Proxy advisors (e.g., Institutional Shareholder Services (“ISS”) and Glass, Lewis & Co (“Glass Lewis”)) have played a substantial role in the design of executive compensation for many years.   This has been due to the strong reliance of institutional investors (as well as investment advisors) on the proxy voting recommendations of firms such as ISS and Glass Lewis.  Some commentators have viewed the proxy advisors as being quasi-regulators without any formal oversight of their potential conflicts…