Lihua Zhang is a Scientist at Intelligent Optical Systems, Inc. since September 2012 and a Postdoctoral Research Associate and Lab Compliance Officer at Arizona State University since April 2009. Prior to these roles, Lihua Zhang served as a Research Associate at the Changchun Institute of Applied Chemistry in China from September 2003 to January 2009. Key contributions include the development of various electrochemical sensors, such as a portable oxygen sensor and a pocket-sized breath analyzer at Arizona State University, as well as glucose and lactate sensors, biosensors for biochemical oxygen demand, and electrochemiluminescent sensors during time at CIAC. Lihua Zhang holds a PhD in Chemistry from the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences.