Mindset coach Amber Deibert: helps Silicon Valley business leaders get past impostor syndrome, which she once battled herself. She says too many top performers miss out on life's joys because their accomplishments only reinforce a sense of unworthiness. She turns that thinking on its head, saying, "You cannot feel impostor syndrome unless you're a success." Her advice to those afraid of achievement: Accept anxiety as a natural response to the mind being challenged, just as muscle ache follows a workout. "Don't make it mean anything about you," she says.

Hear Amber help John deal with his own impostor syndrome, which she says stems from a long-standing fear that he's not smart, despite a successful busine