Missouri arborist expert witnesses assess tree health, risk, and management practices across urban and rural landscapes. They often come from municipal forestry programs, utility vegetation management, consulting arboriculture, and ISA-certified risk assessment. In Missouri, their work reflects storm impacts and right-of-way demands along the I-70 corridor and St. Louis–Kansas City metro canopies. They evaluate hazardous tree failures, pruning standards, root damage, and property impacts.