One Shift

One Shift

One idea. One action. Big difference.

One Shift is a weekly email that gives you one quick, actionable shift—tested in the real world—to help you lead with clarity, courage, and calm. You’ll also get first access to books, free trainings, workshops, and webinars.


Jef Menguin

Jef Menguin is an engaging keynote speaker and dynamic corporate trainer sought by CEOs and HR leaders in the Philippines. He is distinguished for sharing actionable ideas and easy-to-use frameworks on leadership, growth mindset, resilience, and teamwork.

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25 Great Entrepreneurs Who Failed Harder and Won Bigger

Entrepreneurs get stuck when they expect a clean path, so one big setback can break their momentum. In this article, Jef Menguin shows why great entrepreneurs treat failure as part of the process—and how their stories become practical blueprints for action. Read it and share it with your team so you learn to adapt, persist, and turn hard weeks into better decisions.

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How to Write a Notice to Explain (Step-by-Step Guide)

A weak notice to explain turns discipline into drama—employees feel ambushed, managers get reactive, and the issue escalates instead of getting resolved. In this article, Jef Menguin shows how to write an NTE that asks “what happened?” without sounding like a verdict. Practice the approach and pass it to your leaders so you protect accountability and relationships.

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Crop colleagues in formal wear checking documents

How to Answer a Notice to Explain

If you answer a notice to explain with emotions, excuses, or vague stories, you can make a bad situation worse—and damage your reputation at work. In this article, Jef Menguin lays out a simple step-by-step way to respond to an NTE: acknowledge the issue, explain the facts, attach proof, and propose solutions. Practice it and share it with your managers so accountability stays firm without humiliating people.

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mastering time management

Find Your Most Productive Time of Day

If you don’t know your most productive time of day, you’ll keep spending your best brainpower on emails and meetings, then force “important work” when you’re already tired. In this article, Jef Menguin shares a simple method to map your energy rhythm and match tasks to your peak. Use it, then teach it at work so your team plans around A-game hours instead of relying on willpower.

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