makeatletter
 defmaketitle{%
 begin{center}
  vspace*{3mm}%
  textbf{large{MakeUppercase{@title}}}%
  parvspace*{5mm}{@author}%
  parvspace*{10mm}%
 end{center}%
 }
makeatother

author{uppercase{F. Irst} \%
  textit{bla bla bal} \%
  textsc{Email}: texttt{f.irst@something.edu}\[2mm]
  uppercase{S. Econd} \%
  textit{etc etc etc} \%
  textsc{Email}: texttt{s.econd@somethingelse.edu}%
  }

author{F. Irst}
address{bla bla bal}
email{f.irst@something.edu}
author{S. Econd}
address{etc etc etc}
email{s.econd@somethingelse.edu}