One Concern provides a resilience-as-a-service solution that helps customers uncover, prepare for, and mitigate unpredictable disaster risk. Founded by Ahmad Wani, Nicole Hu, and Timothy Frank in 2015, One Concern is backed by investors that include Plum Alley Investments, Haystack, New Enterprise Associates, Pear VC, and Western Technology Investment and is headquartered in Menlo Park.