About the Organization

The International Conference on Environmental Systems was started in 1971 with a focus on the dissemination of technical and scientific information on topics related to humans living in space and working in extreme environments.  The conference includes technical sessions, panel discussions, and published proceedings.

The conference is organized by the ICES Steering Committee and five committees aid in the coordination of the annual conference through the organization of technical sessions and the solicitation of technical papers for presentation and publication.

  •  ICES Thermal and Environmental Control Systems (TECS) Committee
  • American Institute of Chemical Engineers (AIChE) Environmental Systems Committee
  • ICES International Committee (IIC)
  • American Society of Mechanical Engineers (ASME) Crew Systems Committee
  • American Institute of Aeronautics and Astronautics Life Science and Systems (AIAA-LS&S) Technical Committee

ICES 2021 Steering Committee

Stephane Lapensee
ICES 2021 Conference Chair
European Space Agency

Tom Leimkuehler
ICES 2021 Vice Chair
NASA Johnson Space Center

Art Avila
TECS Program Chair
Jet Propulsion Lab


Matthias Holzwarth
IIC Program Chair


Morgan Abney
AIChE Program Chair
NASA Marshall Space Flight Center


Shawn R. Macleod
ASME Program Chair
Collins Aerospace


Kevin Duda
AIAA LS&S Program Chair
Draper Laboratory

Tim Nalette
Past Conference Chair 2019
UTC Aerospace Systems (retired)


Grant Anderson
Past Conference Chair 2018
Paragon Space Development Corporation

Over the past 50 years, the conference has been organized by various professional societies including ASME, SAE, and AIAA.  In 2015, the International Conference on Environmental Systems, Inc was formed as a non-profit corporation in the state of Connecticut, TIN # 47-3124379, and is recognized by the Internal Revenue Code as a 501(c)(3) tax-exempt organization, with Public Charity Status 509(a)(2).  All contributions to the International Conference on Environmental Systems Inc, are deductible according to section 170 of the IRS code.

The International Conference on Environmental Systems, Inc corporate structure consists of a steering committee, which serve as the members, and a Board of Directors, elected by the members, which has the overall financial responsibility for the corporation.

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