\documentclass[t,10pt]{beamer}
\mode<presentation>
\usetheme{UNIVALLEstyle}
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\usepackage[english]{babel}
%\usepackage[latin1]{inputenc}
\usepackage[utf8]{inputenc}
\usepackage{times}
\usepackage[T1]{fontenc}
\usepackage{booktabs}
\usepackage{textpos}
\usepackage{multicol}
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% \title[My Research] % (optional, use only with long paper titles)
\title{Titulo}
%\subtitle{Optional Subtitle} % (optional)
%\author[First Last] % (optional, use only with lots of authors)
%{First~Last}
\author[Authors]{Author 1, Author 2 and Author 3}
% \UVautor
\institute[UNIVALLE]
{ Director 1 and Director 2 \\
\vspace{0.5cm}
\includegraphics[height	= 1.0cm]{PSI_LOGO.png}
%\hfill \includegraphics[height	= 1.0cm]{PSI_LOGO.png}
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\\
  \textbf{EIEE}, Facultad de Ingeniería
}
% \footlineupper{\insertshorttitle}
% \footlinelower{ \the\year{}}
\subject{Presentation}
\date{\tiny{\today}} %% uncomment to leave out the date, or to use a specific date
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\begin{document}
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\titlepage%this builds the initial slide
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\begin{frame}
\frametitle{Outline}
\begin{multicols}{2}
\tableofcontents
\end{multicols}
\end{frame}
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\section{Introduction}
\begin{frame}
  \frametitle{}
  \begin{block}{A block}
  A block with relevant information about your research topic \cite{ref_1}.
  \end{block}
  Or a description about your research topic. 
\end{frame}
%\subsection{Problem}
\begin{frame}
  \frametitle{Research Problem}
  \begin{center}
  What is the problem \cite{ref_2} in which you are going to work?(It should be a question)
       
  \end{center}
 
\end{frame}
%\subsection{Aims}
\begin{frame}
  \frametitle{What?}
  \begin{theorem}
  Perhaps a theorem?
  \end{theorem}
\end{frame}
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\section{Methodology/Solution}
\subsection{Main Topic No. 1}
\begin{frame}
  \frametitle{What did you do?}
  \begin{exampleblock}{Example 1}
  Perhaps an example?
  \end{exampleblock}
\end{frame}
\begin{frame}
  \frametitle{Where?}
  \begin{block}{A small table}
  \begin{center}
  \begin{tabular}{ccc}
  \toprule
  Method & $x$ & $y$ \\
  \midrule
  Mine  & 1.23 & 4.56 \\
  Yours & 2.34 & 5.68 \\
  \bottomrule
  \end{tabular}
  \end{center}
  \end{block}
\end{frame}
\subsection{Main Topic No. 2}
\begin{frame}
  \frametitle{What did you do?}
  \begin{exampleblock}{Example 1}
  Perhaps an example?
  \end{exampleblock}
\end{frame}
\begin{frame}
  \frametitle{Where?}
  \begin{block}{A small table}
  \begin{center}
  \begin{tabular}{ccc}
  \toprule
  Method & $x$ & $y$ \\
  \midrule
  Mine  & 1.23 & 4.56 \\
  Yours & 2.34 & 5.68 \\
  \bottomrule
  \end{tabular}
  \end{center}
  \end{block}
\end{frame}
\subsection{Main Topic No. 3}
\begin{frame}
  \frametitle{What did you do?}
  \begin{exampleblock}{Example 1}
  Perhaps an example?
  \end{exampleblock}
\end{frame}
\begin{frame}
  \frametitle{Where?}
  \begin{block}{A small table}
  \begin{center}
  \begin{tabular}{ccc}
  \toprule
  Method & $x$ & $y$ \\
  \midrule
  Mine  & 1.23 & 4.56 \\
  Yours & 2.34 & 5.68 \\
  \bottomrule
  \end{tabular}
  \end{center}
  \end{block}
\end{frame}
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\section{Results}
\subsection{Treatment A}
\begin{frame}
  \frametitle{Who?}
\end{frame}
\subsection{Treatment B}
\begin{frame}
  \frametitle{What?}
\end{frame}
\subsection{Treatment C}
\begin{frame}
  \frametitle{When?}
\end{frame}
\subsection{Treatment D}
\begin{frame}
  \frametitle{Cost?}
\end{frame}
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\section{Conclusions}
\begin{frame}
  \frametitle{Conclusions}
  \begin{itemize}
      \item{Conclusion No. 1.}
      \item{Conclusion No. 2.}
      \item{Conclusion No. 3....} 
  \end{itemize}
\end{frame}
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\section{Future Works}
\begin{frame}
  \frametitle{Future Works}
  \begin{itemize}
      \item{Future Work No. 1.}
      \item{Future Work No. 2.}
      \item{Future Work No. 3....} 
  \end{itemize}
\end{frame}
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\section{References}
\begin{frame}[allowframebreaks]
        \frametitle{References }
        \bibliographystyle{IEEEtran}
        \bibliography{References.bib}
\end{frame}
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\end{document}