Key leader engagements (KLEs) have been in practice for centuries, since the first recorded alliances were formed between nation-states. KLEs stand to supply substantial contributions to strategic efforts, namely that of strengthening alliances in an age where those partnerships are critical to furthering national security and strategic interests. There is minimal literature associated with KLEs, and even less that provides a common definition or specifically examines strategic implications. This thesis fills that gap using qualitative research through an explorative case study methodology. The study coupled data collection through personal interviews and focused coding analysis to identify core concepts relevant to understanding KLEs and measuring their strategic contributions. All interview participants unanimously acknowledged the criticality of KLEs in current and future operations, but diverged in opinions over defining KLE, and implementing potential changes to military doctrine and/or education. This thesis establishes a shared understanding of KLE, proposes a standardized definition for KLE to be integrated across U.S. Joint doctrine, and affirms the strategic contributions and relevance of KLE.

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