WRDS
BoardEx- Data on board of directors and top executives across the world.
GMI Ratings-This corporate governance historical dataset (formerly GMI Ratings) is updated annually and contains approximately 225 unique data points organized into four primary categories (1. Companies; 2. Directors; 3. CEO Compensation; 4. Takeover defenses) for approximately 3,000 US companies. The dataset is updated annually and dates back to 2001.
Price :$20,000 (w/o GST)