Jobs in 20 year time

3D Food Printer Engineers - 3D Food Printers. Additive manufacturing, or 3D printing, is a process where an object has created a layer by successive layer to form a whole. The skill you need to have this job is knowing about food, math, chemistry, the technology and how to make it.
3D Printing Engineers - 3D printing is any of various processes in which material is joined or solidified under computer control to create a three-dimensional object, with the material being added together. The skill you need to get this job is knowing how it work and you have to be good that engineers and math.
Extinction Revivalist- People who revive extinct animals. The skill you need to get this job is math, physics, biology, chemistry, geography and English.