Holger Knublauch
Lead Software Developer at TopQuadrant
Queensland, Australia
Summary
👤
Senior🎓
Top SchoolHolger Knublauch is a lead software developer and semantic technology expert with over a decade of experience building knowledge-graph products from research to production. He founded and has driven the TopBraid product family at TopQuadrant, translating ontology and RDF research into commercial software. A co-creator of the W3C SHACL standard, he blends deep academic roots—authoring Protege-OWL work at Stanford as a postdoc—with hands-on engineering in Java, JavaScript, React, SPARQL and RDF. Holger’s career shows a rare continuity from PhD-level research to sustained product leadership, shipping systems that make complex knowledge models practical for enterprises. Based in Queensland, Australia, he is known for turning semantic web standards into usable developer tools and commercial offerings.
11 years of coding experience
3 years of employment as a software developer
Doctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at Ulm University
Stackoverflow
1,251reputation
12kreached
47answers
0questions
rdf
top-5%
Github Skills (52)
jena10
java10
linked-data10
shacl10
api10
rdf10
apache-jena10
apache9
owl9
vocabulary8
semantic-web8
sparql8
triplestore7
nodejs7
javascript7
Programming languages (8)
Github contributions (5)
w3c/data-shapes
Jan 2015 - Jan 2021
Data Shapes WG repo
Contributions:43 reviews, 925 commits, 87 PRs in 6 years
rdf-datalinked-datardf
TopQuadrant/shacl
May 2015 - Aug 2022
SHACL API in Java based on Apache Jena
Contributions:10 releases, 8 reviews, 240 commits in 7 years 4 months
apiapache-jenaapachejavashacl
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