Ron Guilbault

Carrizo Communications provides market consulting and training services to sales professionals. The firm also conducts workshops, mentoring and coaching, as well as strategic planning & new market consulting. The company was founded by Ron Guilbault and is headquartered in Santa Barbara, CA.

Toastmasters International is a non-profit educational organization that teaches public speaking and leadership skills through a worldwide network of clubs. The organization has approximately 270,000 members in more than 14,200 clubs across 148 countries. Since 1924, Toastmasters International has helped people from diverse backgrounds become more confident speakers, communicators, and leaders. The American company is headquartered in an undisclosed location.

The Chamber of Commerce of The United States of America provides information on how businesses can adapt their workforce development and management strategies to deal with the changing labor market. The non-profit company is based in Washington and has subsidiaries in the United States. The Chamber of Commerce of The United States of America is the world's largest business organization, advocating, connecting, informing, and fighting for business growth and success. The American company was founded by Michael Scown, and Suzanne P. Clark has been the CEO of the company since 2014.

Community of Voices operates a research study community that will examine singing. The company is headquartered in San Francisco, CA.