Ibrar Ahmed is a senior database architect in an Enterprise PostgreSQL company. He started his development career in 1999. He has contributed to the PostgreSQL community, the company's PostgreSQL fork, and other open source communities such as Google Chrome. He also has experience in MySQL, Oracle, MongoDB and Hadoop (Hive, Hbase, Spark). He is a major contributor in integrating other databases with PostgreSQL. He also authored PostgreSQL Developer's Guide. He has a master's in computer science (1999) and MS in computer engineering (2015), and is finalizing his PhD. Achim Vannahme works as a senior software developer at a mobile messaging operator, where he focuses on software quality and test automation. He holds a degree in computer science and has over 10 years of experience in using Java and PostgreSQL in distributed and high-performance applications. Amjad Shahzad has been working in the open source software industry for the last 10 years. He is currently working as a senior quality assurance engineer at a leading PostgreSQL-based company, which is the only worldwide provider of enterprise-class products and services based on PostgreSQL. Amjad's core expertise lies in the areas of pg_upgrade, slony and streaming replication, Cloud database, and database partitioning. His future endeavors include exploring PostgreSQL replication solutions. Apart from his professional activities, he is also involved in doing social activities that involve helping people stand on their feet. In his free time, he likes to explore nature by doing outdoor activities, including hiking, trekking, and nature photography. Salahaldin Juba has over than a decade of experience in the industry and academia, with a focus on database development for large-scale and enterprise applications. He holds a master's degree of science in environmental management with a distinction, and a bachelor's degree of engineering in computer systems. He is also a Microsoft Certified Solution Developer (MCSD). He has worked mainly with SQL server, PostgreSQL, and Greenplum databases. As a software engineer, he works mainly with defining ETL processes with external parties, promoting SQL best practices, designing OLTP and OLAP applications, and providing training and consultation services.
