Jeff MacKie is a contributor and co-designer for the SagaBorn d100 system, bringing over two decades of experience in playing, writing, and running tabletop role-playing games. His analytical approach to design focuses on systemic balance—crafting mechanics that are intuitive yet tactically rich. Jeff’s background in intelligence work and operational planning lends him a structured, detail-driven perspective on probability, risk, and decision flow, all of which inform the game’s underlying logic and mechanics.
Beyond the numbers, Jeff’s career as a combat medic, cavalry officer, and now a military intelligence officer provides him with an authentic understanding of the human element of adventure—the courage, exhaustion, and moral tension that help shape meaningful stories. His contributions to SagaBorn d100 merge precision with empathy, ensuring the system feels not only fair and balanced, but alive with the same grit, uncertainty, and triumph that define true heroism at the table.