Castlight Health enables employers, their employees, and health plans to take control of health care costs and improve care. Named #1 on The Wall Street Journal’s list of “The Top 50 Venture-Backed Companies” for 2011 and one of Dow Jones’ 50 Most Investment-Worthy Technology Start-Ups, Castlight Health helps the country’s self-insured employers and health plans empower consumers to shop for health care. Castlight Health is headquartered in San Francisco and backed by prominent investors including Allen & Company, Cleveland Clinic, Maverick Capital, Morgan Stanley Investment Management, Oak Investment Partners, Redmile Group, T. Rowe Price, U.S. Venture Partners, Venrock, Wellcome Trust and two unnamed mutual funds.