The victim, who was found on Wednesday deceased in a conference room at Apple's campus in Silicon Valley, was identified as 25-year-old Edward Thomas Mackowiak of Santa Clara, California.
"The Medical Examiner determined the manner of death was suicide and the cause was a gunshot to the head," the Santa Clara County Sheriff's Office said in a written statement.
RELATED: See more reports from the initial story
Report: Dead body found at Apple
Police: Apple employee died of self-inflicted gunshot wound
A Santa Clara county Sheriff's Office vehicle is shown parked outside one of the main office buildings of the Apple campus in Cupertino, California, April 27, 2016. An Apple employee was found dead on Wednesday, according to police, and local media was reporting that the victim had suffered a head wound and a gun discovered near his body. REUTERS/Julia Love
Apple's headquarters on Infinity Loop is seen in Cupertino, California in this aerial photo taken April 6, 2016. REUTERS/Noah Berger/File photo
#Breaking- Person found dead in conference room on #Apple campus in Cupertino according to law enforcement source.
Source: Law-enforcement investigating after person found dead on Apple's Cupertino campus in conference room.
Sheriff investigation at #Apple headquarters in Cupertino. A body was found in a conference room. https://t.co/HC7UBPWROM
Santa Clara County Sheriff investigates body found on Apple's Cupertino HQ. https://t.co/SQvwL2IzWB https://t.co/DGLhelIKw7
In this image provided by the U.S. Geological Survey, the headquarters for Apple Computer in Cupertino, Calif., is seen in this image, date unknown. Internet sleuths discovered that anyone using Microsoft's new "Virtual Earth" Web site for a birds-eye view of Apple's corporate headquarters saw only a grainy overhead photograph of what appears to be a single, nondescript warehouse and deserted parking lot, not Apple's sprawling campus with 11 modern buildings surrounding a plush courtyard. Microsoft said Monday, July 25, 2005, it's new mapping service was still in its testing phase and includes some older, black-and-white photographs from October 1991 for the neighborhood around Apple's headquarters
The exterior of Apple headquarters is seen before an event to announce new products at the company's headquarters, Monday, March 21, 2016, in Cupertino, Calif. (AP Photo/Marcio Jose Sanchez)
The exterior of Apple headquarters is seen before an event to announce new products at the company's headquarters Monday, March 21, 2016, in Cupertino, Calif. (AP Photo/Marcio Jose Sanchez)
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An Apple spokesman declined to comment on Thursday or say what Mackowiak did for the company, but a LinkedIn profile that has since been taken down listed him as a software engineer.
There was no immediate word on what might have led Mackowiack to take his own life.
"We are heartbroken by the tragic loss of a young and talented coworker," the company said in a statement issued late on Wednesday. "Our thoughts and deepest sympathies go out to his family and friends, including the many people he worked with here at Apple."
Apple's so-called Infinite Loop campus is the hub for the company's workforce in Cupertino, which numbers 16,000 employees, according to a 2013 report on the company's economic impact. The company is constructing another campus in the city, a massive loop of glass often likened to a spaceship.
Apple on Tuesday reported its first-ever decline in iPhone sales and its first revenue drop in 13 years.