# Core Researchers ## expand\_more [### Adam Bremer-McCollum ](/people/adam-bremer-mccollum) Research Associate, Texts and Translations of Transcendence and Transformation Adam Bremer-McCollum completed his PhD in 2009 at Hebrew Union College-Jewish Institute of Religion (Cincinnati), where he studied Semitic languages and Greek and Latin. His academic research experience includes five years as a cataloger of Syriac and... ![Adam Bremer McCollum](/sites/g/files/omnuum4346/files/styles/hwp_4_5__690x865/public/2025-04/Adam%20Bremer%20McCollum_0.jpg?itok=Sr1TPwkj) [### Russell Powell ](/people/russell-powell) Research Associate, Transcendentalism Russell C. Powell's research is on the religious, ethical, and political resonances of contemporary environmental issues, particularly the religious dimension of American environmental thought. Prior to joining the CSWR, he taught at Boston College as a... ![Russell Powell looking into the camera](/sites/g/files/omnuum4346/files/styles/hwp_4_5__690x865/public/2025-08/PowellR_headshot.jpg?h=aaa6c43a&itok=dWn6FKzT) [### Aaron Michael Ullrey ](/people/aaron-michael-ullrey) [aaron\_ullrey@hds.harvard.edu](mailto:aaron_ullrey@hds.harvard.edu)Research Associate, Transcendence and Transformation, Writing and Editing Specialist Aaron Michael Ullrey is a historian of religions specializing in South Asian rituals, specifically magic rituals in tantra sources. His PhD was awarded by University of California Santa Barbara, supervised by David Gordon White, defending a dissertation... ![Aaron Ullrey](/sites/g/files/omnuum4346/files/styles/hwp_4_5__690x865/public/hds_cswr/files/aaron_ullrey_400x400.jpg?itok=dnxDOZR3)