\documentclass{ppex}
\nonstopmode
\usepackage {pstcol,pst-node}
\pagestyle{empty}

\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage {pstcol,pst-node}
\psset{arrows=->,fillcolor=white,fillstyle=solid}
\newcommand{\Show}[1]{\psshadowbox{#1}}
\definecolor{pink}{rgb}{1, .75, .8}
\begin{psmatrix}[mnode=r,ref=t]
 \psframebox[linestyle=none,framesep=.75]{%
   \begin{psmatrix}
     [name=A,ref=c]\Show{Stakeholder}
   \end{psmatrix}} &
 \psframebox[fillstyle=solid,fillcolor=pink,framesep=.75]{%
   \rule{1cm}{0pt}
   \begin{psmatrix}[ref=c]
     [name=B]\Show{Goal} & \Show{Criteria}\\
             \Show{Sub-goal} & \Show{Justification}
     \ncline{1,1}{1,2}
     \ncline{1,1}{2,2}
     \ncline{1,1}{2,1}\tlput{Strategy}
     \ncline{2,1}{2,2}
   \end{psmatrix}}
\end{psmatrix}
\ncline[angleB=180]{A}{B}\naput[npos=.7]{Model}
\end{document}