A person or organization attending the event.

An organizer of an Event.

A performer at the event—for example, a presenter, musician, musical group or actor.

A sub property of object. The person or organization being followed.

The operating organization, if different from the provider. This enables the representation of services that are provided by an organization, but operated by another organization like a subcontractor.

An entity that arranges for an exchange between a buyer and a seller. In most cases a broker never acquires or releases ownership of a product or service involved in an exchange. If it is not clear whether an entity is a broker, seller, or buyer, the latter two terms are preferred.

Party placing the order or paying the invoice.

Organization or Person offering the job position.

The larger organization that this organization is a [subOrganization](https://schema.org/subOrganization) of, if any.

If applicable, the organization that officially recognizes this entity as part of its endorsed system of medicine.

A person or organization that supports a thing through a pledge, promise, or financial contribution. E.g. a sponsor of a Medical Study or a corporate sponsor of an event.

The person or organization who wrote a composition, or who is the composer of a work performed at some event.

The group the release is credited to if different than the byArtist. For example, Red and Blue is credited to "Stefani Germanotta Band", but by Lady Gaga.

The label that issued the release.

The brand(s) associated with a product or service, or the brand(s) maintained by an organization or business person.

A relationship between an organization and a department of that organization, also described as an organization (allowing different urls, logos, opening hours). For example: a store with a pharmacy, or a bakery with a cafe.

A person or organization who founded this organization.

A relationship between two organizations where the first includes the second, e.g., as a subsidiary. See also: the more specific 'department' property.

The organization or person from which the product was acquired.

The organization issuing the item, for example a [Permit](https://schema.org/Permit), [Ticket](https://schema.org/Ticket), or [Certification](https://schema.org/Certification).

An organization that this person is affiliated with. For example, a school/university, a club, or a team.

An organization that the person is an alumni of.

Organizations that the person works for.

The Organization (airline, travelers' club, retailer, etc.) the membership is made with or which offers the MemberProgram.