The hedge fund game is dominated by big players, and it can be tough for true innovators to carve out a niche. Here are eight people making their mark with new twists on fees, data, ESG investing, and more. Investors have questioned the hedge fund industry's high fees and recent lackluster performance — which has helped make the case for new ideas more compelling. Click here for more BI Prime stories. The hedge fund industry is often slow to embrace change.