This chapter examines the evolution of Key Performance Indicators (KPIs) in sustainable asset management, highlighting the transition from traditional financial metrics to more comprehensive sustainability measures. It explores how conventional KPIs like ROI and Sharpe Ratio are being complemented by new indicators such as carbon footprint, climate risk, and governance metrics. The chapter emphasizes the growing importance of new KPIs like stranded asset exposure and climate scenario analysis for long-term portfolio stability. The text underscores the increasing role of women in sustainable investing, noting their tendency to prioritize long-term resilience, transparency, and ethical standards in investment decisions. Women are driving demand for responsible investment solutions and influencing product development in the industry. In conclusion, this chapter highlights that sustainable KPIs are critical for navigating the future of investment, ensuring both financial success and alignment with global sustainability goals, with women leading this transformative change.