\documentclass{beamer}
\pagedir TRT\bodydir TRT\pardir TRT\textdir TRT
\begin{document}

\begin{frame}{Speaker's Name}{About Our Next Speaker}

  \begin{itemize}
  \item
    Current affiliation of Speaker's Name

    \begin{enumerate}
    \item
      Professor of mathematics, University of Wherever.
    \item
      Junior partner at company X.
    \item
      Speaker for organization/project X.
    \end{enumerate}
  \item
    Experience and achievements

    \begin{itemize}
    \item
      Academic degree, but only if appropriate
    \item
      Current and/or previous positions, possibly with dates
    \item
      Publications
    \item
      Awards, prizes
    \end{itemize}
  \item
    Concerning today's talk

    \begin{itemize}
    \item
      Expert who has worked in the field/project for X month/years.
    \item
      Will present his/her/group's/company's research on the subject.
    \item
      Will summarize project report or current project status.
    \end{itemize}
  \end{itemize}  
\end{frame}

\end{document}
