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Jean-loup Gailly is an author of gzip. He wrote the compression code of the portable archiver of the Info-ZIP and the tools compatible with the PKZIP archiver for MS-DOS. He worked over zlib in collaboration with Mark Adler. He prefers to write his hyphenated first name with only the J but not the l (ell) capitalized.
From 2006 to 2014, he worked at Google as a Tech. Lead Manager.