\documentclass{beamer}

\usepackage[british]{babel}
\usepackage{listings}
\usepackage{clean}
\usepackage{booktabs}

\title{Integrating the Internet of Things with iTasks}
\subtitle{Research internship}
\author[M. Lubbers]{Mart Lubbers}
\institute[Radboud University Nijmegen]{%
	Supervisors:\\
	Rinus Plasmeijers\\
	Pieter Koopman}
\date{\today}

\AtBeginSection[]{%
	\begin{frame}
		\frametitle{Table of Contents}
		\tableofcontents[currentsection]
	\end{frame}
}