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Nimble Penguin
About Us
Testimonials
Coaching
Founder Community
Startup Advising
Writing
Let's Chat!
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After 8 hours in an ER recently, I couldn't stop thinking about our nurse, Lisa.
Sarah Bierenbaum 12/3/25 Sarah Bierenbaum 12/3/25

After 8 hours in an ER recently, I couldn't stop thinking about our nurse, Lisa.

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I'm the child of two psychologists, and I still had to cry alone in my house before I finally called a therapist.
Sarah Bierenbaum 12/2/25 Sarah Bierenbaum 12/2/25

I'm the child of two psychologists, and I still had to cry alone in my house before I finally called a therapist.

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“Bottom line, there’s also no evidence that umbrellas don’t cause kittens”
Sarah Bierenbaum 11/22/25 Sarah Bierenbaum 11/22/25

“Bottom line, there’s also no evidence that umbrellas don’t cause kittens”

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I tried to treat myself and ended up staring at a half-eaten cookie like "who even am I anymore?”
Sarah Bierenbaum 11/13/25 Sarah Bierenbaum 11/13/25

I tried to treat myself and ended up staring at a half-eaten cookie like "who even am I anymore?”

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Do you remember picking out your paper planner at the start of each school year?
Sarah Bierenbaum 11/4/25 Sarah Bierenbaum 11/4/25

Do you remember picking out your paper planner at the start of each school year?

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I did something completely new to me: a Full Hourglass session with Sirius Bonner.
Sarah Bierenbaum 10/30/25 Sarah Bierenbaum 10/30/25

I did something completely new to me: a Full Hourglass session with Sirius Bonner.

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I spent years believing the next thing would be the thing.
Sarah Bierenbaum 10/29/25 Sarah Bierenbaum 10/29/25

I spent years believing the next thing would be the thing.

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“I'm through accepting limits / 'Cause someone says they're so / Some things I cannot change / But 'til I try, I'll never know”  -- Wicked, “Defying Gravity”
Sarah Bierenbaum 10/14/25 Sarah Bierenbaum 10/14/25

“I'm through accepting limits / 'Cause someone says they're so / Some things I cannot change / But 'til I try, I'll never know” -- Wicked, “Defying Gravity”

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What's your favorite excuse to work in a coffee shop instead of home?
Sarah Bierenbaum 10/10/25 Sarah Bierenbaum 10/10/25

What's your favorite excuse to work in a coffee shop instead of home?

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"Everyone would think I'm crazy not to pursue this opportunity."
Sarah Bierenbaum 10/9/25 Sarah Bierenbaum 10/9/25

"Everyone would think I'm crazy not to pursue this opportunity."

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I knew exactly how to help her succeed. But the situation made it impossible.
Sarah Bierenbaum 10/7/25 Sarah Bierenbaum 10/7/25

I knew exactly how to help her succeed. But the situation made it impossible.

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The power of this table is how much we’ve changed each other. ❤️
Sarah Bierenbaum 10/2/25 Sarah Bierenbaum 10/2/25

The power of this table is how much we’ve changed each other. ❤️

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“It’s time to trust my instincts / Close my eyes and leap.”
Sarah Bierenbaum 9/30/25 Sarah Bierenbaum 9/30/25

“It’s time to trust my instincts / Close my eyes and leap.”

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I’m practicing saying “no” before I start saying “yes”.
Sarah Bierenbaum 9/23/25 Sarah Bierenbaum 9/23/25

I’m practicing saying “no” before I start saying “yes”.

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Y’all. I just finished a business book, and I can’t decide if I want to recommend it or hurl it at the wall.
Sarah Bierenbaum 9/16/25 Sarah Bierenbaum 9/16/25

Y’all. I just finished a business book, and I can’t decide if I want to recommend it or hurl it at the wall.

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Who needs your attention right now?
Sarah Bierenbaum 9/10/25 Sarah Bierenbaum 9/10/25

Who needs your attention right now?

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Have you ever negotiated so poorly that your new boss offered you 15% more than you asked for?
Sarah Bierenbaum 9/4/25 Sarah Bierenbaum 9/4/25

Have you ever negotiated so poorly that your new boss offered you 15% more than you asked for?

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Sunday was my birthday and I turned 48. 🥳
Sarah Bierenbaum 9/2/25 Sarah Bierenbaum 9/2/25

Sunday was my birthday and I turned 48. 🥳

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What’s the hardest part of stepping into an exciting new role?
Sarah Bierenbaum 8/30/25 Sarah Bierenbaum 8/30/25

What’s the hardest part of stepping into an exciting new role?

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What's the difference between someone that supports you and someone that challenges you?
Sarah Bierenbaum 8/30/25 Sarah Bierenbaum 8/30/25

What's the difference between someone that supports you and someone that challenges you?

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