Analysis of the multicase data from 17 Dutch two-tier supervisory boards reveals that how boards manage the tension between conflict and cohesiveness depends on three attributes: (a) board cohesiveness, (b) the board's conflict norms formation and (c) the board's dominant conflict management style. These attributes shape volatile board conflict climates. Four conflict climates are identified: (a) compliance climate, (b) pseudocohesive climate, (c) conflict climate, and (d) agree-to-disagree climate. Theoretical/Academic Implications: