Watch This: Jay P. Morgan's Corporate Portrait Primer
Commercial photographer Jay P. Morgan's The Slanted Lens videos (which you may remember from this insane portrait) are consistently good stuff.
Today, he dials it back a notch or three to give a great walk-thru on corporate portraiture. Solid basic info, plus some tips that you may well not have known. Trust me, the flag-for-light-shirts thing alone will save you much needless Photoshopping?