He is a licensed deputy sheriff in Minnesota, and currently serves with a county enforcement agency. He also has served as a medical director and operator of an urban SWAT team, is currently a medical director for several Minnesota EMS agencies, and regularly consults with law enforcement agencies and government on issues of in-custody death and conducted electrical weapons. Dr. Ho is also an independent medical consultant to TASER International, where he leads a cadre of researchers in studying human physiologic effects of nonlethal weaponry.