Robert Yu Lang Mao is Chairman of the board of directors, President and Chief Executive Officer of Energy Recovery Inc. Mr. Mao joined the Energy Recovery Inc. board of directors in September 2010 and was elected as Board Chairman in June 2019. He was appointed to the additional role as President and CEO in May 2020 after serving as Interim President and CEO from November 2019 through April 2020. He brings to Energy Recovery extensive experience in helping equipment manufacturers successfully expand into new product and geographic markets. His strong strategic and analytic skills will help guide the diversification of Energy Recovery’s product line and its growth into new global markets. Previously, Mr. Mao served as Chief Executive Officer of 3Com Corporation from 2008 to 2010 and was on that company’s board of directors from 2007 to 2010. Prior to 3Com Corporation, Mr. Mao worked for Nortel Networks as CEO of the company’s Greater China operations from 1997 to 2006. Before joining Nortel, Mr. Mao was Regional President of the Greater China region for Alcatel-Lucent from 1995 to 1997. Mr. Mao also held executive positions at Alcatel and ITT in Asia and the United States. Mr. Mao has served on the board of directors of companies listed on the Nasdaq, the Hong Kong Stock Exchange and the Taiwan Stock Exchange across a number of industries. Mr. Mao is a graduate of Cornell University with a bachelor’s degree in materials science and a master’s degree in metallurgical engineering. He also holds a master’s degree in management from the Massachusetts Institute of Technology.