On April 5, 2023, Bob Lee, the founder of Cash App and former executive of Square, was stabbed and killed near downtown San Francisco. He was found with apparent stab wounds and taken to the hospital, where he later died of his injuries. The incident is currently under investigation by the police department’s homicide detail. Lee was 43 years old and is survived by his wife and two children.
Cash App founder Bob Lee fatally stabbed in San Francisco

The technology executive had been working as the chief product officer of the cryptocurrency company MobileCoin before his untimely death.
This article will explore Bob Lee’s life, his contributions to the tech industry, and the events surrounding his tragic passing.
Early Life and Education
Robert “Bob” Lee was born on December 22, 1979, in Chicago, Illinois. He grew up in Marin County, California, and attended the Branson School in Ross, where he graduated in 1998. Lee’s father, Richard Lee, was a successful entrepreneur and investor, while his mother was an artist.
Lee was a gifted student and attended the Massachusetts Institute of Technology (MIT) for one year before transferring to the University of California, Berkeley. He earned a Bachelor of Arts degree in Computer Science in 2001.
Career
After college, Lee started his career as a software engineer at Sun Microsystems, where he worked on the development of the Java programming language. He later worked at Google during the 2000s, where he helped develop Android.
In 2009, Lee joined Square, a financial technology start-up co-founded by Jack Dorsey, the former CEO of Twitter. At Square, Lee served as the chief technology officer and helped develop the company’s payment processing software. He worked at Square for over six years before leaving to start his own company, Cash App.
Cash App is a mobile payment service that allows users to send and receive money from their smartphones. The app has become increasingly popular in recent years, particularly among younger users. In 2018, Cash App had over 15 million active users, and the app’s parent company, Square, reported $3.3 billion in revenue.
In addition to his work with Cash App, Lee was also an investor in several other tech firms, including the social audio app Clubhouse and Elon Musk’s SpaceX venture.
Personal Life
Bob Lee was married to Krista Lee, and the couple had two children. Lee’s mother died in 2019, and he became particularly close with his father, who often posted about their relationship on social media. In October 2022, Lee and his father moved from California to Miami, Florida.
Legacy
Bob Lee’s contributions to the tech industry are significant. He helped develop Android, one of the most widely used mobile operating systems in the world, and he co-founded Cash App, which has revolutionized mobile payments. Lee was also an investor in several other successful tech ventures, including Clubhouse and SpaceX.
Lee’s death has sent shockwaves through the tech community. Joshua Goldbard, the founder and CEO of MobileCoin, where Lee worked as chief product officer, described him as a “dynamo, a force of nature.” Goldbard also praised Lee’s business acumen and described him as a “child of dreams.”
Lee’s family and friends have also spoken out about his passing. His father, Richard Lee, wrote on Facebook, “I just lost my best friend, my son Bob Lee when he lost his life on the street in San Francisco early Tuesday morning.” Lee’s brother, Tim Oliver Lee, also posted on Facebook, saying, “He really was the best of us. I was so fortunate to grow up with him, and I feel like I’ve lost part of myself.”
investigation and police have not yet provided any updates on the status of the investigation or any suspects.
In the aftermath of Lee’s death, tributes poured in from friends, family, and colleagues who remembered him as a visionary and a kind and generous person. Joshua Goldbard, the CEO of MobileCoin, said in a statement that Lee was “a dynamo, a force of nature,” who was “made for the world that is being born right now.”
“Bob was the genuine article,” Goldbard added. “He was a child of dreams, and whatever he imagined, no matter how crazy, he made real.”
Others who worked with Lee also praised his business acumen and his commitment to innovation. “Bobby worked harder than anyone and was the smartest person I have ever known,” Richard Lee, Bob Lee’s father, wrote in a Facebook post. “He will be missed by all those that knew him.”
Lee’s death has sent shockwaves through the tech industry and the wider community in San Francisco. His legacy as a pioneering entrepreneur and a generous and kind person will be remembered by many who knew him.
The Crime Rate in San Francisco
Lee’s death has reignited concerns about the high crime rate in San Francisco. According to recent crime statistics, San Francisco is one of the most dangerous cities in the United States, with high rates of violent crime and property crime.
In 2020, San Francisco saw a surge in crime rates, with a 28% increase in homicides compared to the previous year. The city also saw a 36% increase in car break-ins and a 27% increase in burglaries.
Some have blamed the rise in crime on the city’s response to the COVID-19 pandemic, which has led to economic hardship for many residents and a reduction in police funding. Others have pointed to the city’s liberal policies, which they say have made it a haven for criminal activity.
Whatever the cause of the crime surge, Lee’s death has highlighted the need for greater action to address the issue. San Francisco officials have pledged to increase police funding and to take steps to improve public safety, but the city’s residents and business owners remain concerned about the ongoing crime wave.
Conclusion
The death of Bob Lee is a tragic loss for his family, friends, and the wider tech community. Lee was a pioneering entrepreneur who helped to revolutionize the world of mobile payments, and his legacy will be remembered by many who knew him.
Bob Lee, Cash App founder and former Square executive, dead after ‘horrific’ act of violence
Lee’s death has also shone a spotlight on the high crime rate in San Francisco and the need for greater action to address the issue. While the city has taken steps to improve public safety, much more needs to be done to ensure that residents and visitors can feel safe in their communities.
As the investigation into Lee’s death continues, many are hoping that the perpetrator of this horrific crime will be brought to justice. In the meantime, the tech community will continue to mourn the loss of a true visionary and a kind and generous person.