To get this Standard approved as an IEEE Standard, and to develop the XES Standard further, the XES Working Group has been established. The XES Working Group accepts new extensions, approves certificates, promotes the adoption of XES standard by vendors etc.

The current XES Working Group members are:

• Moe Wynn (Chair)
  
• Claudio Di Ciccio
• Julian Lebherz
• Wil van der Aalst (Vice-chair)
  
• Rafael Accorsi
• Dirk Fahland
  
• Eric Verbeek (Secretary)
  

We can be contacted by sending a mail to xes@tf-pm.org.

Past XES Working Group Members

Aalst, Wil van der (Chair)	Bose, J. C.	Carmona, Josep	Dumas, Marlon
Geffen, Frank van	Goel, Sukriti	Günther, Christian (Vice-chair)	Guzzo, Antonella
Khalaf, Rania	Kuhn, Rudolf	Lehto, Teemu	Mannhardt, Felix
Montali, Marco	Muehlen, Michael zur	Paszkiewicz, Zbigniew	Reijers, Hajo
Rinke, Alexander	Rosik, Michal	Rozinat, Anne	Soffer, Pnina
Song, Minseok	Swenson, Keith	Vanherle, Walter	Verbeek, Eric (Secretary)
Wen, Lijie	Wynn, Moe