\usepackage{graphicx,type1cm,eso-pic,color}

\makeatletter
          \AddToShipoutPicture{
            \setlength{\@tempdimb}{.75\paperwidth}
            \setlength{\@tempdimc}{.25\paperheight}
            \setlength{\unitlength}{1pt}
            \put(\strip@pt\@tempdimb,\strip@pt\@tempdimc){
        \makebox(0,0){\rotatebox{55}{\textcolor[gray]{0.9}
        {\fontsize{3cm}{3cm}\selectfont{\ProfName}}}}
            }
        }
\makeatother