Caiden Feldman is a second-year Master of Science student in Environmental Health and Engineering at the Johns Hopkins Bloomberg School of Public Health, where he is also completing a certificate in Risk Sciences and Public Policy. His academic focus includes toxicology, alternatives to animal testing, environmental policy, and ethical regulatory science. Under the mentorship of Dr. Paul Locke, his research explores acetylcholinesterase (AChE) inhibition following pesticide exposure, using 2D and 3D in vitro models to assess human-relevant responses. He holds a B.A. in Psychology from Michigan State University with minors in Environment and Health and Health Promotion. He is committed to advancing evidence-based policies that protect public health and reduce environmental harm.