Circumstances of Death and Perpetrator Both Unclear... "Police Investigation Underway"
Musk "Deeply Regrets"... IT Industry Celebrities Mourn

A well-known entrepreneur in his 40s, famous in the U.S. startup scene, was suddenly stabbed and passed away.


According to Bloomberg and other sources on the 5th (local time), Bob Lee (43), the founder of the mobile payment service Cash App, was stabbed around 2:35 a.m. the previous day near downtown San Francisco, USA. Police responded to the report and transported him to the hospital, but he ultimately died shortly after arrival.


The exact circumstances of his death have not been disclosed, and the perpetrator has not yet been apprehended. The San Francisco Police Department stated that an investigation is currently underway.


Founder of Cash App, Bob Lee (Photo by Bob Lee LinkedIn page)

Founder of Cash App, Bob Lee (Photo by Bob Lee LinkedIn page)

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Although the police did not confirm the identity of the deceased, local media such as The New York Times (NYT) and CNN reported his death through his family. Lee’s father, Richard Lee, posted on social media, "Bobby worked harder than anyone and was the smartest person I knew," adding, "Everyone who knew him will miss him."


Lee was a co-founder of Cash App, a platform that allows money transfers via mobile phone apps in the U.S. and the U.K., and was a well-known entrepreneur in the United States.


In 2010, he was the first Chief Technology Officer (CTO) of Block (formerly Square), a fintech company founded by Twitter co-founder Jack Dorsey. While serving as Block’s CTO, he developed Cash App. In 2021, he became the Chief Product Officer (CPO) of the cryptocurrency startup MobileCoin. In his twenties, he worked as a software engineer at Google and participated in Android development.


Following the news of his death, waves of condolences poured in on social media. The IT industry, especially those closely connected to him, was deeply shocked.


Dorsey, CEO of Twitter, wrote on his social media, "Heartbreaking," adding, "He played a crucial role at Square and Cash App." Joshua Goldbard, CEO of MobileCoin, mourned, saying, "He created a new world, was a quintessential creator and leader, and a perfect hacker."


Dylan Field, CEO of the design platform Figma, recalled on Twitter, "I first met him in 2006. He didn’t care that I was 14 years old and talked about programming with me." Gary Tan, CEO of Y Combinator, expressed sorrow over his death, calling it "a huge loss for the tech community and San Francisco."


Elon Musk, CEO of Tesla, also retweeted, saying, "Very sorry to hear about his death." According to his LinkedIn page, Lee had also invested in SpaceX and the social audio application Clubhouse.



The sudden death of the famous entrepreneur has raised serious concerns about safety in San Francisco. The IT industry has pointed out safety issues for years, including a sharp increase in homelessness. Recently, with the acceleration of remote work and large-scale layoffs, the downtown area has become deserted. Brooke Jenkins, San Francisco District Attorney, expressed condolences to Lee’s family on her Twitter and stated, "We will not tolerate such horrific acts of violence occurring in San Francisco."


This content was produced with the assistance of AI translation services.

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