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avatar for Nickolas Kavantzas

Nickolas Kavantzas

Oracle Inc.
Chief Architect
Mr. Kavantzas is Chief Technologist, focusing in product vision, strategy, definition and architecture in the IoT and Big/Real-time Data Analytics (Apache Spark, Kafka, NoSQL, Oracle RDBMS, Cloud) space.

In the past, Mr. Kavantzas worked in Oracle’s Security & Identity Management with an emphasis on product definition and architecture on Security for Oracle Cloud Services, Mobile and SOA. Mr. Kavantzas has driven initiatives across Oracle's Fusion Middleware & Fusion Apps and has lead engagements with Oracle's customers, partners and other industry vendors in a number of big projects.

Before that, Mr. Kavantzas worked in Oracle's Web Services / SOA on Business Process Management to set the foundations and future direction for Business processes & Web Services in the industry. Mr. Kavantzas invented and authored W3C’s WS-CDL (Web Services Choreography Description Language) to enable modeling of distributed long-running computations. Mr. Kavantzas was the chief editor of the WS-CDL in the W3C Choreography Working Group and collaborated with other technology companies (Sun, UBS) and academia (Turing Award Cambridge University UK Professor Robin Milner, Queen Mary University UK Professor Kohei Honda and Imperial College UK Professor Nobuko Yoshida).

Before that, Mr. Kavantzas worked in Oracle's Database Distributed Transaction & Advanced Queuing kernel group. There he designed and implemented a Distributed Object Transaction Service. Later he started a forward-looking incubator project where he invented and implemented a new long-running transactional messaging/dataflow model (US patent awarded), which formed the basis of WS-CDL.

Mr. Kavantzas has lead and participated in multiple standards initiatives, served as Chairman/Member on many technical program committees and also been selected to formally review a technical O’Reilly book on business process management.

Mr. Kavantzas has authored/co-authored 22 patents (16 awarded, 6 pending) regarding Oracle products.