The title is quite self explanatory so here they are:
Business Mogul (entrepreneur)
Pros: Due to your background you start with 2 million in extra funds.
Higher reputation
Cons: Employees expect you to pay more, you cannot pay them any less than default.
Life-long pilot
Pros:
Your friends know it was your dream to start an airline, so for christmas they decide to all pitch in and pay you're first year's lease on you're first plane. With you're extra money you decide to lease another. You have two starting aircraft. One paid for a year!
You can pay your employees less and they stay happy
Cons:
1 Million less starting funds
Buy a struggling airline
Pros: Your airline has 3 aircraft to begin with
Cons
You ONLY have 1 million to start off!
So there you have it. If you have more put them in the comments!