Long has published and presented a number of works on Hinduism and Hindu identity. He helped organize various portions of the 6th D?NAM Conference in 2008; specifically, he was responsible for the Book Review: Review of Yoga Books and The 'H-Word': Non-Indian Practitioners and the Question of Hindu Identity sessions. Long also presided over the D?NAM Business Meeting and Call for Papers session. He presented at the same conference; his presentation was titled Hindu-To Be or Not To Be: Three Possible Reasons for Aversion to the Term 'Hindu' among Western Practitioners. Other presentation forums include the Association for Asian Studies, the Society for Asian and Comparative Philosophy, and the American Academy of Religion.

He has authored two books, A Vision of Hinduism: Beyond Hindu Nationalism and Jainism: An Introduction. He has had articles published in Prabuddha Bharata, The Journal of Religion, Science and Spirit, and Creative Transformation, among others. Long also contributed to the Hindu American Foundation's "Hyperlink to Hinduphobia: Online Hatred, Extremism and Bigotry Against Hindus", writing that even "[t]hough it is less well-known in [the United States], anti-Hindu bigotry is every bit as ugly and dangerous as anti-Semitism or racism, and every bit as present on the Internet."

Long lent his expertise to the Hindu American Foundation during their lawsuit against the California Board of Education.

Long received his B.A. in 1991 from the University of Notre Dame. His M.A. and Ph.D. were earned at the University of Chicago in 1993 and 2000, respectively.