\documentclass[aspectratio=169, table]{beamer}
\mode<presentation>
{
  \usetheme{Madrid}      % or try Darmstadt, Madrid, Warsaw, ...
  \usecolortheme{beaver} % or try albatross, beaver, crane, ...
  \usefonttheme{serif}  % or try serif, structurebold, ...
  \setbeamertemplate{navigation symbols}{}
  \setbeamertemplate{caption}[numbered]
} 
\makeatletter
\setbeamertemplate{footline}{%
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\beamer@ifempty\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{2em}
    \insertframenumber{} \hspace*{2ex} 
  \end{beamercolorbox}}%
  \vskip0pt%
}
\makeatother
\usepackage[english]{babel}
\usepackage[utf8x]{inputenc}
\usepackage{listings}
\usepackage{tabularx}
\usepackage{booktabs, multicol, multirow}
\usepackage{pifont}
\usepackage{IEEEtrantools}
\usepackage[mathscr]{eucal}
\usepackage{array}
\lstset
{
    language=[LaTeX]TeX,
    breaklines=true,
    basicstyle=\tt\scriptsize,
    keywordstyle=\color{blue},
    identifierstyle=\color{magenta},
}
\usepackage{xcolor}
\hypersetup{
    colorlinks,
    linkcolor={red!50!black},
    citecolor={blue!50!black},
    urlcolor={blue!80!black}
}
\title[Short Title]{Presentation Title}
\author[Short Name]{Full Name}
\institute[Dept. Name]{Comillas Pontifical University}
\date[]{}
% \AtBeginSection[]
% {
%   \begin{frame}<beamer>
%     \frametitle{Outline}
%     \tableofcontents[currentsection,currentsubsection]
%   \end{frame}
% }
\begin{document}
% Title Page
{
\usebackgroundtemplate{\includegraphics[width=\paperwidth, ,height=\paperheight]{Classfiles/background_title.pdf}}%
\begin{frame}[plain]
    \begin{columns}
        \begin{column}{0.275\linewidth}
        %
        \end{column}
        %
        \begin{column}{0.7\linewidth}  
            \Huge 
            \phantom{red}\\
            \textbf{Presentation Title} \\
            %
            \vspace{40mm} % You can modify the vertical space to accommodate the title and author information
            %
            \begin{columns}
            \normalsize
            \color{white}
                \begin{column}{0.7\linewidth} 
                    Presenter Name \\ \vspace{2.5mm}
                    % Other names: \\
                    % \phantom{Other} Others 1 \\
                    % \phantom{Other} Others 2
                \end{column}
                %
                \begin{column}{0.25\linewidth} 
                    \begin{flushright} \vspace{12.5mm}
                        \small Date
                    \end{flushright}
                \end{column}
            \end{columns}
        \end{column}
    \end{columns}
    
\end{frame}
}
\color{black}
\normalsize
{
\usebackgroundtemplate{\includegraphics[width=\paperwidth, ,height=\paperheight]{Classfiles/background_others.pdf}}%
% Generate outline.
\begin{frame}{Outline}
  \tableofcontents
\end{frame}
\section{Introduction}
\begin{frame}{Frame Title}
    
\end{frame}
}
\end{document}