What's The Executive Sponsor?

Executive Sponsor is the Senior member from the client side for whom the project is being executed . i.e a Senior representative from the particular client department 

Executive sponsor (sometimes called project sponsor or senior responsible owner) is a role in project management, usually the senior member of the project board and often the chair.

xecutive Sponsorship is an individual or set of individuals with high level responsibility for the success of a project. They are responsible for making decisions relating to an organization’s direction, strategy, and financial commitments that cannot be determined by functional leads alone. For example, they would approve financial outlays for hardware,

Executive Sponsor could be any authorized organization senior C-level person, such as, CEO, CIO, CISO, CTO, CFO, or others who owns the project authority of the organization.

I agree with Mr.Kinsbergen, Mr.Alex, Mr Ali and Mr.Jetley

An executive sponsor is a C-level administrator who has a vested interest in seeing a project to completion.

Ideally, the executive sponsor should be the highest-ranking manger possible, relative to the size of the project.

usually the senior member of the project board and often the chair

I go by the given answers as:

Executive sponsor is the person that is ultimately responsible for the project within a company.

Executive sponsor (sometimes called project sponsor or senior responsible owner) is a role in project management, usually the senior member of the project board and often the chair. The project sponsor will be a senior executive in a corporation (often at or just below board level) who is responsible to the business for the success of the project.

Executive sponsor (also called project sponsor) is the person that is ultimately responsible for the project within a company.

Sometimes this role is held by the project manager, but ideally it is held by someone in senior management.

There are several great explanations on what an Excetuive Sponsor is ... I like Mr. Vinod Jetley's answer best