Larry Gritz
Software Architect & Sony Distinguished Engineer at Academy Software Foundation
Vancouver, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolLarry Gritz is a veteran software architect and Sony Distinguished Engineer with 17+ years driving R&D and production software for film VFX and animation, specializing in rendering, lighting, and shading. He founded OpenImageIO, led Gelato R&D at NVIDIA, and held senior research and engineering roles at Pixar, giving him deep experience from research prototypes to studio production pipelines. An active leader in the Academy Software Foundation (TAC chair, TSC roles), he shapes open-source standards and tools used across the industry. His contributions to the widely used OpenShadingLanguage—compiler, parsers, ASTs and dependency tracking—underscore a rare combination of language/compiler expertise and practical renderer integration. Based in Vancouver with advanced degrees in computer science, he blends academic rigor with decades of hands-on production problem solving.
17 years of coding experience
13 years of employment as a software developer
DSc & MS Computer Science, DSc & MS Computer Science at The George Washington UniversityBS Computer Science, BS Computer Science at Cornell University
English, Japanese
Stackoverflow
13,491reputation
1.5mreached
66answers
11questions
gpu
top-1%
bit-manipulation
top-5%
algorithm
top-5%
opengl
top-5%
assembly
top-5%
Github Skills (23)
parser10
c-language10
abstract-syntax-tree10
llvm10
parse-tree10
compiler-design10
lexical-analysis10
gpu10
cprogramming-language10
bit-manipulation9
assembly9
algorithm9
opengl9
code-generation9
directx6
Programming languages (1)
Github contributions (3)
AcademySoftwareFoundation/OpenShadingLanguage
Sep 2008 - Mar 2011
Advanced shading language for production GI renderers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:496 commits in 2 years 7 months
Contributions summary:Larry appears to be focused on contributing to the development of the advanced shading language, specifically the compiler and associated tools. The contributions include the development of lexical scanners and parsers, as well as the building of an abstract syntax tree and code generation. The user implemented code to process information on the variable usage and to track dependencies. The implementation covers a broad range of language features, including structs, code for functions and derivatives.
vfxshadingshaderscomputer-graphicsc-plus-plus
JoschuaL/AnyOSL
Nov 2008 - Mar 2011
OSL SDK with a build-in transpiler to Artic
Contributions:485 commits in 2 years 4 months
sdktranspilercompilerabstract-syntax-treeartic
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