LONE TREE, Colo.--(BUSINESS WIRE)--Zynex, Inc. (OTCBB: ZYXI), a provider of pain management systems and electrotherapy products for medical patients with functional disability, announced the hiring of David Empey as Director of Regulatory Compliance. Mr. Empey will start on January 3, 2011 and will report directly to Thomas Sandgaard, Chief Executive Officer.