Google has made what might be one of its most significant leadership moves in the AI space in a while. Jeff Dean, who has been one of Google's senior-most and most influential engineers for decades, is leaving the company after 27 years in order to launch his own artificial intelligence company. Meanwhile, Alphabet has restructured its AI leadership, bringing in Demis Hassabis, Google DeepMind CEO, in a new role as the Alphabet Chief Scientist.Among the several executive changes being made by Google, the most important news comes out of Dean's resignation from the company. Widely considered to be an architect behind the revolution in Google's AI and infrastructure capabilities, Jeff Dean has helped develop much of the technology used by Google's search, cloud, and AI offerings.About The AuthorJournalist and a writer with a strong interest in news, culture, technology, and human-interest stories. Passionate about making complex topics accessible and engaging.Jeff Dean exits Google after nearly three decadesThe decision was made by Google CEO Sundar Pichai in his blog entry, where he stated that Dean's exit from Google was a friendly one, rather than a sudden one."Jeff Dean is at the point where he'd like to do something different, and I'm really excited to support him on this journey," said Pichai.He will be founding an artificial intelligence startup along with Google fellow Sanjay Ghemawat, who is one of the people responsible for the company's infrastructure of large-scale computing. The company has already announced its investment in the new venture, which suggests that the relationship between the company and the ex-Google employees is good.While initially Pichai did not say much about the company, he stated that their goal would be to make advancements in machine learning, engineering and science.However, not long after the news became known, Jeff Dean announced via X that the name of the startup will be Discovery Loop. It will be a public benefit corporation, and the aim of it will be developing artificial intelligence solutions for scientific and engineering purposes, just like the companies such as OpenAI and Anthropic.Jeff Dean's legacy at GoogleDean has been with Google since its early days in 1999. In the close to three decades that followed, he has become one of the most esteemed computer scientists in Silicon Valley, shaping the direction of Google's technological developments.More articles by AuthorTrending StoriesThrough his efforts, he has contributed to the different stages of Google's technology development process. He was involved in the design of some of the critical aspects of the company's distributed computing system, such as MapReduce, Bigtable, and TensorFlow, that have shaped cloud computing and machine learning technology.Over the past few years, Dean has been in charge of Google's AI research projects as part of its competition with other firms like OpenAI, Anthropic and Microsoft's AI efforts.Moreover, his contributions went further than just the technological side of Google's consumer products. Many of the AI models, infrastructure systems and developer tools available on Google Cloud have been developed using technology that Dean has pioneered.Additionally, he has had an active role in developing Tensor Processing Units (TPUs), custom AI processing chips built by Google to accelerate machine learning workloads across the company's services and cloud offerings.His departure therefore marks the end of an era for Google, even though he will continue working closely with the company through its investment in Discovery Loop.Discovery Loop will focus on AI for scienceThe new startup founded by Dean seeks to expand the use of AI beyond chatbots and consumer products.As per his statement, Discovery Loop will target scientific research and engineering fields, where AI is being increasingly applied to speed up breakthroughs in medicine, materials science, biology, and physics.While most traditional AI startups are dedicated to either enterprise software or generative AI assistants, Discovery Loop will be set up as a public benefit corporation.This form enables the startup to combine commercial interests with other social interests, much like the structures at OpenAI and Anthropic.As of now, Dean hasn’t revealed any information about funding and product roadmaps, but the backing from Google is a good start for the venture.Demis Hassabis takes on broader Alphabet roleWhile Dean leaves, Alphabet has been transforming its high-ranking AI management structure.Demis Hassabis, the CEO of Google DeepMind, will be leaving his everyday operational management duties at DeepMind to take up the position of Chairman of Google DeepMind and simultaneously serve as the Chief Scientist of Alphabet.The newly-created position will enable Hassabis to devote himself to the firm's long-term artificial intelligence strategy, instead of being preoccupied with management tasks."This is the perfect moment for me to leave behind my day-to-day operational responsibilities at