how about this
https://jazz:9443/jazz/rpt/repository/foundation?fields=foundation/teamArea/%28name|teamMembers/name|projectArea/name%29

    @SuppressWarnings("unchecked")
    public List<ITeamArea> getProjectTeamsByName(String name) throws TeamRepositoryException {
        IProjectArea project = getProjectByName(name);
        if(project != null){
            List<ITeamAreaHandle> teamHandles = project.getTeamAreas();
            List<ITeamArea> teams = new ArrayList<ITeamArea>();
            for(ITeamAreaHandle handle : teamHandles)
                teams.add((ITeamArea)repo.itemManager().fetchCompleteItem((ITeamAreaHandle)handle, IItemManager.DEFAULT, MONITOR));
            return teams;
        }
        return null;
    }
    public String getProjectsRoleListName(String projectName) throws TeamRepositoryException{
        String list = "";
        IProjectArea project = getProjectByName(projectName);
        if(project == null)
            throw new TeamRepositoryException("Could not find project " + projectName);
       
        IContributorHandle[] members = project.getMembers();

        IProcessItemService service = (IProcessItemService)repo.getClientLibrary(IProcessItemService.class);
        IClientProcess client_service = service.getClientProcess(project,MONITOR);
        IRole[] availableRoles    = client_service.getRoles(project,MONITOR);

        String roles = "\t\t";
        for (int k = 0; k < availableRoles.length; k++) {               
            if(k != 0)
                roles += ",";
            roles += availableRoles[k].getId(); // + " - " + availableRoles[k].getDescription();
        }
       
        list += "\tAvailiable Roles - " + roles +"\n\n";
               
        for(int i = 0; i < members.length; i ++){
            IContributor member = (IContributor)repo.itemManager().fetchCompleteItem(members[i], IItemManager.DEFAULT, MONITOR);
            IRole[] memberRoles    = client_service.getContributorRoles(member,project,MONITOR);
                       
            roles = "\t\t";
            for (int k = 0; k < memberRoles.length; k++) {               
                if(k != 0)
                    roles += ",";
                roles += memberRoles[k].getId(); // + " - " + availableRoles[k].getDescription();
            }
            list += "\n\t"+ member.getUserId() + "\n" + roles;           
        }
        return list;
    }