I have the following MWE.bib:
@report{MWE,
title = {Testing},
number = {05-0124},
institution = {{tex.SE}},
type = {Working {{Papers}}},
author = {Doe, John and Doe, Jane and Else, Someone},
date = {2005}
}
I also have the following .tex:
\documentclass{report}
\usepackage[style=authoryear,backend=biber,giveninits=true]{biblatex}
\addbibresource{MWE.bib}
\begin{document}
\nocite{MWE}
\printbibliography
\end{document}
The output I get is:
Why is only the first author's name reversed (Last, First), while the other authors' names aren't? Is there some additional option I need to pass to biblatex?

\DeclareNameAlias{sortname}{family-given}to your preamble? – Mensch Nov 01 '17 at 01:44