Abstract: Embedding personalized media into electronic document signing sessions in an electronic signature service includes receiving an electronic document, and media associated with the electronic document, from a document sender during generation of a signing package for a document signer to electronically sign. The electronic signature service embeds the media into the signing package with the electronic document and transmits notice of the signing package to the document signer. The media is displayed to the document signer at predetermined times respective to the commencement of an electronic signing session with the electronic signature service to electronically sign the electronic document.