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CornerStone Services

Contact Info:

P.O. Box 764087
Dallas, TX 75376
Fax: 972.274.2884

David Cottrell

David Cottrell, President and CEO of CornerStone Leadership Institute, is an internationally-known leadership consultant, educator, and speaker. His business experience includes senior management positions with Xerox and FedEx. He also led the successful turn-around of a chapter eleven company before founding CornerStone.

David's 25-plus years of professional experience are reflected in over 20 highly acclaimed books and his reputation as a premier public speaker. David has been a featured expert on public television and has presented his leadership message to over 250,000 managers worldwide.

1975 Graduate of the University of Arkansas

1975-1984 - Xerox Corporation - Positions included sales representative, sales manager and sales planning manager.

1984- 1993 - FedEx Corporation - Positions included District Manager and Regional Manager

1993-1996 - National Spirit Group - Executive Vice President

1996 - Founded CornerStone Leadership

Author or Co-Author of:

  • Birdies, Pars & Bogeys: Leadership Lessons from the Links
  • Leadership ... Biblically Speaking
  • Listen Up, Leader
  • Listen Up, Sales and Customer Service
  • Listen Up, Teacher
  • The Managers Coaching Handbook
  • The Managers Communication Handbook
  • Memos to Managers
  • 136 Effective Presentation Tips
  • 175 Ways to Get More Done in Less Time
  • Monday Morning Leadership
  • Monday Morning Customer Service
  • Leadership Courage
  • Becoming the Obvious Choice
  • Management Insights
  • The Leadership Secrets of Santa Claus
  • Monday Morning Mentoring
  • Monday Morning Choices
  • The Nature of Excellence
  • Leadership Energy
  • 12 Choices ... That Lead to Your Success

Birdies, Pars & Bogeys

Monday Morning Leadership

Listen Up, Leader!

136 Effective Presentation Tips

The Manager's Coaching Handbook

The Manager's Communication Handbook

Monday Morning Customer Service

Monday Morning Mentoring

David Cottrell's Collection of Favorite Quotations

Becoming the Obvious Choice

Escape from Management Land

Monday Morning Choices

The Nature of Excellence Premier Edition Gift Book

The Manager's Conflict Resolution Handbook

Winners Always Quit

The Nature of Excellence (6 x 6) Classic Edition

The Magic Question (Hardcover)

Second Quarter ... Get the Most Out of Life's Toughest Times

The First Two Rules of Leadership: Don't Be Stupid. Don't Be a Jerk. (Hardcover)

Grace Upon Grace ... My Story (Hardcover)

Grace Upon Grace ... My Story (Paperback)

Destination: Success!

David Reed

David Reed attended Texas A & M University where he received degrees in Chemical Engineering and Computer Science. Prior to founding Customer Centered Consulting Group, Inc., he served with Andersen Consulting, Exxon, and Walt Disney World. David’s mission is to help organizations of all types and sizes improve their effectiveness by:
  • Getting the right PEOPLE (Human Resources) doing the
  • right THINGS (Operations) with the
  • right ATTITUDE (Customer Service) with the
  • right TOOLS (Technology) and for the
  • right MONEY (Finances).
David is the author of an easy read customer service book titled Monday Morning Customer Service and conducts customer service training and consulting for a variety of organizations.

David resides in Frisco Texas with his wife and two children and travels throughout the country, helping schools, churches, corporations, and government agencies identify their strengths and weaknesses. Then, by working with leadership teams and teaching simple processes, he helps organizations create and implement common-sense solutions to their problems.

Well-known as a speaker and trainer in corporate America, David also has been a featured guest and expert on programs and panels exploring various customer service issues.

Service Where it Counts ... Making a Difference on the Front Line

Monday Morning Customer Service

A Culture of Service ... Creating Customer Service that Lasts

Ilayne Geller

Ilayne J. Geller, Ph.D., has over 23 years of experience in organizational and management development. She has trained thousands of people on successful conflict resolution within organizations in a variety of industries. Ilayne earned her M. A. and Ph. D. from New York University. She currently resides in Irving, Tx.

The Manager's Conflict Resolution Handbook

Ken Carnes

Ken is an accomplished speaker, author and consultant and a recognized influencer in the fields of leadership, coaching and sales performance. Ken has over twenty years of domestic and international sales, coaching, and executive leadership experience. He has successfully led the sales organizations for two Fortune 500 companies and has held senior executive positions in three top professional services organizations. Ken is currently a Managing Principal with Capital H Group in The Woodlands, Texas and the cofounder of Proseris Services.

Ken’s success has always been built on his lead-by-example philosophy that gains the trust, respect, and commitment to excellence of those around him. Ken has penned several widely read articles and white papers on the topics of coaching, high-performance selling and leadership.  He is the co-author with David Cottrell of the popular book Management Insights.

