Martin B�chi has worked since 2004 as lead software architect for Avaloq, a provider of a standardized banking software built on the Oracle RDBMS with 11 million lines of PL/SQL code. Together with two colleagues, he defines the system architecture and reviews the designs and code of 170 full-time PL/SQL developers, looking for simplicity, efficiency, and robustness. Martin regularly speaks at Oracle conferences. In 2009, he was named PL/SQL Developer of the Year by Oracle Magazine. Before getting into�Oracle database, Martin worked in object-oriented systems, formal methods, and approximate record matching. He holds�master of science degree from the Swiss Federal Institute of Technology and a Ph.D. from the Turku Center for Computer Science in Finland. In his spare time, Martin enjoys various outdoor sports with his family.