Prof. Ratner is a leading expert in combustion, laser diagnostics, biomass gasification, droplet combustion, and medical technology. He received a B.S. from the California Institute of Technology (Caltech) in 1995 and a Ph.D. from the University of Michigan in 2000. He then returned to Caltech as a Guggenheim Post-Doctoral Fellow; and since 2003, he has been on the faculty of the University of Iowa. Prof. Ratner has published or presented over 125 scientific papers which have then been cited over 2000 times, is an ASME Fellow, and is a Senior Member of AIAA. He was a member of the Executive Committee of the US Central States Section of the Combustion Institute 2012-2024 and chaired the 2021 US National Combustion Meeting. Prof. Ratner has also held multiple positions within ASME, including as the Chair of the Combustion and Fire Technical Committee (2017-2019), International Mechanical Engineering Congress and Exposition (IMECE) Steering Committee member (2019-2024), and is the General Conference Chair of the 2024 ASME IMECE. Prof. Ratner has also presented short courses for other leading academic institutions including Tsinghua University, Shanghai Jiao Tong University, and the Federal University of Brazil in Itajuba. Prof. Ratner also serves as Topic Editor for both Processes and Energies Journals, is the co-author of multiple patents, and co-founder of several companies working to commercialize the results of his research.