Dr. Rafal Gieleciak is a senior research scientist at CanmetENERGY Devon, Natural Resources Canada. His work focuses on the analytical characterization of complex fuels and energy-related materials, with strong and rich expertise in gas chromatography, multidimensional separations, and mass spectrometry. His research supports the development and evaluation of conventional and emerging energy technologies for the production of clean fuels, including petroleum-derived fuels and biomass-derived renewable biofuels. He is the author and co-author of numerous peer-reviewed publications, as well as technical client reports.