Jean-Loup Gailly - is an author of gzip

Gzip

Gzip is any of several software applications used for file compression and decompression. The term usually refers to the GNU Project's implementation, "gzip" standing for GNU zip. It is based on the DEFLATE algorithm, which is a combination of Lempel-Ziv and Huffman coding...

. He wrote the compression code of the portable archiver of the Info-ZIP

Info-ZIP

Info-ZIP is a set of open-source software to handle ZIP archives. It has been in circulation since 1989. It consists of 4 separately-installable packages: the Zip and UnZip command-line utilities; and WiZ and MacZip, which are graphical user interfaces for archiving programs in Microsoft Windows...

 and the tools compatible with the PKZIP

PKZIP

PKZIP is an archiving tool originally written by Phil Katz and marketed by his company PKWARE, Inc. The common "PK" prefix used in both PKZIP and PKWARE stands for "Phil Katz".-History:...

 archiver for MS-DOS

MS-DOS

MS-DOS is an operating system for x86-based personal computers. It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatible personal computers during the 1980s to the mid 1990s, until it was gradually superseded by operating...

. He worked over zlib

Zlib

zlib is a software library used for data compression. zlib was written by Jean-Loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. Zlib is also a crucial component of many software platforms including Linux, Mac OS X,...

 in collaboration with Mark Adler

Mark Adler

Dr. Mark Adler may be best known for his work in the field of data compression. Adler is the author of the Adler-32 hash function, a co-author of the zlib compression library and gzip, has contributed to Info-ZIP, and has participated in developing the Portable Network Graphics image format...

.

He wrote a chapter on fractal image compression for Mark Nelson's The Data Compression Book.

From 1990 to 1995, he designed the real-time executive of the ChorusOS

ChorusOS

ChorusOS is a microkernel real-time operating system designed for embedded systems. Sun Microsystems acquired Chorus Systèmes, the company which created ChorusOS, in 1997. Sun no longer supports ChorusOS. The founders of Chorus Systems started a new company called Jaluna in August 2002. Jaluna has...

 microkernel

Microkernel

In computer science, a microkernel is the near-minimum amount of software that can provide the mechanisms needed to implement an operating system . These mechanisms include low-level address space management, thread management, and inter-process communication...

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From 1999 to 2001, he was the CTO of Mandrakesoft.

Since October 2006, he works at Google

Google

Google Inc. is an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program...

 as a Tech. Lead Manager.

His interests include computer security and the game of Go.

External links

• Jean-Loup's home page
• Jean-Loup Gailly On gzip, go, And Mandrake, an interview on Slashdot
  Slashdot
  Slashdot is a technology-related news website owned by Geeknet, Inc. The site, which bills itself as "News for Nerds. Stuff that Matters", features user-submitted and ‑evaluated current affairs news stories about science- and technology-related topics. Each story has a comments section...