Simon Riggs

Simon is the Founder and Chief Technology Officer of 2ndQuadrant. He is also a major developer and committer of the PostgreSQL project.

Simon has contributed major features in each of the last 6 versions of PostgreSQL.

His work includes recovery and replication, performance and monitoring as well as designs for many other features.

Simon has worked as a Database Architect for 20 years, with high-end solutions experience and certifications on Oracle, Teradata and DB2.

Gabriele Bartolini

A long time open-source programmer, Gabriele has been writing Linux/Unix applications in C and C++ for over 10 years, specialising in search engines and web analytics with large databases.

Gabriele has a degree in Statistics from the University of Florence. His areas of expertise are data mining and data warehousing, having worked on web traffic analysis in Australia and Italy.

Gabriele is a consultant with 2ndQuadrant and an active member of the international PostgreSQL community.

Gabriele currently lives in Prato, a small but vibrant city located in the northern part of Tuscany, Italy. His second home is Melbourne, Australia, where he has studied at Monash University and worked in the ICT sector.

His hobbies include "calcio" (football or soccer, depending on which part of the world you come from) and playing his Fender Stratocaster electric guitar.

Jaime Casanova

Jaime has been working with databases for 9 years now, initially managing and tuning Informix databases as well as PostgreSQL ones.

He has been a member of the PostgreSQL community for the last 6 years and has been actively contributing as a beta tester and patch reviewer.

In 2007 he starts promoting PostgreSQL by giving talks and trainings in the Latin American and Caribbean region. He is also the founder of the Ecuador's PostgreSQL Users Group.

Gianni Ciolli

Gianni has been working with Free and Open Source Software for more than 10 years; from 2001 to 2004 he has been co-founder and then president of the Italian PLUG - Prato Linux User Group.

His main IT skills include databases, functional languages and symbolic computation. He contributes to the Italian PostgreSQL community as an active member of ITPUG.

Gianni holds a PhD in Mathematics with published research ranging between Algebraic Geometry, Theoretical Physics and Formal Proof Theory. His experience includes working at the University of Florence as both a researcher and as a teacher.

Currently he lives in London with his family; other interests include music, drama, poetry and sports.

Susanne Ebrecht

Susanne has contributed to PostgreSQL for more than ten years. She was the first female developer to contribute code to PostgreSQL. She is one of the leaders of the German speaking PostgreSQL-Community and is a founding member of PostgreSQL Europe.

Susanne is the PostgreSQL agent at the SQL Standard Committee (DIN, Germany) and actively contributes to the SQL Standard (ISO/IEC 9075) on an international level. She is the leader of a project to translate the PostgreSQL documentation into German.

Susanne has lectured on the subject of database basics and SQL, taught using PostgreSQL, for Informatica-Feminale, a project of the University of Bremen.

Besides being a PostgreSQL expert, Susanne is also a MySQL expert and has obtained numerous MySQL certifications.

Dimitri Fontaine

Dimitri Fontaine is part of the PostgreSQL community and has been contributing to Open Source for more than 10 years now. He is the lead developer of enterprise ready solutions such as pgloader (ETL), PostgreSQL prefix indexing (telephony routing), pg_staging (dev environment maintenance from production backups), preprepare (allow easy usage of prepare statements behind a connection pooler), and some backports of recent PostgreSQL features (such as the UUID type or the suppress-redundant-update trigger).

He also contributed to Skytools and the Londiste replication system (both code and documentation), and authored a PHP layer for the PGQ event handler, allowing for robust asynchronous processing and code reuse.

Dimitri likes system design, finding the right compromise using existing solutions when they do exists, with increasing increasing reliability as measured by Mean Time Between Failures as a stated goal.

Professional experience, community involvement and PostgreSQL expertise have led Dimitri to now work as a principal consultant at 2ndQuadrant, France.

Hannu Krosing

Hannu started programming a few years before PCs became available.

He has worked extensively on scaling the PostgreSQL database, designing a new partitioning language, PL/Proxy, which, together with queueing system PgQ enables infinite database scalability.

Hannu balances his free time between his family and sports, mountaineering and reading.

Hannu studied architecture and applied mathematics.

Harald Armin Massa

Harald has been working with PostgreSQL as an application programmer and DBA since 1996. Since 1999 he was active as an entrepreneur, doing development with various SQL databases and using Python.

In 2010 he joined 2ndQuadrant, founding 2ndQuadrant Deutschland GmbH in 2011.

The last years his information technology consulting was focussed to the insurance sector. He has wide range of experience with giving trainings.

Abhijit Menon-Sen

Abhijit has been contributing to Postgres since 2004, and has been involved in open source development for several years before that. He has extensive experience with designing and developing large applications with Perl and C++, and with network and security protocols. He is also an author of two RFCs.

In his spare time, he enjoys bird-watching and cooking.

Marco Nenciarini

Marco has been a Linux system administrator for over 10 years. He's also a Debian developer since 2001. He is a co-founder of the Italian PostgreSQL Users Group (ITPUG) and the Prato Linux User Group (PLUG).

Marco's areas of expertise are PostgreSQL database administration, virtualisation, e-mail systems and cryptography.

Greg Smith

Greg's first job as a database consultant and author of performance articles started fifteen years ago. Once hooked on using open-source projects for networking and development, he worked on improving the performance and management of Linux systems in many environments, eventually circling right back to database work again.

Greg holds a Master's Degree in Computer Science. Starting with PostgreSQL 8.3, he has been contributing features to that project that center on diagnosing and resolving performance issues. He's a regular PostgreSQL conference speaker, and his technical writing centers on database internals and operating system integration. Open-source projects he currently leads include pgtune and pgbench-tools.

During his free time in Baltimore, Greg is a compulsive music collector who refocuses his optimization skills toward assembling high-end audio systems.

Cédric Villemain

Cédric is Principal Consultant in the French team. He is also Vice-President of the French speaking PostgreSQL association.

Cédric contributes to and leads projects in the area of monitoring and performance as well as replication (Slony-I). He also contributes to text search features and enjoys designing new systems.

Kathryn Woodcock

Kathryn is Practice Manager for UK and Rest of the World. Kathryn developed web-based databases using PostgreSQL before joining 2ndQuadrant.

Kathryn enjoys spending time with her 2 young sons, food and fitness.