"The amount of serendipity that will occur in your life, your Luck Surface Area, is directly proportional to the degree to which you do something you’re passionate about combined with the total number of people to whom this is effectively communicated." – Jason Roberts
The two components of the idea above:
1) Finding something you love.
2) Figuring out how to communicate it.
You have a built-in advantage in this process if the thing you love to do produces something you can share with the world.
This was an accidental discovery for me having pursued design as a career. Every day you make an artifact that follows you around forever.
In interviews, your background didn't matter - your work did.
"Don't tell me what you think, show me your portfolio." — Nassim Taleb
The above quote is taken slightly out of context (referring to financial positions) but the concept remains true.
In an increasingly digital world, finding a way to generate proof of work and publish it digitally is a way to compound your effort into the future, seeding relationships and opportunities that you can't conceive of in the present.