Who is behind USD Coin?

Could you please elaborate on the identity of the entities behind USD Coin? I'm curious to know who the key players are in its development and operation. Could you provide some insight into their backgrounds and qualifications? Additionally, I'm interested in understanding the motivation behind creating USD Coin and its intended purpose in the cryptocurrency and finance industry. Could you also discuss its legal and regulatory standing, as well as any potential risks associated with investing in it? Thank you for your assistance in clarifying these points.