Apple’s Executive Shake-Up Signals a Bold New Era for Siri Apple is stirring the pot in its quest to reclaim ground in the artificial intelligence race. On Thursday, a significant leadership shift rocked the company’s AI division, with Bloomberg reporting that CEO Tim Cook has “lost confidence” in John Giannandrea, the Senior Vice President of Machine Learning and AI Strategy. Giannandrea, who has helmed Apple’s AI efforts since 2018, is no longer steering Siri’s product development. Instead, Mike Rockwell, the executive behind the groundbreaking Vision Pro, is stepping in to lead the charge. As of Sunday, March 23, 2025, this shake-up hints at a pivotal moment for Siri—and Apple’s broader AI ambitions.

Conceptual image of a sleek iPhone displaying a revamped Siri interface, highlighting the Siri AI revamp under Mike Rockwell’s leadership in Apple’s 2025 executive shake-up.

Mike Rockwell’s appointment isn’t just a reshuffle—it’s a statement. Known for driving the Vision Pro to market, Rockwell brings a proven track record of delivering complex, user-focused tech. His new role sees him reporting to software chief Craig Federighi, while Giannandrea shifts focus to foundational AI research, staying on but relinquishing Siri’s day-to-day reins. This isn’t Rockwell’s first brush with Siri either; insiders say he’s long critiqued its shortcomings, pushing for a more personalized assistant behind the scenes. Now, he’s got the keys to make it happen.

The timing couldn’t be more telling. Siri, once a pioneer when it launched in 2011, has struggled to keep pace with modern AI assistants like Amazon’s revamped Alexa or Google’s Gemini. Users have griped about its clunky responses and limited conversational depth—flaws exposed further as competitors lean into generative AI. Rockwell’s task? Turn Siri into a smarter, more intuitive companion that can rival the best, without losing Apple’s signature polish.

A screenshot showcasing the new iOS 18.2 Live Activities feature on an iPhone lock screen.

Why the Change Matters

This shake-up follows months of turbulence for Apple’s AI efforts, branded as Apple Intelligence. Promised upgrades—like a Siri that understands personal context or handles in-app tasks—have hit snags, with key features delayed to 2026. Bloomberg notes Cook’s frustration stems from these setbacks, signaling a need for fresh momentum. Rockwell’s Vision Pro success suggests he’s the right pick to cut through the noise and deliver results. His team’s already getting reinforcements, too, with senior manager Aimee Nugent joining from the Vision group to tackle Siri’s overhaul.

For users, this could mean a Siri that finally lives up to its potential. Imagine asking it to dig through your emails for a friend’s podcast recommendation or to book a flight based on your calendar—tasks it’s fumbled in the past. Rockwell’s vision, paired with Apple’s knack for seamless hardware-software integration, could make your iPhone, Watch, or Mac feel more like a proactive partner than a tool.

The Bigger AI Picture

Apple’s not just playing catch-up—it’s recalibrating. The company’s leaned on third-party boosts, like ChatGPT integration, to shore up Siri’s gaps, but that’s a stopgap. Rockwell’s leadership signals a push for in-house innovation, likely tied to a “large language model” Siri that Gurman predicts for spring 2026, possibly with iOS 19.4. This aligns with earlier moves, like tapping veteran Kim Vorrath in January to streamline AI operations, showing Apple’s doubling down on getting this right.

Competitors aren’t standing still, though. Samsung’s Galaxy S25 already boasts AI that acts on users’ behalf, a benchmark Apple needs to hit. Rockwell’s challenge is steep: blend cutting-edge AI with Apple’s privacy-first ethos, all while dodging the “slop” of low-quality AI flooding the market, as Google researchers warned last month. If he pulls it off, Siri could leap from punchline to powerhouse.

What’s Next

As we roll toward WWDC 2025, all eyes are on Rockwell’s team. Will they unveil a Siri that feels fresh yet familiar, or will delays linger? For now, this shake-up has sparked optimism—9to5Mac’s Michael Burkhardt sees it as a sign Apple’s taking Siri seriously again. For tech users, it’s a glimmer of hope that their daily driver might soon get a brain upgrade worth bragging about. Stay tuned; Apple’s AI story is just heating up.

A person with short gray hair and glasses, wearing a dark shirt, smiles indoors as Siri announces their achievement. Blurred figures and clapping hands are visible in the background.

Tom Richardson
About the Author

Tom is a passionate tech writer hailing from Sheffield, England. With a keen eye for innovation, he specializes in exploring the latest trends in technology, particularly in the Apple ecosystem. A devoted Mac enthusiast, Tom enjoys delving into the intricacies of macOS, iOS, and Apple’s cutting-edge hardware.