begin{tabular}{|left column|empty space between|right column|}

documentclass[twocolumn,12pt,mysize]{Proposal}
usepackage[normalem]{ulem}
usepackage{longtable}
usepackage{multicol}
usepackage{colortbl}
usepackage{hyperref}
usepackage{graphicx}
usepackage{midpage}
 setlength{tabcolsep}{.1em}
  begin{tabular}{|m{8.2cm}|m{1cm}|m{8.2cm}|}
   hline
    {Largetextbf {Jack Smith,}}newline
    {Largetextbf CEO}newline
    & &
    Peter Parker,newline
    Spidermannewline \
   hline
    Lorum & & Ipsum \
   hline
  end{tabular}

documentclass{article}
usepackage{array,lscape}
begin{document}

begin{landscape}
 setlength{tabcolsep}{.1em}
  begin{tabular}{|m{8.2cm}|m{1cm}|m{8.2cm}|}
   hline
    {Largetextbf {Jack Smith,}}newline
    {Largetextbf CEO}newline
    & &
    Peter Parker,newline
    Spidermannewline \
   hline
    Lorum & & Ipsum \
   hline
  end{tabular}

bigskip

  begin{tabular}{|p{8.2cm}|p{1cm}|p{8.2cm}|}
   hline
    Largebfseries strut Jack Smith,newline
     CEOnewline
    & &
    Peter Parker,newline
    Spidermannewline \
   hline
    Lorum & & Ipsum \
   hline
  end{tabular}

end{landscape}
end{document}