Joe Seng earned a Doctor of Veterinary Medicine from Iowa State University and spent several decades as a veterinarian, focusing on providing services to low-income families. He transitioned into public service, representing the 43rd District in the Iowa House of Representatives before serving as a State Senator from the 45th District. Throughout his legislative career, Seng chaired the Agriculture Committee and held leadership roles on several key committees, including Commerce, Ethics, Natural Resources and Environment, and Ways and Means.

Joe Seng combines a deep-rooted commitment to rural and agricultural interests with a surprisingly progressive stance on environmental protection. His legislative record reveals a calculated convergence with opposing factions on environmental regulations, suggesting a highly localized approach to balancing industrial and ecological concerns. Seng's rhetorical style often frames issues through the lens of community welfare, emphasizing accessibility and ethical governance.