Jeff Dean Leaves Google After 27 Years to Found AI Startup Discovery Loop

Jeff Dean, Google's legendary engineer and 30th employee, announced his departure after 27 years to launch a new AI startup called Discovery Loop, aiming to automate machine learning, science, and engineering. His exit caused Google's stock to drop 5.4%, reflecting his immense impact on the company's infrastructure and AI development. At Google, Dean was instrumental in building foundational technologies such as MapReduce, BigTable, Spanner, and Protobuf, and later led the creation of Google Brain, TensorFlow, and TPU, helping transform Google into an AI powerhouse. He also played a key role in recruiting Geoffrey Hinton to Google in 2012. In the large model era, he led the Gemini series development. After the merger of Google Brain and DeepMind, control shifted to Demis Hassabis, and Dean stepped back from Gemini. Now, at 58, Dean is venturing into a new startup, Discovery Loop, with a mission to automate machine learning, science, and engineering. The article also recounts a rich collection of humorous memes about Dean, which originated from a 2008 internal Google website created by engineer Kenton Varda and later hosted on GitHub.