The controversial power to disqualify counsel is often deployed but rarely analysed from first principles: if such a power exists, it must derive from somewhere or something. The competing arguments are contractual and status. Although in many cases it will not make any difference, the basis for any such power ought to be known. Furthermore, is the power to disqualify restricted to counsel or can it extend to others involved in the arbitration process, such as an expert? If so, does the analysis of the source of such a power apply equally to participants other than counsel? If not, on what basis can the power to prevent an expert from appearing be exercised? Can connections involve more than one degree of connection or must there be a closer degree of proximity? If the power to remove or disqualify an expert does not apply on the facts, what is the result?