Complex sentence: Men to fill the other positions in the bishopric (two counselors, an executive secretary and one or more ward clerks) may also be called from other wards in the stake or may be called from the members in the singles ward.
Split into simpler sentences: Men to fill the other positions in the bishopric (two counselors) are also called. They also may be called from other wards in the stake or may be called from the members in the singles ward.