Proposed format:
"name": "name of the person",
"role": "InvitedSpeaker/ProgramCommittee/SteeringComm/Other",
"date": "year of the workshop",
"author_image": "Name of image as you have named it in the img/ folder",
"person_link": "Link to person’s website",
"title": "Title of talk, if Invited Speaker"