Stefan Schlamp, Deutsche Börse 

Caltech-trained rocket scientist who, after 7 PostDoc years doing numerical and experimental research in hypersonic fluid mechanic, made the switch to finance. Since then, 15 years in HFT working for, among others, Susquehanna, Goldman Sachs, and Optiver trading cash equities and futures, in Europe and the US, on lit and dark venues, aggressively and passively, as quant/dev and trader. At Deutsche Börse since Feb 2022.