Guild graduated from the University of California, San Diego with a B.S. in Environmental Systems, focused in Ecology, Behavior and Evolution. She was born in New Zealand, then raised in Fiji and the Philippines, before moving to California to attend university. This worldwide set of experiences piqued her interest in environmental policy on an international scale, which allowed her to combine research science and policy in a set of internships at UCSD. She worked in a biochemistry laboratory at Scripps Institute of Oceanography before moving to a policy and economics internship at the Blue Latitudes Foundation, where she created a cost-benefit analysis of offshore oil decommissioning in Southeast Asia. In the future, Guild is excited to use her graduate degree in international fisheries policy, aligning with U.S. environmental goals.