Carl Sassenrath

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Carl Sassenrath
Born	1957 (age 66–67) California, U.S.
Alma mater	University of California, Davis
Occupation(s)	Systems programmer Programming language designer
Employer(s)	Commodore International Apple Inc. Hewlett-Packard Roku, Inc.
Known for	AmigaOS, CDTV, REBOL

Carl Sassenrath (born 1957 in California) is an architect of operating systems and computer languages. He brought multitasking to personal computers in 1985 with the creation of the Amiga Computer operating system kernel,^[1] and he is the designer of the REBOL computer language, REBOL/IOS collaboration environment, the Safeworlds AltME private messaging system, and other products. Carl was a Principal Engineer at Roku, Inc. until his retirement in November 2023.^[2]