John Braithwaite works on restorative justice in peacemaking.
This includes practical work on peace negotiations and reconciliation after armed conflict. And it includes research: http://johnbraithwaite.com/peacebuilding/
John also works on restorative justice in business regulation (for example, currently with Miranda Forsyth and others on restorative environmental justice at EPA Victoria) and on crime. You can read free downloads of this work at http://johnbraithwaite.com/restorative-justice-3/ .