The Intergalactic Conference

In the very distant future, the planet Earth has developed an alliance with other human planets. This will be the very first Intergalactic Conference. Quite a remarkable and historical event. Planet Earth has decided to send one person to the conference to give a presentation about Earth and get the other planets excited about us. 

After an extremely intensive selection process, the following people made it to the final round of selection:

World's Most Loving Teacher

World's Most Altruisitc Doctor

World's Most Innovative Engineer

World's Most Popular President

World's Funniest Author

World's Hardest Working Garbage Man

World's Poorest Homeless Man

World's Greatest Business Man

Who do we send to represent Earth?