⟩ How was your involvement with each employee in the organisation?, Have you personally hired, trained and coached staff?, Have you fired staff for erratic behavior? What steps did you follow to do that? How do you motivate your employees?
Having to deal with people is quite tough job and being an Operations head you would have used various methods to bring in discipline, frame office regulations, deal with small conflicts within teams. It's always implied that conflicts or grievances are mostly taken up to the level of Operations head. You could describe the way you had to handle erratic behaviors and ways that you had to impose discipline to bring in culture that team work does not fail. Detail out the way you had been attentive and had closed the communication gaps.