To celebrate the 15th year of the EDOC conference event, the EDOC2011 presents three Impact awards:

• The 15th IEEE International EDOC Conference presents the EDOC Impact Award to Colin Atkinson in recognition of his contributions to Enterprise Computing and his leading role in the development of the EDOC community in the period of 1997-2001. Colin has given direction to EDOC as steering committee chair and published highly cited papers on modelling and meta-modelling.
• The 15th IEEE International EDOC Conference presents the EDOC Impact Award to Peter Linington in recognition of his contributions to Enterprise Computing and his leading role in the development of the EDOC community in the period of 1997-2001. Peter's work has had great impact on enterprise modelling and on the foundation and standards for open distributed systems.
• The 15th IEEE International EDOC Conference presents the EDOC Impact Award to Zoran Milošević in recognition of his contributions to Enterprise Computing and his leading role in the development of the EDOC community in the period of 1997-2001. Zoran chaired the 1st EDOC event and published highly cited papers on enterprise modelling, policies and e-contracts.