David M. Rosen, a visionary entrepreneur and co-founder of the iconic video game company Sega, passed away peacefully on December 25, 2025, at his home in Los Angeles, California, at the age of 95. His death marks the end of an era for an industry he helped shape from its nascent stages into a global phenomenon. Rosen's pioneering spirit and strategic acumen were instrumental in establishing the foundations of modern arcade and home gaming, leaving an indelible mark on entertainment worldwide.

Born in Brooklyn, New York, on January 22, 1930, Rosen's journey into the world of entertainment began far from home. He served in the U.S. Air Force from 1948 to 1952, primarily stationed in Japan during the Korean War. Following his military service, he made the pivotal decision to remain in Japan, recognizing the immense potential in the post-war economy. In 1954, he founded Rosen Enterprises, initially focusing on exporting Japanese art and establishing photo studios for identification cards, known as Photorama. This early venture laid the groundwork for his future in amusement.

A decisive turning point came in 1957 when Rosen shifted his company's focus to importing and operating American coin-operated amusement machines in Japan. His foresight in catering to a growing leisure market proved immensely successful. In 1965, Rosen Enterprises merged with Nihon Goraku Bussan, also known as Service Games, giving birth to Sega Enterprises Ltd. Rosen assumed the roles of CEO and President, steering the newly formed company toward innovation. Under his leadership, Sega released its first original electromechanical arcade game, "Periscope," in 1966, which achieved massive international success and cemented Sega's reputation as a major player.

Rosen's influence extended beyond Sega itself; he co-founded the Japan Amusement Association in 1967, serving as its first chairman to help structure the emerging industry. After Sega was acquired by Gulf+Western Industries, Rosen played a crucial role in a 1984 management buyout that restored Sega's independence. He then established Sega of America in 1986, overseeing the launch of iconic home consoles such as the Master System and the Mega Drive (Genesis in the U.S.), which defined a generation of gamers. Rosen retired from Sega in 1996, after more than four decades of profound contributions.

His legacy is one of relentless innovation and a deep understanding of the entertainment landscape. Rosen's ability to identify and nurture talent, coupled with his strategic vision, transformed arcades into cultural phenomena and propelled Sega to the forefront of the video game industry. He was inducted into the International Association of Amusement Parks and Attractions (IAAPA) Hall of Fame in 2023, a testament to his enduring impact. David Rosen leaves behind an immense legacy that continues to resonate throughout the global gaming community.