Marisol Maddox is a Senior Arctic Fellow at the Institute of Arctic Studies in the Dickey Center at Dartmouth College. Her transdisciplinary research considers the Arctic interplay of security, geopolitics, environmental change, and democracy. She is particularly interested in how actorless threats — such as the surpassing of planetary boundaries — intersect with the traditional threat environment.

Maddox also serves as a Senior Associate (non-resident) in the Europe, Russia, and Eurasia Program at the Center for Strategic and International Studies (CSIS). Maddox served as an Arctic specialist at the Polar Institute of the non-partisan Woodrow Wilson International Center for Scholars in Washington, DC from 2018–2025.

She is the author of the CSEN Risk Brief on the Arctic and discussed the findings in the Climate Diplomacy Podcast "What happens in the Arctic doesn't stay in the Arctic" as well as in another podcast episode "Climate Security around the world: examples of locally informed solutions". She has been part of the Climate Security Expert Network since 2021.