Alexander Braun is a Professor of Geophysics in the Department of Geological Sciences and Geological Engineering and cross-appointed to the Department of Physics, Engineering Physics and Astronomy at Queen’s University. He received his PhD from the Johann Wolfgang Goethe University Frankfurt, Germany, and held positions in Germany, Switzerland, Canada and the US. His main research focus is on the exploitation and optimization of geophysical and geodetic surveys for improved target understanding in Earth System science. His research group uses satellites and Uncrewed Aerial Systems paired with innovative sensors to advance geophysical exploration. Throughout his career, he has contributed to audio-visual arts projects at the interface of art and science. In 2021, he founded geophysicsfortruth.org, a group of Canadian geophysicists providing pro bono expertise in GPR surveys and data processing for indigenous communities.