Who is building arbitrum?

Who exactly is the force behind the creation of Arbitrum? Could you please elaborate on the team or individual responsible for developing this platform? What kind of expertise and background do they possess in the field of cryptocurrency and finance? Are they known for any prior achievements in the industry? Moreover, what is their vision and mission for Arbitrum? Is there any specific technology or approach they are using that sets Arbitrum apart from other similar projects? I'm curious to know more about the minds behind this innovative cryptocurrency solution.