consortium[at]lisamission.org, if you have a general question on the LISA Consortium, your status or you don't who to ask
lisaddpc-admin[at]apc.in2p3.fr if you have a question related to computed,
access to ressources, services, etc.
Write to the LDPG leads,
ldpg-chairs[at]lisamission.org, if you are interested
to contribute to LISA Data Processing.
For any question related to a particular group, have a look at the mailing lists
listed here and write the chairs of the groups (email ending by