David Johnstone

David Johnstone possesses extensive experience in business development and sales within the gas processing and natural gas industries. Currently serving as a Business Development professional at Linde Engineering North America Inc. since April 2017, David specializes in delivering customized gas processing solutions. Prior roles include Sales Manager at Unconventional Gas Solutions, LLC, where responsibilities involved representing membranes for natural gas applications, and Regional Sales Manager at Membrane Technology & Research, Inc, focusing on gas separations. David's career also encompasses positions as a Sales Engineer at ACS Industries and an Applications Engineer at Big 3 Industries/Air Liquide America. David holds a Bachelor of Science degree in Chemical Engineering from Texas Tech University, awarded from 1976 to 1980.