Visiting Fellow, Davis Institute for National Security and Foreign Policy Chad Wolf is a visiting fellow in the Davis Institute for National Security and Foreign Policy at The Heritage Foundation.Request an Interview Request an Interview With A Heritage Expert Thank you for contacting us! We have received your message and are happy to help you with your inquiry. You will receive a response within 48 hours. Chad Wolf joined The Heritage Foundation as a visiting fellow in February 2021 after serving as Acting Secretary of the U.S. Department of Homeland Security in the Trump administration. In his role at Heritage, Wolf works on projects related to national security, China, and cyber policy.