Leadership Team
Bernadette Hyland
CEO


Bernadette is responsible for the company’s strategic direction. She brings a strong background in commercial and federal government data management strategies, coupled with expertise in leading high-growth software organizations. Bernadette is committed to articulating the practical use of high quality, authoritative open data to corporate and government decision makers. She co-chairs the W3C Government Linked Data Working Group and regularly speaks on the business value of Linked Data at US and international conferences.
Prior to founding 3 Round Stones, Bernadette led several profitable early stage Internet companies delivering Web-based enterprise products. Bernadette served as CEO of Zepheira, a services firm delivering focused on the library community. Bernadette was CEO and co-founder and of Tucana Technologies Inc., a leading provider of graph based database technology. She lead the company’s successful exit via acquisition to Northrop Grumman in 2005.
Bernadette holds a BA Computer Science and Linguistics, University of California, Los Angeles.
David Wood
CTO

Dr. Wood has contributed to the evolution of the World Wide Web since 1999, especially in the formation of standards and technologies for the Semantic Web. He has architected key aspects of the Web to include the Persistent Uniform Resource Locator (PURL) service and several Semantic Web databases and frameworks. David is the editor of Linking Enterprise Data (Springer, 2010) and Linking Government Data (Springer, late 2011).
David is co-chair of the W3C RDF Working Group. He co-chaired the Semantic Web Best Practices and Deployment Working Group and is a member of the Semantic Web Coordination Group. David has represented international organizations in the evolution of Internet standards at the International Standards Organization (ISO), the Internet Engineering Task Force (IETF) and the World Wide Web Consortium. David is a founding and contributing member of many Free/Libre/Open Source Software (FLOSS) projects, including the Mulgara Semantic Store, Persistent URL (PURLs), Freemix and the Callimachus Project.
David earned a Ph.D., Software Engineering, University of Queensland, Australia; Aeronautical and Astronautical Engineer, U.S. Naval Postgraduate School; MS, Astronautical Engineering, U.S. Naval Postgraduate School and BS, Mechanical Engineering, Virginia Military Institute.
James Leigh
Lead Software Engineer

James is the Lead Software Engineer on the Callimachus Project. He possesses depth of experience in Semantic Web application development and object-oriented design. He is an experienced data model and maps business workflows to elegant, highly scalable production systems for enterprises.
James is a longtime Web standards proponent. He uses his wide-ranging experience in Web development to move semantic Web technologies from the research lab to practical solutions, improving business productivity and efficiency. He has been an active architect and leader on some of the most well known and used semantic web Open Source Software projects including OpenRDF Sesame library, an RDF library for parsing, indexing, and querying RDF using SPARQL; OpenRDF AliBaba and Elmo RDF-object mapper for aspect/subject oriented composition of object rules; PURL server, a distributed resource identifier management system; and of course, Callimachus, a Linked Data management system.
James earned his Bachelor of Computer Science and Mathematics from Carleton University in Ottawa, Ontario.
