MySQL Workbench has been developed by a small team of great developers 
in the MySQL group at Oracle Corporation, starting from a personal project 
of Development Director Mike Zinner (DBDesigner 4).
--

Mike Zinner      <mike.zinner@oracle.com> - development director, UI design

Mike Lischke     <mike.lischke@oracle.com> - team lead, Windows, Mac OS X, UI architecture, frontend/backend, parsers, usability, testing
Miguel Tadeu     <miguel.tadeu@oracle.com>  - Linux, Windows, backend, packaging, admin part, python
Milosz Bodzek    <milosz.bodzek@oracle.com> - migration, sync/diff, forward/reverse engineering, backend, python
Marcin Szalowicz <marcin.szalowicz@oracle.com> - Linux, Mac OS X, frontend/backend, SQL IDE, python
Marcin Marek     <marcin.marek@oracle.com> - Windows, Linux, frontend/backend, JSON support

QA:
Johannes Taxacher      <johannes.taxacher@oracle.com>
Armando Lopez Valencia <armando.lopezv@oracle.com>
Rafael Bedoy           <rafael.bedoy@oracle.com>


Former team members:

Alfredo Kojima, Rene Ramirez, Sergio de la Cruz, Alexander Musienko, Sergei Tkachenko, Maksym Yehorov