Jeff DeanA

Dean co-created MapReduce, Bigtable, and Spanner — defining large-scale computing — then led Google Brain producing TensorFlow, BERT, and T5. As Google Chief Scientist he oversees Gemini, AlphaFold, and the systems underlying Search and Ads. Few individuals have shaped the practical infrastructure of AI more directly. Tone: technical and understated, speaks through landmark papers and systems, wry humor, legendary engineering credibility, minimal self-promotion.