Seeman is the co-author of Psyche in the Lab: Celebrating Brain Science in Canada (Hogrefe & Huber).

He is the co-author of XXL: Obesity and the Limits of Shame (University of Toronto Press) which was a shortlist finalist for the Donner Prize in 2011.

[7][8] The authors' concept of "healthy living vouchers" in XXL was criticized for being impractical and too reliant on state intervention to be effective as a policy tool to curtail the obesity epidemic.

[12] In May, 2023, he published Accelerated Minds: Unlocking the Fascinating, Inspiring, and Often Destructive Impulses that Drive the Entrepreneurial Brain.

[16] He serves as Senior Academic Advisor to the Investigative Journalism Bureau at the Dalla Lana School of Public Health, and as knowledge translation lead to the Health Informatics, Visualization, and Equity (HIVE) Lab at the University of Toronto.