As Performance Leader of the Leadership Success Institute, he has been heavily recruited by start-up businesses through to Fortune 500 companies to analyze operations, develop and implement change management and repositioning strategies, and return organizations to sustainable long-term growth.

Cited on Who's Who in Emerging Leaders, Who's Who in Sales and Marketing and Who's Who in Industry Commerce.

He has received leadership awards from the American Lung Association, Business Volunteers for the Arts and the Greater Houston Partnership.

Additionally, Denis has consulted to ICT companies in Singapore and the invitation of the Infocom Development agency of the Singapore government; and delivered a program to Samoan business people as part of Australia & New Zealand Foreign Aid.

His work has given rise to four books: Lessons From Leadership Failures: The Greenfields Approach, The Impassioned Leader, People Powered Profits And Becoming A Best-Selling Author Without Going Broke. He is also the author of over 30 published business White Papers.

Denis has delivered over 600 strategy, leadership and management seminars and workshops internationally.

As an accomplished trainer, Denis was further trained by the 'Harvard of Professional Speaking' in order to continue to hone his presentation skills.