Karthik Ramakrishnan, who has been with Amazon for 13 years, is resigning. It was unclear whether he had another job secured, and Ramakrishnan did not reply to a request for a statement.

Artificial general intelligence, known as AGI, is a technology in development that researchers think may eventually match or surpass human intelligence. If perfected, AGI could enhance the automation of tasks currently performed by humans, potentially transforming areas such as warfare, healthcare, and stock trading.

Ramakrishnan was involved in the initial version of Amazon's Alexa voice assistant and its related Echo devices. His career started at Netscape, and he later transitioned to TellMe Networks, which was purchased by Microsoft, as noted on his LinkedIn profile.

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His exit is one of several high-profile departures in recent months, including Vasi Philomin, a vice president overseeing generative AI progress, and Jon Jones, who headed the AWS global startups and venture capital division.

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Amazon aims to strengthen its standing in creating AI software and services as competitors such as OpenAI and Google have gained market presence. It has allocated approximately $8 billion to the startup Anthropic and incorporates its Claude AI model into products such as Alexa and an internal chatbot called Cedric.

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During an internal all-hands meeting on Thursday, AWS leader Matt Garman urged employees to adhere to product release timelines, stating that Amazon can "lose some of that buzz" if customers have to wait to experience new services, as reported.