//get only 1st employment record, currently only support 1 employment per user
Employment employment = employments.iterator().next();
if (employment.getEmploymentReportTo() != null) {
EmploymentReportTo employmentReportTo = employment.getEmploymentReportTo();
userList.add(employmentReportTo.getReportTo().getUser());
} else {
Department dept = employment.getDepartment();
User hod = getDepartmentHod(dept.getId());
if (hod != null) {