Rich Hickey is a computer programmer and speaker, known as the creator of the

Clojure Clojure (, like ''closure'') is a dynamic programming language, dynamic and functional programming, functional dialect (computing), dialect of the programming language Lisp (programming language), Lisp on the Java (software platform), Java platfo ...

programming language. Clojure is a

Lisp Lisp (historically LISP, an abbreviation of "list processing") is a family of programming languages with a long history and a distinctive, fully parenthesized Polish notation#Explanation, prefix notation. Originally specified in the late 1950s, ...

dialect built on top of the

Java Virtual Machine A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode. The JVM is detailed by a specification that formally descr ...

. He also created or designed ClojureScript and the Extensible Data Notation (EDN) data format. Before Clojure, he developed dotLisp, a similar project based on the .NET Framework. Hickey has also worked on scheduling systems, broadcast automation, audio analysis and fingerprinting, database design, yield management, exit poll systems, and machine listening. He spent about 2½ years working on Clojure, much of that time working exclusively on Clojure without external funding, before releasing it to the world in 2007. In 2012, Datomic, a proprietary distributed database was launched which coincided with the incorporation of Cognitect. From 2013 until 2020, he was the chief technology officer of Cognitect. Cognitect was acquired by

Nubank Nubank is a Brazilian neobank headquartered in São Paulo, Brazil. It is the largest financial technology, fintech bank in Latin America, with around 88 million customers in Brazil and 6 million between Mexico and Colombia and a revenue of $8 bil ...

in 2020, and he was a Distinguished Engineer at Nubank until August 2023 when he announced his retirement from commercial software development.

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Recorded talks
{{DEFAULTSORT:Hickey, Rich Year of birth missing (living people) Living people Programming language designers Lisp (programming language) people Free software programmers Chief technology officers