userRepository.loadUser(group.getOwnerId()).thenAccept(user -> {
            if(user.getFullName() != null && user.getFullName().length() > 0) {
                if(user.getUsername() != null && user.getUsername().length() > 0) {
                    groupOwner.setText(user.getFullName() + " (@" + user.getUsername() + ")");
                }