Gefei LiuGefei Liu is the founder and president of Pegasus Vertex, Inc., a drilling software company in Houston, Texas. He received his BS degree from the University of Science and Technology of China in 1987 and an MS degree from the University of Texas at Astin in 1991. Gefei has published more than 20 technical articles on various drilling engineering topics and one book published by Elsevier titled Applied Drilling Circulation Systems with Prof. Boyun Guo. Mr. Liu was nominated for the SPE (Society of Petroleum Engineers) Drilling Engineering Award in 2012. In May 2018, Gefei, together with his colleague Dr. Hu Dai, was awarded the Meritorious Awards for Engineering Innovation by Hart's Energy for developing the CEMPRO+ computer model. Read More Read Less