Hisaar Foundation is a leading organization in the water sector, dedicated to ensuring water, food, and livelihood security. Established in 2003, Hisaar Foundation is comprised of a diverse group of professionals and thinkers who are passionate about water. The organization operates through various initiatives, including the Think Tank on the Rational Use of Water, which focuses on policy and strategy, and the Universities for Water Network, which connects research and practice.

Hisaar Foundation hosts the biannual Karachi International Water Conferences, bringing together stakeholders from around the world to discuss water-related issues. Through its programs, Hisaar Foundation creates partnerships for change, develops innovative low-cost solutions, and provides emergency support. They have pioneered concepts such as Area Water Partnerships and Women and Water Networks, and have implemented successful projects in flood-affected communities, domestic water, and food security. Hisaar Foundation also has strong international partnerships and collaborations with organizations and institutions.

With a vision to balance environment with development through innovation, Hisaar Foundation aims to promote appropriate policies and creative solutions for water resources development and conservation in Pakistan. They strive for behavioral change in relation to water, food, and the environment and work towards connecting the government with civil society.