X0206 3 2021-09-10 1 0001610853 HELIUS MEDICAL TECHNOLOGIES, INC. HSDT 0001215243 BUCKMAN PAUL C/O HELIUS MEDICAL TECHNOLOGIES INC. 642 NEWTOWN YARDLEY ROAD SUITE 100 NEWTOWN PA 18940 1 0 0 0 Exhibit 24, Power of Attorney, is attached. /s/ Allison Northup, by Power of Attorney 2021-09-14