Mr. Arnold joins Cepheid from Siemens and , previously , from Diagnostic Products Corporation which was acquired by Siemens in 2006 . Building on his academic and early research experience in clinical laboratories , Mr. Arnold brings more than 25 years of global sales and marketing experience in diagnostics to Cepheid . Most recently , Mr. Arnold was Regional Vice President for Siemens Healthcare Diagnostics in Northwest Europe with responsibility for molecular diagnostics , central lab and point of care sales . Previous roles included Managing Director of European sales for Siemens Medical Diagnostics , with responsibility for more than $ 1 billion in sales annually , and Vice President of Global Marketing and US Sales for Diagnostic Product Corporation , with total revenues in excess of $ 500 million .