Naomi Osaka isn't playing nice at the Australian Open. She's in her unapologetic era.

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Naomi Osaka playing at the Australian Open
Naomi Osaka plays at the Australian Open 2026.

Robert Prange/Getty Images

I was a pro tennis player who pivoted to tech in my 30s and rose to the C-suite. Here's my advice for anyone wanting to switch careers.

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headshot of a woman with a gray background
Louise Allen.

Courtesy of Louise Allen

Pizza chain once backed by NBA star Kevin Durant hits bankruptcy court

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Kevin Durant (L) next to a Pieology storefront
Kevin Durant (L) next to a Pieology storefront

Getty Images/BI composite

Serena Williams says starting her career so young ended up helping her as a mom

Tech Insider : Business
Serena Williams.
Serena Williams says years of hard work in her youth gave her the chance to focus on her family at this stage of her life.

Victor Boyko/Getty Images for Gucci

Novak Djokovic is winning titles at 38. He credits his longevity to 3 simple things.

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Novak Djokovic of Serbia celebrates after winning against Nuno Borges of Portugal during the Hellenic Championship ATP 250.
Novak Djokovic celebrates after winning during the Hellenic Championship in November 2025.

Costas Baltas/Anadolu via Getty Images

I quit investment banking at Citi and professional tennis after burning out. I learned about when to walk away from a job.

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Vitoria Okuyama playing tennis, left, and the NYSE, right.
Vitoria Okuyama played tennis professionally before going into investment banking.

Courtesy of Vitoria Okuyama

Serena Williams wishes she had a mentor when she started her VC career. Here are her 3 tips for founders.

Tech Insider : Business, Economy
Serena Williams
Serena Williams is the "entrepreneur-in-residence" at Reckitt Catalyst, mentoring founders focused on social impact.

TheStewartofNY/WireImage

Coco Gauff swears by 'boring' agility workouts and fruit salad — a routine built for longevity

Tech Insider : Business, Sports
Coco Gauff on the court
For Coco Gauff, 21, every day of training is an investment in her future.

Mary Beth Koeth / Gallery Stock

The highest-paid tennis players in the world, ranked

Tech Insider : Sports, Sports, Business
Coco Gauff of Team United States celebrates winning match point against Ajla Tomljanovic of Team Australia during the Women's Singles first round match on day two of the Olympic Games Paris 2024 at Roland Garros on July 28, 2024 i
Coco Gauff of Team United States celebrates winning match point against Ajla Tomljanovic of Team Australia during the Women's Singles first round match on day two of the Olympic Games Paris 2024 at Roland Garros on July 28,

Taylor Swift, Simone Biles, Elon Musk: See all the A-list celebrities spotted at the US Open Tennis Championships

Tech Insider : Sports
Taylor Swift, Travis Kelce, Patrick Mahomes, and Brittany Mahomes attended the men's singles final of the US Open.
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