Capsule's partner and reseller programs, will report directly to Capsule's CEO, Gene Cattarina.

• diaDexus (San Francisco), a company developing cardiovascular diagnostic products, reported leadership changes designed to expedite execution of the company's diversification and expansion plans to drive and support its future growth. Brian Ward diaDexus' current CEO and a director on the board, will retire from the company by the end of 2014, and Alexander Johnson will join on August 4 as president. To ensure an orderly transition with continued operational focus and execution, Lori Rafield, the current chairman of the board, will take the additional role of interim executive chair effective immediately.

• Monarch Medical Technologies (Charlotte, North Carolina) reported that Stuart Long has joined the company as its new CEO. Formerly the global chief marketing and sales officer for Capsule Tech (Andover, Massachusetts), Long has extensive experience in driving corporate growth and strategic objectives. With more than 20 years of experience in the medical device market.