#6 I'd like to see this one where the design is on the left and then the initials and name are right next to it. Similar to #5. Also, can you change the initials to SDHA instead of SHDA.
#1, #2, #3, #4 The use of the medical symbol along with the marijuana leaf is used very commonly in this field so it doesn't stand out very easily. I would either not put those 2 symbols together or change the shape of them enough that it stands out.