Analysis of information sources in references of the Wikipedia article "Scrum (software development)" in English language version.
[...] in practice there proves to be two critical aspects to this role: first as a stakeholder proxy within the development team and second as a project team representative to the overall stakeholder community as a whole.
Ken Schwaber and Jeff Sutherland presented Scrum for the first time at the OOPSLA conference in Austin, Texas, in 1995. [...] In 2001, the first book about Scrum was published. [...] One year later (2002), Ken founded the Scrum Alliance, aiming at providing worldwide Scrum training and certification.
Moving the Scrum Downfield