An initiator assembly can include an outer body can have a first end, a second end, and an internal passage between the first and second ends. An initiator canister can be joined to the outer body at the first end and can define a charge chamber that includes a pair of pins extending therefrom. An insulative material can be molded within the passage to form an insulative structural member that joins the canister and pins to the outer body and insulates the pins and a portion of the canister from electrical contact with the outer body. An electrostatic discharge dissipater can be formed from an electrically conductive material and can be molded to the canister and the outer body at the first end. The dissipater can electrically connect the canister to the outer body to provide a controlled dissipation path for electrostatic discharge energy carried by the initiator assembly.