Sensei Secrets features a study that performs qualitative interviews to identifies characteristics of the transition from the initiation to cultivation phases of mentor relationships at Toyota Georgetown from 1986 to 1992. This research illustrates how leaders experienced transformation within mentor relationships to achieve a mindset of self learning. Leuschel's findings may prove adaptable and beneficial for other leaders and executives adapting the Toyota Production System.As a bonus, In the Afterword, former Vice President, Russ Scaffede, describes how he created the first TPS House in the United States for conversations with then President Fujio Cho.