Carl Duivenvoorden

Carl Duivenvoorden
Change Your Corner (external website)
Carl has been a LearnSphere associate for over a decade, with specialties in sustainability and helping people deliver effective presentations and pitches. He has presented to over 400 audiences, including businesses, governments, community organizations, universities and schools, helping people and organizations learn how they can save money, energy and our environment. His public speaking skills and expertise were developed over 30 years as a member of Toastmasters International; he has achieved the Distinguished Toastmaster designation, the organization's highest, six times. He brings fun, energy and passion to each presentation he delivers, and specializes in presenting complicated issues in a clear and easy-to-understand way.


  • Communications
  • Leadership


For more information visit ProfitLearn or Training for the Non-Profit Sector

Making the Perfect Pitch: Effective Business Presentation Skills

In business, the ability to deliver effective presentations that captivate, motivate or persuade lenders, prospective clients or potential investors is a critical skill. And how you say it is often as important as what you say.

In part 1 of this workshop, you will learn:

  • The four types of audience
  • How to determine your key messages
  • Secrets of effective organization and delivery

Part 2 will include:

  • Techniques for persuasion
  • How to handle a Q&A
  • How to use – and not use – PowerPoint
Profiting from Sustainability: Save Money, Grow your Business

Learn how to make your business more sustainable – and benefit from more than just energy and cost savings!

This engaging and interactive two-part online workshop series is for business owners and employees who want to save energy and money while growing their businesses. You'll learn about simple actions you can take, and how you can market your positive actions to promote and grow your business.

In part 1 you will learn:

• How to create a simple sustainability plan

• Where to find the biggest savings and have the greatest impact

• Best practices from businesses large and small

Part 2 will include:

• More energy saving and waste reduction opportunities

• How businesses can use their sustainability credentials to promote and market themselves

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