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“Bench strength” refers to the capabilities and readiness of potential successors to
move into key professional and leadership positions. The term comes from
baseball, for which it refers to a team's lineup of highly skilled players who
can step in when a player is hurt or replaced.
In business, bench strength is critically important because organizations
continuously go through turnover, restructuring, and changes in business
strategy. Whenever a critical person leaves (whether in leadership, management,
or line operations), the organization should have a "ready successor"
or plan for a replacement in order to avoid business interruption.