Women in the corporate workplace have had lots of press lately. First, the September issue of Fortune magazine with its list of the 50 most powerful women. Then came the report by Lean In and McKinsey & Company, Women in the Workplace 2015, and Sheryl Sandberg’s summary of the report in the Wall Street Journal. It’s a mixed bag of positive and negative. Let’s take the “glass half full” view and celebrate 50 incredibly powerful women.