CH·IV International and its predecessor, CH·IV Corporation, has been providing LNG engineering and consulting services to a wide base of clients encompassing the entire LNG value chain since 1991. CH·IV’s staff of employees has a combined total of over 150 years of engineering experience covering the entire LNG value chain. From gas treatment and liquefaction for peakshaving or export, through marine and land transportation to the final import regasification and delivery of the gas to the consumer CH·IV has the experience to handle it all.

In addition to our primary office in Hanover, Maryland, CH·IV maintains a permanent office in Houston, Texas.


Michael Diemert, President

Michael has worked in the LNG business since 1974 and has been with CH·IV since 2002. He has extensive experience as project director, director of operations and business development while working around the world. Michael is a leading project developer for application processes for Deep Water Port licenses for LNG Offshore Regasification Terminals with the United States Coast Guard. Michael holds a BS in Mechanical Engineering from Technical College, Koblenz, Germany.

Arthur Ransome, Vice President & General Manager

Arthur has 25 years of experience in the operation and management of power generation and LNG terminal assets. Arthur's expertise includes project management, asset development, asset management, regulatory permitting support and also facility operations. Arthur gained an MBA from the University of Teesside in the United Kingdom.

Mona Setoodeh, Vice President & General Manager

Mona has worked in the industry for over 15 years as a process engineer, with over a decade of experience in project development and management in the LNG space. Mona has joined CH·IV in 2007, leading her team through success of several major LNG import, export and LNG Hob projects. Mona has published several articles and delivered multiple presentations in industries prestigious gatherings including AGA and LNG 17. Mona holds a Ph.D. degree in Chemical engineering from University of Houston and has been Senior LNG Consultant for CH·IV prior to her current appointment.