Jenny is a migrants' rights campaigner and wants to make Labour International more active and outward-looking.
Rowan wants to use her IT sector experience to help members fight for a just society.
Jonathan believes Jeremy Corbyn's 10 pledges can inspire other social democratic parties to reverse their decline.
Colin wants an active, campaigning CLP which will fight to put people before profit.
David wants a visible, supportive coordinating committee that will take advantage of members' skills.