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David Rosen, Sega Co-Founder, Dies at 95

1/5/2026

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Summary

Story summary

David Rosen, co-founder of Sega, died at 95.
Rosen helped grow the video game industry in Japan and the United States after serving in the Korean War.
Rosen transformed Sega from importing arcade games to designing its own, including the rebranding of the Mega Drive as Genesis for the U.S. market.
Rosen retired in 1996 after Sega released the Master System in 1986.

History

Historical Context

In 1986, Sega launched the Master System, a rebranded version of the Mark III, as it transitioned from arcade games to home consoles. Co-founder David Rosen played a pivotal role in this shift, advocating for innovation amid declining arcade revenues. Despite selling 1.5 to 2 million units in North America, the Master System struggled against Nintendo's dominance, yet it found success in Europe and Brazil.

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Story summary

David Rosen, co-founder of Sega, died at 95.
Rosen helped grow the video game industry in Japan and the United States after serving in the Korean War.
Rosen transformed Sega from importing arcade games to designing its own, including the rebranding of the Mega Drive as Genesis for the U.S. market.
Rosen retired in 1996 after Sega released the Master System in 1986.

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