MEDFORD, NY -- (MARKET WIRE) -- May 30, 2007 -- Chembio Diagnostics, Inc. (OTCBB: CEMI) has appointed Robert L. Aromando as its Senior Vice President, Commercial Operations. Mr. Aromando brings over 30 years of healthcare sales, marketing, business development and government affairs experience to Chembio. In this new position at Chembio, Mr. Aromando will lead the implementation of Chembio's business plan for its recently patented Dual Path Platform (DPP™) point of care technology, and will also oversee all of Chembio's other sales, marketing and business development activities.