Escape from Management Land

Lee J. Colan

Lee J. Colan, Ph.D. is a leadership expert, advisor and an energizing speaker. He is passionate about delivering simple, powerful tools that leaders can put to work right away. Colan's cut-through-the-clutter insights appear regularly in a wide range of print and on-line media. Lee has written 13 rapid-read books designed for an information-rich, time-poor world. Busy leaders can finish them quickly and immediately take action.

Colan has also built a track record of successfully managing the challenges of rapid organizational change. Lee possesses an in-depth understanding of business, people and organizations. Lee's training enables him to see through the complexities of today's challenges and communicate simple solutions that leaders can apply in a real world.

Virtually every Fortune 500 company has experienced the positive impact of Lee's practical insights and approach, as have many smaller companies:

Amedisys American Heart Association - National Center AmeriSource Bergen Specialty Group AT&T Wireless Services Crosstex Energy Services CVS/Pharmacy Dollar Tree Stores Fossil Foxworth-Galbraith Lumber Co. International Paper Jiffy Lube Association of Franchisees Jo Ann Stores Johnson Controls KPMG Pegasus Solutions Safety-Kleen Senior Living Properties Pier 1 Imports Texas Instruments The Venetian Resort, Hotel & Casino TRANE Voluntary Hospitals of America (VHA) Yum! Brands

Sticking to It: The Art of Adherence

Orchestrating Attitude

INSPIRE! Connecting with Students to Make a Difference

Power Exchange

107 Ways to Stick to It

7 Moments ... That Define Excellent Leaders

The Nature of Excellence Premier Edition Gift Book

Passionate Performance

Winners Always Quit

Getting the BEST from Yourself and Others

The Nature of Excellence (6 x 6) Classic Edition

Leadership Matters

Engaging Minds and Hearts

The 5 Coaching Habits of Excellent Leaders

Maura Schreier-Fleming

Maura Schreier-Fleming has been in sales for more than 20 years. Maura started her company, Best@Selling in 1997. She is a highly-sought speaker at conferences around the world about sales and business. She believes that selling is the best job in the world and she works with clients who want to optimize their selling time using unique skills and strategies that immediately work in real-world selling situations. Maura also teaches selling skills and strategies at Southern Methodist University s Continuing Education Program and the Small Business Development Center and writes several selling columns, including Customer Connections in the Dallas, Austin and Houston business journals. She also writes the column Selling Strategies for the Insurance Record magazine and the Women in Business blog for Maura s articles on business and selling have been published nationally. She was a featured expert on sales at Microsoft s bCentralTM Web site and has appeared on radio shows across the country to discuss sales and business. Maura has a B.S. degree from Cornell University and an M.S. degree from Georgia Tech.

Monday Morning Sales Tips

Stephen Graves

Don't Lead Half-Dressed

Tony Jeary

Tony Jeary, considered by many to be the world’s foremost presentation strategist, has traveled globally for almost two decades teaching others how to present with excellence. Driven from an early age, at 23, Tony became a self-made millionaire by helping others. He demonstrates his value by being extremely disciplined, organized and as a result, a man of action. Tony has published more than three dozen books and resources on the subjects of presentations and strategic effectiveness. In his state-of-the-art studio or at the client’s site, he personally coaches the world's top CEO’s and presidents of companies like Wal-Mart, Ford, New York Life and Texaco and has influenced hundreds of thousands in 36 countries.

Tony consistently provides best practices, benchmarking ideas, and business resources to his clients from over 17,000 personal connections.

There are many words that could be used to describe Tony Jeary: success coach, author, speaker, celebrity, or even a "high-performance resource"; but his incredible track record of consistently exceeding expectations as a speaker, teacher, and author has earned him the title of Mr. Presentation™!

136 Effective Presentation Tips

Topper Long

Topper Long s business life began at the age of 11 when he started mowing neighbors lawns for a few dollars. His formal business career ended 46 years later when he retired as CEO of Textron Engine Marine and Land Systems, a $400 million collection of three companies, two of which he was also President. During those years, he earned a BS degree in Engineering and a MS degree in Executive Management. He served as an officer in the U.S. Army and worked 17 years in government service and 17 years in private industry.

Topper and his wife, Carole, divide their time between homes in Gallatin, Tennessee, and Valle Crucis, North Carolina. They have two daughters, two sons-in-law and four grandchildren, all who have been some of Topper s best mentors. It was during his 47 years of traveling though the jungles of government, corporate America and many other segments of life that Topper, a wide-eyed gullible traveler, learned the lessons in this book. Gullible may be contacted at and is available for presentations, seminars or counsulting regarding his travels in the business jungle.

Gullible's Travels