Pioneer Corporation (パイオニア株式会社, Paionia Kabushiki-kaisha^?) (TYO: 6773) is a multinational corporation that specializes in digital entertainment products, based in Kawasaki, Kanagawa, Japan. The company was founded in 1938 in Tokyo as a radio and speaker repair shop. Today, Pioneer is well known for technology advancements in the consumer electronics industry.

Pioneer played a role in the development of interactive cable TV, the Laser Disc player, the first automotive Compact Disc player, the first detachable face car stereo, Supertuner technology, DVD and DVD recording, plasma display (branded as Kuro), and Organic LED display (OLED). The company works with optical disc and display technology and software products and is also a manufacturer. Sharp Corporation took a 14% stake in Pioneer in 2007, which has been reduced to 9%, but Sharp still remains the majority shareholder of Pioneer Corporation, followed by Honda Motor Co., Ltd. who owns roughly 4% of Pioneer shares following a memorandum between the two companies in 2010 to strengthen business ties.

Kenneth Harry Olsen (February 20, 1926 – February 6, 2011) was an American engineer who co-founded Digital Equipment Corporation (DEC) in 1957 with colleague Harlan Anderson.

Kenneth Harry Olsen was born in Bridgeport, Connecticut and grew up in the neighboring town of Stratford, Connecticut. His father's parents came from Norway and his mother's parents from Sweden. Olsen began his career working summers in a machine shop. Fixing radios in his basement gave him the reputation of a neighborhood inventor.

After serving in the United States Navy between 1944 and 1946, Olsen attended the Massachusetts Institute of Technology, where he earned an BS (1950) and an MS (1952) degrees in electrical engineering.

During his studies at MIT, the Office of Naval Research of the United States Department of the Navy recruited Olsen to help build a computerized flight simulator. Also while at MIT he directed the building of the first transistorized research computer. Olsen was an engineer who had been working at MIT Lincoln Laboratory on the TX-2 project.