Diadexus, Inc. Names Jonathan Ruais as Vice President of Marketing

SOUTH SAN FRANCISCO, CA--(Marketwired - Oct 13, 2015) - Diadexus, Inc. (OTCQB: DDXS), a diagnostics company developing and commercializing products that aid in the prediction of cardiac disease risk, today announced that Jonathan Ruais has joined the Company as Vice President of Marketing. Mr. Ruais brings over 15 years of leadership experience to Diadexus, including nearly 10 years as a highly accomplished marketing executive in the medical industry. In his new role at Diadexus, Mr. Ruais will be responsible for developing and executing the Company's marketing programs, including helping drive awareness and adoption of PLAC^® Activity within the hospital and lab channels and supporting the launch of proADM for acute episodes of heart failure.

"Jon brings a deep understanding of the heart failure market along with extensive experience in the marketing of novel cardiovascular brands, as well as life cycle management of established products," said Lori Rafield, Ph.D., chairman and chief executive officer of Diadexus. "His expertise will be invaluable as we execute our commercial strategy for PLAC^® Activity and advance development of ProADM, our heart failure diagnostic biomarker for which we expect to file a regulatory submission in early 2016. Our continued ability to attract highly experienced management to the Diadexus team reflects the strong commercial potential of our product portfolio."

"There is a significant need in the marketplace for actionable information to predict and reduce cardiovascular events in patients at risk," said Mr. Ruais. "I look forward to leading the Diadexus marketing team to ensure the successful commercialization of this unique cardiovascular product portfolio."

Mr. Ruais joins Diadexus from Thoratec Corporation where he first served as Senior Global Business Unit Director, Commercial Operations, where he managed the commercial operations for HeartMate II® and HeartMate 3™, Thoratec's lead therapies addressing advanced-stage heart failure. His time at Thoratec culminated in his appointment as Senior Director, Global Strategic Marketing, where he led the company's strategic marketing organization, long term strategy development and new product launches. Prior to joining Thoratec in 2011, Mr. Ruais held several product management and marketing positions in the Neuromodulation Division at St. Jude Medical, most recently as Director of Chronic Pain Therapy Management. From 2000 to 2006, Mr. Ruais served as a lieutenant and nuclear submarine power engineer in the United States Navy. Mr. Ruais holds a B.A. in Political Science from George Washington University and an M.B.A. from the University of Western Florida.