OpenAI chief Sam Altman arrived in Sun Valley wearing a simple navy blue T-shirt and chunky white sunglasses from Vuarnet.

The glasses, inspired by 1970s ski masks, retail for $410, according to the brand's website.

Altman's entry into Sun Valley comes shortly after he said last month that Meta was "crazy" for trying to poach top AI talent from OpenAI with $100 million signing bonuses.

Apple's CEO, Tim Cook, arrived in Sun Valley in his signature simple style, wearing a navy polo, square-rim black glasses, and a fitness tracker on his wrist.

He had a bag slung over his shoulder and waved to the cameras.

Former Meta COO Sheryl Sandberg arrived in Sun Valley hand in hand with her husband, Tom Bernthal, the former CEO of consulting agency Kelton Global.

The pair was dressed for comfort — Sandberg wore a cropped black cardigan with a black top under, paired with light-wash blue jeans, while Bernthal wore a collared cream sweater and gray slacks.

Sandberg stepped down from Meta in 2022. She is the founder of LeanIn.Org, a nonprofit organization for women.

Amazon chief executive Andy Jassy came to Sun Valley in a printed T-shirt with a blue button-down thrown over, paired with black sunglasses.

The Sun Valley retreat comes shortly after Jassy said AI will eliminate some jobs at Amazon, but create some roles in AI and robotics.

On the first day of the conference, Bob Iger, Disney's CEO, wore a white polo shirt and black-tinted sunglasses to complete the look.

Rivian's CEO, RJ Scaringe, arrived at Sun Valley on day one sporting a navy Thalia Surf baseball cap, a Rivian logo tee, and a smart fitness tracker.

He recently talked to BI about the impact President Donald Trump's new Big, Beautiful Bill would have on Rivian, an EV company.

Microsoft's CEO, Satya Nadella, wore a navy polo with contrast piping, an SV25-branded cap, and sleek frameless glasses for the occasion.

Nadella recently said that the hardest challenge with AI was not building or deploying it, but rather getting employees to change the way they work.

Yahoo's CEO Jim Lanzone opted for a laid-back style at Sun Valley — dressed in a navy crewneck tee, gray utility pants, and black sunglasses hanging from his collar.

Uber CEO Dara Khosrowshahi wore athleisure at Sun Valley: a fitted blue T-shirt, a navy SV-branded cap, and dark shades hanging from his collar.

He had a sweatshirt tied around his waist and a cup of coffee in his hand.

The CEO recently weighed in on an important question many Uber users have: when customers should tip.

"Tipping is entirely optional," Khosrowshahi said in a June interview on CBS Sunday Morning. "But if you feel like you got a good ride, if the service quality was terrific, then you can tip through the app."

Warner Bros. Discovery's CEO, David Zaslav, flashed photojournalists a winning smile as he arrived at Sun Valley.

Dressed in a pale gray cargo jacket with a blue shirt underneath, white pants, and aviator-style glasses.

Warner Bros. Discovery shareholders recently rejected a 4% pay raise proposal for Zaslav, as the company battles declining sales and a falling stock price.

General Motors' CEO, Mary Barra, arrived in Sun Valley wearing a crisp white blouse with flared cuffs, paired with beige trousers.

She accessorized the outfit with a quilted black Dior tote, a black portfolio, and a pair of black sunglasses, which she carried in her hand.

Netflix's co-CEO Ted Sarandos kept it simple at Sun Valley, flashing a relaxed wave in a charcoal polo shirt.

Sarandos recently spoke out about how AI won't replace humans in storytelling but could help creators make movies on much smaller budgets.

Netflix's finance chief, Spencer Neumann, strode into the conference dressed in a black polo and relaxed-fit jeans, with a brown outerwear in hand and holding a carry-on.

Bobby Kotick, the former CEO of video gaming company Activision Blizzard, stepped into Sun Valley sporting a crisp white polo, gray trousers, and aviator shades tucked at the collar.

The ex-CEO last year expressed interest in buying TikTok, which faces a divest-or-ban deadline in the US.

PayPal chairman and former Nike CEO John Donahoe kept things classic on the first day of the conference in a navy polo, dark-wash denim jeans, and sunglasses clipped at the chest.

Donahoe stepped down as Nike's CEO last year and was replaced by longtime Nike veteran Elliott Hill.

News Corp.'s CEO, Robert Thomson, leaned into mountain casual at Sun Valley in a classic plaid flannel layers over a black T-shirt, light-wash jeans, and brown belt.

Thomson, 64, wore a black baseball cap and accessorized with red wristbands and silver jewelry.

Spotify's co-president, Alex Norström, stepped out in a textured gray jacket over a crisp white T-shirt.

He accessorized with chunky black sunglasses and reading glasses draped around his collar.

Former Disney CEO Michael Eisner kept it cozy on the first day of the conference, donning a soft blue sweater layered over a striped button-down. He also wore a thin leather necklace with a ring around his neck.

Eisner, 83, paired the look with round-frame sunglasses and a bright blue baseball cap. He stepped down as Disney's CEO 20 years ago.

Environmental Defense Fund's president, Fred Krupp, kept it sharp and understated in a pale blue button-down and dark slacks.

He was pictures holding a dark navy blazer and a black zip portfolio.

Jared Kushner dressed in minimalist fashion at Sun Valley in a fitted black button-down, a black T-shirt underneath, paired with dark sunglasses.

He was pictured walking alongside Warner Bros. Discovery's CEO, David Zaslav.

LinkedIn's cofounder, Reid Hoffman, arrived in Sun Valley in a dark jacket, thrown over a blue shirt.

He was pictured alongside Yahoo's cofounder, Jerry Yang.

Hoffman recently said that Gen Z graduates are "enormously attractive" hires to employers because of their familiarity with AI.

Yahoo's cofounder, Jerry Yang, kept it functional and on brand at Sun Valley with a cobalt blue SV25 North Face polo, paired with a smartwatch and half-rim glasses.

The design of the smartwatch resembled that of a Garmin.

Brian Armstrong, the CEO of cryptocurrency exchange Coinbase, wore a minimalist outfit to Sun Valley: a plain, tight-fitting black tee, a navy cap, and a matching jacket tucked under one arm.

Bill McDermott, CEO of software company ServiceNow, waved to photojournalists as he arrived in Sun Valley in a black utility jacket, beige collared shirt, and red-tinted shades.

CBS Mornings co-host Gayle King arrived in Sun Valley in radiant summer whites, wearing a sleeveless blouse and layered pearl necklaces.

She accessorized with chunky white bangles, cat-eye glasses, and held a bright yellow phone in her hand.