He is a 1985 graduate of Georgia Tech's College of Management, and has owned his own publishing company since 1988.

He is the author of  How to Manage Problem Employees and How to Make Performance Evaluations Really Work. His most recent book, How to Be the Employee Your Company Can't Live Without, became a #1 Best Seller at Barnes&Noble.com on its official release date of March 21, 2006, beating out every other book in print to claim the coveted top spot.

It then went on to hold the #1 position in the career development category for 27 consecutive weeks.  On 12/11/06, it was named as one of the top four career books for the entire year by Joyce Lain Kennedy with Tribune Media Services.

His publisher is John Wiley & Sons of New York, the world's largest and most respected business book publisher. His executive editor has also published Harvey McKay, Brian Tracy, and Ben Stein.

His books have been translated into Russian, Mandarin Chinese, and Korean.

Glenn gives over 100 live seminars and keynote speeches each year.

His teleseminars and webinars are carried by Thompson Interactive in Washington, D.C., The Institute of Management and Administration in New York, Business 21 Publications in Philadelphia, The Alexander Hamilton Institute in New Jersey, and Dartnell Corporation in Naples, Florida.

Business Coaching,