This thesis examines the influence of women's leadership programs (WLPs) on women's careers. Despite significant government legislation and many organisational policies and interventions, the number of women proceeding to senior levels has only changed incrementally. Much of this is due to bias, which has its roots at a societal level, disadvantaging women from a very young age. Environmental barriers emanating from society, government and organisations impact women's confidence, ambition, stress and self-doubt. This research uses a mixed methods approach to measure the impact of WLPs on women's careers through a series of small wins, or elements, over 11 months. The qualitative measures incorporated in-depth, semi-structured interviews, two surveys and two focus group sessions, called embed sessions, post the WLP. The findings from this qualitative review are supported by the quantitative findings through four standardised surveys measuring psychological capital, self-determination, engagement and mindfulness. These quantitative surveys were administered three times, over 11 months, to identify the change in participants. The WLP used in this research differs from others discussed in the literature in two ways. First, its focus is on building rather than fixing participants. The elements of the WLP are based on positive psychology, positive organisational scholarship, intrinsic motivation, appreciative inquiry, authentic leadership, understanding of neuroscience and mindfulness. The WLPs in the literature did not generally incorporate these concepts. Second, each participant was allocated a sponsor and the outcomes of participants' interactions with their sponsor was included in the study findings. Other contributions to the literature include the use of a mixed methods approach, of which this is one of only two studies in the literature that use qualitative and quantitative data to analyse outcomes of a WLP. This is also one of only two studies that measures the impact of WLPs in law enforcement. The ability to measure influences was facilitated by the longitudinal nature of this study. I acknowledge that an electronic copy of my thesis must be lodged with the University Library and, subject to the policy and procedures of The University of Queensland, the thesis be made available for research and study in accordance with the Copyright Act 1968 unless a period of embargo has been approved by the Dean of the Graduate School.