a. The advantages of having an Individual Executor/Trustee
More familiar with the family.
Administrative fees are generally lower.
More efficient in modest estates or traditional family structures

b. The disadvantages of having an Individual Executor/Trustee
Probably not experienced in handling estates or Trusts. May not be impartial.
Could have schedule conflict or live too far away to do the job properly.
Could be incapacitated at times or no longer competent when you need their assistance.