Welcome to the communication Department.

Here at CCL Personal Development, we know just how importent communication is to every aspect of life. From career to your personal life. This is why we offer coaching and classes on Public Speaking, Conversational English, and Interpersonal interaction.

Click on the topics below the sections to see more information.

Dennis R Sumlin at The City Colege of New York

Online Classroom: (Click to see how to enter.)

Enter the Core Confidence Zoom Classroom! (Click to close section)

This is the live stream and classroom area. Interviews and other free stream content is here, as well as any live class/course. Click the “attend” link to join the event. You will need Zoom Conferencing to attend the event. Get Zoom here. Its Free! Clicking on the “join” link will promt you to download Zoom.

Public Speaking

Speaking Courses (Click to see more...)

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One-On-One Classes. (Click for details)

You know that good communication helps advance your career as well as enhance your reputation as an expert in your field. Even so, you still may be nervous about speaking to a crowd.

You are not alone. Close to 75% of people have a fear of public speaking, but you can override that! Gain more listeners, more clients and more money by boosting your communication skills. Audiences respond well to a strong confident communicator. Become the man who starts a movement!

Brandon Walker

I met Dennis through our Local Toastmasters club where he served as the president. Any time Dennis delivered a speech, he astonished the crowd with his command of the room and captivating delivery.

Admiring his speech delivery prompted me to ask Dennis for his coaching services. As the Chief of Staff at a Fortune 50 company, I often time find myself having to communicate messages in front of large groups of team members and looked to Dennis to help me become a more effective communicator.

Our sessions were always enjoyable as Dennis does a great job with not only delivering advice on areas where you want to grow, but offering opportunities of growth you may have not realized needed attention. His personable and fun demeanor also makes the sessions up beat. I was able to achieve becoming a better speaker through his specific advice on tone variation and intentional movement during your speech. His advice also helped me with building confidence in being a better speaker.

Dennis comes highly recommended and I believe his services can help not only beginners, but the most experienced speakers looking to sharpen their skills.

Brandon Walker Health Care Communication Coaching January 2, 2017

Become a Core Confident Speaker!

Here at Core Confidence Life, we want you to be the best speaker you can be. We will work with you to clarify your message, Deliver it with style, and build a following.

How it works

We will have a 30 minute free strategy session to get to know each other and highlight major challenge areas and end goals for you.

Each session is 60 minutes weekly. The sessions are online through a conferencing/chat service. )if you live in the New York City metro area, in person sessions are available.)

Jamar Auston

Recommended by fellow Toastmasters, it was a privilege to be trained by Dennis. I began Toastmasters in May 2017 and having Dennis mentor me through my first three speeches was a tremendous help.
My aim was to be more confident about speaking publicly and to be able to utilize different techniques in my speeches.

It was beyond what I expected. Having a partner who works with you and is willing to go the extra mile to make sure that you feel accomplished with what you’ve set out to do was amazing. Dennis gave me exceptional advice on how to deliver each speech and recommended different approaches depending on the point I was trying to bring across to the audience.

Dennis’s mentorship taught me how to deliver speeches in different formats and what works within each format. I also learned techniques to draw in the audience and keep them engaged. All in all, Dennis helped build my confidence to deliver strong speeches.

I would strongly recommend anyone to work with Dennis. He is a great listener and well versed on how to be an effective speaker/communicator.

Jamar Auston Coaching August 29, 2017

The Authentic Man Program For Speaking/Communication

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What You Gain

  • 1. Address anxiety effectively
  • 2. Find and develop your unique communication style
  • 3. How to deliver your message in a clear and effective manor
  • 4. How to prepare speeches that target your ideal audience, and how to maintain conversations and networking with others.
  • 5. Developing stage characters and story telling skills.


You can choose a package, or when we speak, we can work out a package that fits your situation.

  • Pay as you go. Each session = $100
  • 6 pack. 6 Weeks = $450
  • 12 Stack. 12 weeks = $900

Contact me for consultations!

Select “Public Speaking” from the form below and tell me what you need!

Interpersonal Communication


Conversational English/ESL. (Click for details.)

If English is your second language, and you are interested in practicing/sharpening your mastery of the language, learn with an articulate native English speaker with a teaching and coaching background. Whether you are new to the USA, in the USA on a work visa, or just want to gain more confidence in speaking English, contact me for more details.

You will learn…

  • How to think on your feet
  • How to communicate your thoughts with confidence and clarity
  • How to maintain conversation with others
  • How to write clearly
  • Assistance with work or other written projects

Improve Your Speaking, and Your Confidence!!!

Contact us for a free consultation!