Abstract
This research analyzes the ”leakage of the female pipeline” within Japanese companies. While there are two types of leakage of pipeline, one is horizontal segregation other one is vertical segregation. This research focuses on vertical segregation. By evaluating the efforts of Japanese companies to promote female's participation from the perspectives of internal female executive officers, this research identifies key points for future initiatives to enhance female participation. In Japan, the ”Women's Version of the Basic Policy 2023” has set a new goal to increase the ratio of female executives to 30% by 2030. However, currently, only 8.4% of companies have achieved this 30% target. Ensuring the pipeline of female talent remains a significant challenge in reaching this goal. The methodology using involved conducting interviews with seven internal executive officers from Japanese companies, and analyzing the data using the Modified Grounded Theory Approach.