GDM, so I have the space to think about the big picture and make sure that my contribution can influence what lies ahead," Hassabis stated in a post published on X.Hassabis said that he would be working together with Sundar Pichai on AI initiatives throughout Alphabet.Hassabis was one of the founders of DeepMind, which was later acquired by Google in 2014. Hassabis has led many groundbreaking projects at Google's AI department, including the Gemini family of large language models.Koray Kavukcuoglu to lead Google DeepMindAs Hassabis shifts gears into a more strategic position, Google has tapped DeepMind's CTO Koray Kavukcuoglu to take charge of its artificial intelligence unit.Kavukcuoglu had been handling the development of Google's next-gen Gemini 4 AI and would now be reporting to Pichai.This shift in management happens at a time when Google is pushing ahead aggressively in its investments in advanced AI models to beat OpenAI, Anthropic and other companies.Google is working on an expanded line of Gemini AI models catering to developers, businesses, and consumers in addition to investing in AI hardware and software infrastructure.Leadership changes come amid Google's massive AI investmentsThis executive shake-up is coming at one of the busiest times in Google's history.At the moment, Alphabet is investing hundreds of billions of dollars in building new infrastructure for AI, data centers and custom TPUs needed not only to develop its own AI but also to satisfy the needs of its cloud computing customers.These investments have become increasingly costly. Recently, Alphabet announced negative free cash flow for the first time in its history due to the record level of capital expenditures, with estimates of up to $205 billion in AI investments this year.However, the company's AI division remains to grow very fast.During the latest quarter, Google Cloud showed an impressive 82% year-over-year revenue growth, outperforming the growth of Amazon Web Services and Microsoft Azure.Addressing the investors during the earnings report conference call, Pichai said that the growth was largely driven by the demand for AI infrastructure, Gemini models and Google's TPUs.Also, he mentioned that the company remains supply constrained. "Demand for our models is translating to strong token usage across developers and enterprise customers, and we continue to be supply constrained, a sign of momentum and rapid adoption," said Pichai.What Jeff Dean's departure means for GoogleWhile it is clear that Google’s ambitions regarding the future of AI have not changed at all, the departure of Jeff Dean can be considered an end to the career of one of the most influential technical leaders in the company.Indeed, there have been very few engineers who have made as significant of contributions to Google as Jeff Dean. He was instrumental in developing the infrastructure that powered Search and laid down the foundations for the development of modern AI and cloud computing technologies.However, at the same time, it is also worth noting that Google’s investment in Discovery Loop can be viewed as an indication that the company understands the value of close relationships with one of its most talented researchers even after his departure from Google.In terms of Alphabet, it becomes clear that the reorganization has been done in order to maintain both continuity and new leadership. Hassabis is going to develop the company’s long-term AI strategy, Kavukcuoglu is going to be responsible for AI development, and Dean is going to pursue scientific AI research independently.As the race to build increasingly capable AI systems intensifies, Google's leadership changes underscore how central AI has become to the company's future and how even its most iconic engineers are beginning a new chapter beyond Mountain View. FAQsWhy Jeff Dean is leaving Google?According to Google CEO Sundar Pichai, Jeff Dean is leaving Google to pursue his passion for "trying something new". He will be co-founding a new AI startup called Discovery Loop along with Google veteran Sanjay Ghemawat.What is Discovery Loop?Discovery Loop is Jeff Dean's new AI startup focused on accelerating scientific and engineering discoveries using artificial intelligence. It will operate as a public benefit corporation.Who is going to replace Jeff Dean at the position of Google's Chief Scientist?Demis Hassabis has been named the Chief Scientist of Alphabet Inc. and therefore, the role of Jeff Dean will be carried forward by him. Also, Demis Hassabis will serve as Chairman of Google DeepMind.What has Demis Hassabis' new job description at Alphabet?Demis Hassabis has left his job as CEO of Google DeepMind. However, now he will serve as Chairman of Google DeepMind and the Chief Scientist of Alphabet Inc.Who will now lead Google DeepMind?Koray Kavukcuoglu, the Chief Technology Officer of Google DeepMind has been promoted to head the AI division of Google. He will supervise the development of Gemini 4 AI model and will report directly to the CEO of Google.end of article