Microsoft engineer fired following anti-Israel outburst at developer conference
May 22, 2025, 2:50 PM

Microsoft CEO Satya Nadella speaks during the OpenAI DevDay event on November 06, 2023 in San Francisco, California. (Photo: Justin Sullivan, Getty Images)
(Photo: Justin Sullivan, Getty Images)
Microsoft fired a staff member accused of interrupting a speech by the company’s CEO.
On Monday, now former Microsoft engineer Joe Lopez interrupted CEO Satya Nadella’s opening keynote at the company鈥檚 annual Build in Seattle before being removed by security. He said he’s upset that Microsoft supplies the Israeli military with Azure, the company’s cloud computing technology. Activists claim Israel uses the technology in its war against Hamas in Gaza, though Microsoft says this isn’t the case.
Lopez’s disruption was one of several at the four-day Build conference, which drew thousands of developers to the Seattle Convention Center. At least three executive presentations were disrupted, and Microsoft briefly cut audio during one live stream.
Why are activists upset with Microsoft?
Lopez later sent a company-wide email detailing his concerns.
鈥淎s one of the largest companies in the world, Microsoft has immeasurable power to do the right thing: demand an end to this senseless tragedy, or we will cease our technological support for Israel,鈥 Lopez鈥 email read, . 鈥淚f leadership continues to ignore this demand, I promise that it won鈥檛 go unnoticed. The world has already woken up to our complicity and is turning against us. The boycotts will increase and our image will continue to spiral into disrepair.鈥
The disruptions followed a morning protest where dozens of Microsoft workers rallied at Seattle鈥檚 Westlake Park. The demonstration was organized by, a group of current and former employees demanding that the company end any contracts connected to military operations in Gaza and Lebanon. The group also alleges that Microsoft has begun censoring internal communications by blocking emails that include terms such as 鈥淧alestine.鈥
According to No Azure for Apartheid, Lopez received a termination letter but has reportedly been unable to access it.聽
In February, an investigation spearheaded by the revealed that the Israeli military had used AI models developed by Microsoft to help identify targets for bombing campaigns. Although Microsoft did not win the contract with Israel in 2021, reports suggest the company has continued providing tools used in military and administrative operations.
Microsoft released a recent review stating that the company had found no evidence that its Azure cloud platform or AI technologies were used to target civilians in Gaza directly. However, this reassurance has failed to satisfy activists and employees.聽
This is not the first time the tech company has faced employee backlash over its defense contracts. Microsoft fired other staff who disrupted its 50th anniversary celebration in April with similar pro-Palestinian protests.