Ninzio Testimonial – Amr Badran

Chris Grosser

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Jim Rohn

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Robert Kiyosaki

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Sanford I. Weill

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Fabrizio Moreira

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Satya Nadella

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Sallie Krawcheck

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Lucius Annaeus Seneca

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Max De Pree

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P. T. Barnum

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Steve Jobs

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Roger Staubach

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Vivek Wadhwa

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Marissa Mayer

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Anthony Volodkin

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Dave Thomas

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Reid Hoffman

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Thomas Edison

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David Brinkley

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Jim Rohn

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Mark Zuckerberg

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Walt Disney

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Lisa Stone

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Reid Hoffman

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Tony Hsieh

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Joel Spolsky

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Mark Pincus

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Steve Jobs

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Stephen Hawking

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Rob Kalin

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Barack Obama

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Michael Arrington

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Biz Stone

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Guy Kawasaki

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Jill Konrath

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Jason Calacanis

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Sun Tzu

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Sheryl Sandberg

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Marilyn Suttle

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Jack Canfields

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Adlai E. Stevenson II

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Nelson Mandela

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Brian Tracy

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Peter Drucker

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George Washington

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Douglas MacArthur

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Edward Rickenbacker

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Margaret Wheatley

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Margaret Mead

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King George VI

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Publilius Syrus

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Ray Kroc

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Grace Murray Hopper

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Johann Wolfgang Von Goethe

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John C. Maxwell

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Margaret Wheatley

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Harold R. McAlindon

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Robert Louis Stevenson

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Edith Wharton

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William Arthur Ward

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Confucius

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Eleanor Roosevelt

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Jeanette Rankin

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John F. Kennedy

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John F. Kennedy

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Pete Hoekstra

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Dianne Feinstein

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Ray Kroc

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Stephen Covey

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John Kenneth Galbraith

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John Buchan

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Margaret Wheatley

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Margaret Wheatley

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Robert Townsend

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Margaret Wheatley

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Zig Ziglar

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Maya Angelou

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Stephen Covey

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Stephen Covey

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Stephen Covey

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Steve Jobs

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Mary D. Poole

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Steve Jobs

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Walter Cronkite

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Unknown

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Jeff Bezos

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Mark Zuckerberg

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George S. Patton Jr.

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Margaret Wheatley

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Vince Lombardi

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Abraham Lincoln

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Abraham Lincoln

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Bill Bradley

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Peter Drucker

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John Kenneth Galbraith

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Vince Lombardi

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Lyndon B. Johnson

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Robert F. Mager

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Margaret Wheatley

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Max De Pree

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