Jenny Blake, co-founder of Google's career development mentorship program, has helped more than 1,000 people navigate their careers.
She knows that in order to get anywhere in life, you have to address your fears head on.
Whether you're looking to change careers, take on new projects at work or launch a side gig, Blake says it's all about asking yourself one crucial question.
"It's really important for each person to define this — 'What does failure actually mean to me?'" Blake told CNBC.