“My mission is to persuade people to look at their lives as a whole, rather than compartmentalize work, home and friends. You need to look at the ‘whole package’ to succeed.”


Mary Ann O'Neil | M.Ed., Principal, Director of Training


Mary Ann O’Neil has been on this mission for 25 years as a management consultant and leadership trainer, and she’s been extremely successful at it.  Her belief that people must see themselves as others see them before they can make changes has helped develop leaders within Fortune 500 companies, nationally recognized not-for-profit agencies and other organizations world-wide.

In 1999, Ms. O’Neil founded One to One Leadership, a management consulting firm specializing in customized leadership development.  In addition to facilitating sessions with firm management teams, she trains and supervises trainers and facilitators.  Ms. O’Neil also created a video series on Leadership Skills and a business communications board game, both of which are regularly used by business leaders around the world.

Ms. O’Neil has been recognized for her development of leaders at Texaco, Inc., The New England, First Data Corp., ADP, Xerox, Rank Xerox United Kingdom, McDonald’s Corporation and Louisiana State University.  She was responsible for the customization of Xerox Core Quality materials and the training of trainers who trained 3,000 employees over a seven-month period in a successful bid to win the Malcolm Baldrige National Quality Award. She is also a sought-after speaker who has been interviewed recently by Forbes.com and Incentive Magazine.

A current member of the board of directors of the Scleroderma Foundation, Ms. O’Neil is actively raising money to search for a cure for the disease, In 1994, Ms. O’Neil was nominated for the prestigious President’s Thousand Points of Light Award.

She received a B.A. in Psychology from Marymount College, an M.A. in early childhood education from Long Island University and is a Ph.D. candidate in leadership and organizational development from the University of Phoenix.  Her thesis will deal with the unique qualities that ensure leadership success among women.