About Clozure
Clozure History
Clozure Associates was founded in 2000 by Gary Byers, Jeremy Jones, and Gail Zacharias. Andrew Shalit joined as a partner in 2007.

Clozure has built up its business by successfully completing many projects and gradually hiring the best available Lisp experts. We now have a world class staff and a large and talented pool of affiliates. We also have several experts in iPhone development.

Clozure Associates has been providing high-quality Common Lisp consulting services since the year 2000. With a core staff and a network of affiliates around the world, we can meet the needs of any Common Lisp programming project.

Contact Us
For software development enquiries: info@clozure.com.

For Lisp programming jobs: jobs@clozure.com.

Our Office
1368 Beacon Street, Suite 112
Brookline, MA 02446
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Clozure's office is located in Brookline Massachusetts. We are easily accessible by public transportation and there is plenty of parking if you come by car.

The Clozure Team
Clozure maintains a core staff of experienced, multi-talented Lisp programmers available for client projects. Beyond our full-time staff we have an extensive network of affiliates with specialized knowledge and experience, whom we engage as needed for particular projects.

Clozure's Partners
Gail Zacharias
Gail is a senior engineer with deep expertise in the implementation and use of dynamic languages. more...

Gail was one of the original developers of Macintosh Common Lisp. She wrote its widely-acclaimed text editor, Fred, as well as optimized versions of the Lisp numerics package and many other standard Common Lisp libraries. At Apple Computer and later Harlequin Ltd she worked on the Dylan programming language. At Clozure she has worked on a variety of desktop and server-side projects using Clozure CL, LispWorks, and Allegro Common Lisp.

Andrew Shalit
Andrew has over twenty-five years of experience in software development and technology management. more...

He was a member of the original Macintosh Common Lisp team at Coral Software. At Apple Computer Andrew led the Dylan language design effort, contributed to the design of the Apple Dylan IDE, and wrote the Dylan Reference Manual. At Clozure Andrew leads business development, recruitment, and project management. Andrew was responsible for the creation of Learning Touch, an iOS app development company which began as a project in Clozure and became independent in 2013.

Clozure's Senior Engineers
Gary Palter
Gary began programming in Lisp at MIT. He then worked on Lisp Machines at Symbolics, and on the Dylan programming language at Harlequin. more...

He has experience with Genera, LispWorks, SBCL, and Clozure CL and is comforable with Macintosh, Linux, and Windows development. His second language is Objective C. Gary is an accomplished Cocoa programmer on both OS X and iOS, and has written several successful iOS applications.

Bill St. Clair
Bill is a seasoned Lisp professional with expertise in security, encryption, trusted systems, collaboration tools, data structures and algorithms. more...

He holds a BS in Mathematics from MIT. Before joining Clozure Bill worked at the Atari Cambridge Research Lab, Thinking Machines, and Apple Computer.