G. Brent Darnell is a second-generation builder and an adjunct professor at Auburn and Penn State, teaching emotional intelligence to their technical students. He has worked as an engineer in the construction business for 20 years. He is a leading authority on emotional intelligence and a pioneer of its use in the construction and engineering industries. Since 2000, Brent has helped to improve the social competence, physical and mental performance, and leadership skills of thousands of people in over 70 companies in more than 20 countries around the world.

His book The People-Profit Connection, How Emotional Intelligence Can Maximize People Skills and Maximize Your Profits has received rave reviews throughout the industry, including Engineering News Record. It has been read by over forty thousand people worldwide. His "Tough Guy" books have garnered rave reviews because their no-nonsense way of teaching people skills to technical people. He was recently named one of the Top 25 Newsmakers for 2012 by Engineering News Record for "transforming alpha males into service focused leaders" and "connecting his emotional intelligence training approach to business success". He believes in a holistic approach to personal development, creating fundamental and lasting change. Brent has a mechanical engineering degree from the Georgia Institute of Technology.