Argonne National Laboratory

Photo of Ralph Muehleisen

Ralph T. Muehleisen

Principal Building Scientist & Building Energy Decision and Technology Research (BEDTR) Section Leader

Dr. Ralph T. Muehleisen is the Principal Building Scientist, the Building Energy Decision and Technology Research (BEDTR) Section leader, and the Urban Science and Engineering Program lead for Argonne's Energy Systems division.  At Argonne, Dr. Muehleisen leads research to increase the energy efficiency of the built environment. His projects include urban science and engineering, stochastic building energy modeling, reduced order building energy modeling, risk analysis of building energy retrofits, Bayesian Calibration methods for building energy models, agent based models for understanding adoption of retrofit technologies, smart building/smart grid integration, and the development of new technologies for measuring building infiltration and reducing energy losses through windows. Dr. Muehleisen is the author of over 140 publications, and is a frequent invited speaker in the areas of urban science and engineering, building energy modeling, architectural acoustics and noise control.   

Dr. Muehleisen currently holds a joint staff appointment in the Computation Institute at the University of Chicago and is an Adjunct Associate Professor of Civil, Architectural, and Environmental Engineering at the Illinois Institute of Technology.  Dr. Muehleisen is a licensed Professional Engineer, a LEED AP, a Board Certified Noise Control Engineer, and a Fellow of the ASA. He is a member of the Board of Directors of the Midwest Energy Efficiency Alliance, Co-Chair of the Urban Scale Modeling Research Subcommittee of IBPSA-USA, and Chair of the Data Driven Modeling subcommittee at ASHRAE.