Jens Lehmann
Data Analyst
Summary
🤩
RockstarJens Lehmann is a Principal Scientist in Artificial General Intelligence at Amazon with 18 years of experience applying machine learning, knowledge graphs, and semantic technologies to advance natural language understanding and dialogue systems. He leads research efforts to integrate structured knowledge into large language models and designs representation-learning approaches that improve reasoning capabilities. As honorary professor at TU Dresden and leader of the Smart Data Analytics Research Group, he bridges academic rigor and industrial impact, mentoring scientists and shaping roadmaps. His background includes professorship and leadership roles in knowledge-graph research at Fraunhofer, Bonn and Leipzig, reflecting a sustained focus on semantic AI. Jens is an active proponent of open source in semantic technologies, combining deep theoretical insight with practical implementations that target real-world conversational AI. Based in Dresden, he aims to steer AI research toward societally positive outcomes while continually exploring novel ways to fuse symbolic and statistical methods.
19 years of coding experience
Github Skills (51)
fact10
semantic-web10
machine-learning10
rdf10
trust10
apache-jena10
description-logics10
sansa9
spark9
apache-spark9
distributed-computing9
semantics9
owl9
knowledge-graph8
sda8
Programming languages (11)
Github contributions (5)
SANSA-Stack/Archived-SANSA-Stack
Dec 2016 - Jul 2020
Comprises the whole SANSA stack
Contributions:7 releases, 4 pushes, 7 tags in 3 years 7 months
sansa
GridPonder/GridPonder
Apr 2026 - May 2026
Contributions:5 pushes, 1 branch in 23 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.