This study explores the utilization and impact of various types of presuppositions in Steve Jobs' Commencement Address at Stanford University on June 12, 2005. The data were analysed according to the models proposed by Karttunen, L. (n.d.). The analysis reveals that presuppositions are used extensively in this commencement address, which significantly contributes to the success of the speech. The data suggested that existential presuppositions predominate, comprising 63% of the analysed segments, thereby underscoring their integral role in the address. Structural triggers and lexical items were also significant, constituting 23% and 14% of the data, respectively. These findings reveal the nuanced and strategic deployment of presuppositions by Jobs to foster a deeper connection with his audience. The extensive use of presuppositions, especially existential ones, highlights a deliberate rhetorical strategy. By embedding assumed truths within his narrative, Jobs not only enhanced the speech’s relatability and engagement but also steered audience perception with minimal resistance. This tactic of embedding presuppositions allowed Jobs to convey his messages more effectively, ensuring they were received with open minds and minimal critical resistance.