Jen Sincero

Jen Sincero, born August 7, 1965, pioneered a new approach to self-help writing. The master of self-improvement had humble beginnings, starting her career in writing by writing blog and magazine articles for various companies before she found her passion for personal development. She became a published author in the early 2000s writing novels and light-hearted humorous content before graduating to the self-help books for which she became famous. She started publishing her self-help books in the early 2010s and has ridden the wave of success ever since, branching out to coaching programs and podcasts. Help us celebrate her birthday here today!

Fast Facts

Full Name:

Jen Sincero

Birth date:

August 7, 1965



Zodiac Sign:



5' 7"

Net Worth:

$6 million

Jen's Social Media:


Jen Sincero is a top-selling author, career coach, and motivational speaker. Sincero was born on August 7, 1965, in Westchester, New York. She has Italian heritage from her father, Domenico, and American heritage from her mother, Susan. She went to Briarcliff High School and graduated from Colorado College in 1987 with a Bachelor of Arts degree in English. She started her career working in marketing for CBS/Epic Records in the 1990s. In the early 2000s, she worked as a freelance writer writing blogs, magazine articles, and marketing materials for various clients.

Sincero published her first book, “Don’t Sleep With Your Drummer,” through M.T.V. Books in 2003. In 2005, she published her second book “The Straight Girl’s Guide to Sleeping With Chicks” through Simon & Schuster. Sincero started facilitating Ladies Who Launch, a series of women’s entrepreneurial business development workshops, in 2008. These workshops served as a jumping point for her career as a life and success coach.

In 2013, she published her third book, “You Are A Badass: How To Stop Doubting Your Greatness and Start Living an Awesome Life,” through Running Press. The book went on to sell over five million copies and became a number one “New York Times” bestseller in 2015. It stayed on the top 10 “NY Times” bestseller list for almost five years. She was awarded an Audie Award for her narration of the book by the American Audio Publishers Association in 2014. She released a series of three follow-up books through Viking Press including “You Are a Badass at Making Money: Master the Mindset of Wealth,” which also became a “New York Times” bestseller in 2017.

Career timeline

She Publishes Her First Book

Sincero becomes a published author with the release of her first book, “Don’t Sleep With Your Drummer.”

She Begins Her Self-help Career

Sincero develops a series of entrepreneurial workshops for women called Ladies Who Launch.

Sincero Publishes Her First “Badass” Book

The author releases her book “You Are A Badass: How To Stop Doubting Your Greatness and Start Living an Awesome Life,” which is the first in a series of self-help books referred to as the “Badass” series.

She Wins an Audie Award

Sincero is awarded the prestigious audiobook award by the American Audio Publishers Association for her narration of “You Are A Badass: How To Stop Doubting Your Greatness and Start Living an Awesome Life.”

She Becomes a Best-selling Author

Sincero’s first “Badass” book becomes a certified “New York Times” best-seller.

Why We Love Jen Sincero

  1. She’s passionate about helping people

    Sincero has written her books in an everyday tone designed to be accessible to her readers. In addition to her books, she also has career coaching programs designed to further transform her fans’ personal and professional lives.

  2. She promotes other authors

    Sincero isn’t shy about recommending other self-help gurus to her readers. She regularly posts content from other writers on her social media and her website’s ‘Resources’ page is dedicated to acknowledging other coaches who have influenced her and her work.

  3. She is secure in herself

    As with any writer, Sincero has been harshly critiqued by book critics who have said she hasn’t said anything new or groundbreaking. Instead of mulling over the criticism, she has focused on her unique approach to life coaching, saying “I knew I was saying it in a new way.”

5 Surprising Facts

  1. She’s a musician

    Sincero is the co-founder of a band called Crotch and the Jenny Clinkscales band.

  2. She nearly had a T.V. series

    Oxygen and HBO considered “Don’t Sleep With Your Drummer” for a T.V. adaptation.

  3. She’s published in 40+ languages

    Her seminal self-help book, “You Are A Badass: How To Stop Doubting Your Greatness and Start Living an Awesome Life” has been published in over 40 languages.

  4. She’s been on T.V. shows

    Sincero has appeared on multiple talk shows like “The Dr. Oz” show and “The Howard Stern Show.”

  5. She has a series of merchandise

    Sincero sells a range of mugs, calendars, and note cards based on her books.

Jen Sincero FAQs

What is Jen Sincero’s religion?

Sincero says she grew up without religion or spirituality.

Does Jen Sincero have a podcast?

Yes, she has a podcast called “Good Life Project” on Apple Podcasts.

How do I contact Jen Sincero?

People can send her an email at

Jen Sincero’s birthday dates

2024August 7Wednesday
2025August 7Thursday
2026August 7Friday
2027August 7Saturday
2028August 7Monday

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