[x] Irrigation Engineer: Need to set up sprinklers, greenhouses, drainage, artificial lighting or cooling systems? Then this guy is the man for the job.
[X] Weather Wizard: This frankly bizarre individual claims to be able to control the weather, and there might be some level of credibility to that. Either that, or he just gets absurdly lucky with his random guessing of the weather weeks in advance.
[X] Lawyer: Sometimes a team gets sued for stupid bullshit reasons. It's always dumb, but on rare occasions it can be really helpful to have a lawyer available.
[x] Soil Biologist: This woman knows her dirt; she's able to carefully monitor the state of the soil your tree is growing in, and can easily suggest ways to make it even more fertile.
[x] Professional Treeologist: This lady has performed years of study to learn every detail she can about tree biology! She can provide incredibly in-depth details on your tree's state of health.
[X] Tree-Hugger: Though not as specialized as the Treeologist, Irrigation Engineer, or Soil Biologist, a Tree-Hugger is still fairly competent at all three of their roles, though only to a basic level.