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BMW Motorrad Turkey Sales and Marketing Manager. Bitcoin enthusiast. Amateur guitarist and singer. PADI Rescue diver. Traveller.
Internet entrepreneur, philanthropist, and programmer. Co-founder and former CEO of Twitter, Inc., co-founder, principal executive officer, and chairperson of Block, Inc. Also a co-founder of Bluesky, PBLLC.
Astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, science communicator, author, and professor. Known for research on the possibility of extraterrestrial life, assembly of the Pioneer plaque and the Voyager Golden Record, and advocating for the greenhouse effect hypothesis on Venus.