Jeff has over 33 years of experience in IT consulting, product development, and system operations. He has expertise in big data technologies including Hadoop, Spark, and Hive. Most recently as a Big Data Architect, he helped customers optimize data warehouse workloads on Hadoop. He also led teams to design and build innovative tools for automating data warehouse migrations to Hadoop. Jeff has extensive experience developing, operating, and administering large-scale production environments and big data initiatives.