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Book Review of “Cold Call Algo” by Charles Needham and Justin Michael

How to Dominate the Art of Cold Calling

9 min readJul 14, 2025

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Ever heard about the term “Generation Mute”? These are those younger professionals who don’t use the phone to call someone. Bad luck for them: calling clients and even prospects still is and remains a way to disrupt the flood of written messages with the most unique instrument we have: our voice.

Just how to learn cold calling these days? The playbook of cold calling had to be rewritten in the age of AI. These days it’s not anymore about “dialling for dollars”, AI turned every rep into a “spam cannon”. So how to win when 98% of cold calls fail, it takes eight or more touches to reach decision makers and the average rep makes 330 dials per booked meeting?

The conductors of the cold calling symphony

That’s where two cold calling practitioners joined forces in writing the latest groundbreaking book about this topic:

  • Charles Needham is a master of refining data-driven processes that incorporate human psychology,
  • Justin Michael created his own sales JMM methodology as the new Q in future James Bond movies who serves by giving sales reps all they need to win the game in cold calling, a battle they thought was…

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Gunnar Habitz
Gunnar Habitz

Written by Gunnar Habitz

Business Book Builder, Strategic Networker, 28x published author, Course Creator, MC and Public Speaker from Sydney 🇦🇺

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