Lua Workshop 2023

The Lua Workshop 2023 will be held on 17 October 2023 at PUC-Rio in Rio de Janeiro.

The main theme of this workshop is to commemorate 30 years of Lua. See the slideshow.

The workshop is open to everyone interested in Lua. No registration is required. Space is limited in the auditorium.


The workshop consists of invited talks. Meet the speakers. The event will be held in Portuguese, with one talk in English.

13:30 opening
13:45 Lua como motor de desenvolvimento e inovação
Marcelo Gattass
14:05 Vivências das fases da linguagem Lua: dos primórdios à conquista do mundo
Thais Batista
14:25 Lua no INPE
Gilberto Câmara
14:40 Trajetória de um estudante de Lua
Anna Hester
15:00 Os primeiros a pisar na Lua
André Clinio & André Costa
15:20 Lua no núcleo
Lourival Vieira Neto
15:40 From supporting elephants to controlling shortwave transmitters: 15 years of using Lua for fun and profit
Marc Balmer
16:30 break
17:00 Posse como professor titular e aula magistral
Roberto Ierusalimschy
18:00 closing


Marcelo Gattass is Vice President for Development and Innovation Affairs at PUC-Rio. He is also a professor in the Computer Science Department. He created Tecgraf in 1987 and was its director until recently.

Thais Batista is the president of the Brazilian Computer Society and a professor in the Department of Informatics and Applied Mathematics at the Federal University of Rio Grande do Norte. Her DSc thesis at PUC-Rio was on LuaSpace, an environment for using Lua in distributed systems.

Gilberto Câmara is senior researcher in GIScience, geoinformatics, spatial data science and land use change at the National Institute for Space Research (INPE). He was director of INPE from 2005 to 2012 and Director of the Secretariat of Group on Earth Observations (GEO) from 2018-2021.

Anna Hester is Vice President of Product & Engineering, Windows + Devices at Microsoft. Her MSc dissertation at PUC-Rio was on CGILua, an early effort to bring Lua to the web.

André Clinio and André Costa work on distributed systems at Tecgraf. They were one of the first to work with Lua in products.

Lourival Vieira Neto is a co-founder at Ring-0 Networks and author of Lunatik, a framework for scripting the Linux kernel with Lua, the theme of his MSc dissertation at PUC-Rio.

Marc Balmer is a software developer and entrepreneur based in Switzerland. He hosted the Lua Workshop 2011.


The workshop will be held at

Auditório do RDC, PUC-Rio
Rua Marquês de São Vicente, 225
Rio de Janeiro, Brazil


The workshop is organized by Noemi Rodriguez and the Lua team.

Lua 30