documentclass[a0paper,portrait]{baposter}
usepackage{lmodern}
usepackage[T1]{fontenc}
usepackage{amsmath}
newcommand{twoobjects}[2]{%
leavevmodevbox{hbox{#1}nointerlineskiphbox{#2}}%
}
newcommand{compresslist}{%
setlength{itemsep}{0pt}%
setlength{parskip}{1pt}%
setlength{parsep}{0pt}%
}
newenvironment{boenumerate}
{begin{enumerate}renewcommandlabelenumi{textbftheenumi.}}
{end{enumerate}}
newlengthColsep
setlengthColsep{1pt}

typeout{Poster rendering started}

 %%% Setting Background Image
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 background{
 begin{tikzpicture}[remember picture,overlay]%
 draw (current page.north west)+(-2em,2em) node[anchor=north west]
 {includegraphics[height=1.1textheight]{background}};
 end{tikzpicture}
 }

 begin{document}
 definecolor{darkgreen}{cmyk}{0.8,0,0.8,0.45}
 definecolor{lightgreen}{cmyk}{0.8,0,0.8,0.25}
 definecolor{redorange}{cmyk}{0,0.91,0.50,0.40}
 definecolor{apricot}{cmyk}{0,0.34,0.19,0.20}
 definecolor{beige}{rgb}{0.96, 0.96, 0.86}
 definecolor{blond}{rgb}{0.98, 0.94, 0.75}
 definecolor{buff}{rgb}{0.94, 0.86, 0.51}
 definecolor{palegoldenrod}{rgb}{0.93, 0.91, 0.67}
 begin{poster}
 {
 grid=false,
 headerborder=open, % Adds a border around the header of content boxes
 colspacing=1em, % Column spacing
 bgColorOne=palegoldenrod, % Background color for the gradient on the
 left side of the poster
 bgColorTwo=white, % Background color for the gradient on the right
 side of the poster
 borderColor=redorange, % Border color
 headerColorOne=apricot, % Background color for the header in the
 content boxes (left side)
 headerColorTwo=apricot, % Background color for the header in the
 content boxes (right side)
 headerFontColor=white, % Text color for the header text in the
 content boxes
 boxColorOne=beige, % Background color of the content boxes
 textborder=rounded, %rectangle, % Format of the border around content
 boxes, can be: none, bars, coils, triangles, rectangle, rounded,
 roundedsmall, roundedright or faded
 eyecatcher=false, % Set to false for ignoring the left logo in the
 title and move the title left
 headerheight=0.11textheight, % Height of the header
 headershape=rounded, % Specify the rounded corner in the content box
 headers, can be: rectangle, small-rounded, roundedright, roundedleft
 or rounded
 headershade=plain,
 headerfont=Largetextsf, % Large, bold and sans serif font in the
 headers of content boxes
 %textfont={setlength{parindent}{1.5em}}, % Uncomment for paragraph
 indentation
 linewidth=2pt % Width of the border lines around content boxes
 }
 {}
 %
 %--------------------------------------------------------------------
 --------------------
 %   TITLE AND AUTHOR NAME
 %--------------------------------------------------------------------
 --------------------
 %
 {textsf %Sans Serif
 {Poster Title
 }
 }
 {sfvspace{0.005em}\
 Authors
 vspace{0.1em} \
 small{University
 vspace{0.2em}leavevmode \
 Department
 vspace{0.2em} \
 email}
 }
 {
 twoobjects
        {includegraphics[width=10em,height=4em]{logo1}} % i want this
 on the left
        {includegraphics[width=10em,height=4em]{logo2}} %i want this
 on the right
 }
 end{document}