Tennis legend Serena Williams is starring in a Super Bowl ad this Sunday for Tonal Systems Inc.’s home fitness gym, but there’s a whole lot more going on than just another celebrity pitching a product during the big game.
The 23-time Grand Slam singles title winner is also an investor in the company, which was valued at $1.6 billion in a funding round last year. It’s part of a larger Williams portfolio that includes several startups now valued at more than $1 billion, including Impossible Foods Inc., Daily Harvest Inc. and Noom Inc.
