Dr. Matthias Broecheler is the lead developer of the distributed graph database Titan and has researched large scale graph database systems for more than 5 years.His award-winning research includes high performance index structures and query answering algorithms for graph structured data. In addition, he developed the Probabilistic Similarity Logic (PSL) machine learning framework to analyze and reason about multi-relational data. Matthias holds a Ph.D. in Computer Science from the University of Maryland.