Consultant Biographies
Carl Kaestner, Co-Founder & Managing Director
Carl Kaestner is an executive coach with twenty years experience developing senior executives of multinational companies. He acts as a thinking partner for leaders who seek a powerful catalyst to accelerate business growth by developing a core of leaders who can out-think and out-perform their competitors. His experience reaches across industries and world cultures, and uniquely positions him to offer new perspectives to today's most complex and challenging business issues.
Harnessing the tools of strategic reinvention and executive coaching, Carl seeks out the high leverage areas for organization and personal growth that will help clients realize new possibilities in their business. These are rapidly translated into breakthrough initiatives that lead to accelerated, high-performance results.
Carl brings a personal and very passionate commitment to the success of each one of his clients. He is down-to-earth and easy to talk to, with a sense of humor that immediately puts people at ease. Clients often say that his key strength is saying the one thing that generates a spark of insight.
Prior to founding Cambridge Group, Carl was a senior consultant in the leading executive coaching firm, Masterful Coaching and collaborated with best selling business author Robert Hargrove to develop a world-class methodology for developing leaders and achieving breakthrough results. In addition, he was a central member of the research and editorial team for Masterful Coaching (Wiley, 1995, 2003, 2008); Masterful Coaching Fieldbook (Jossey-Bass, 1999); and Mastering the Art of Creative Collaboration (BusinessWeek Books 1998).
Carl Kaestner holds a B.Sc. Degree in Industrial and Organization Psychology from Syracuse University, and a M.B.A from Boston University.
David Korkosz, Co-Founder
David Korkosz has been engaged in executive coaching and organizational leadership development work over the last fifteen years. He has been responsible for the development, design and presentation of programs focused on leadership development, key breakthrough initiatives and large scale organizational change.
He has coached top executives worldwide across a broad range of diverse industries – high tech, retail, pharmaceutical, government, energy, educational institutions, non profits, etc - and has developed a reputation as an innovative and high impact coach. His clients consistently acknowledge the work as having a powerful impact on their organizations, their leadership and on the results produced. All people in these programs develop very high levels of expertise as coaches and leaders in their organizations.
A major part of the work is around driving transformational breakthroughs in the business with a focus on generating significantly higher levels of performance. The work leads to a significant step up and a shift in how the business is led around real time strategic challenges and opportunities. To accomplish these results, people look hard at their thinking (assumptions, perceptions, biases, etc), levels of leadership they currently bring to the table and the current reality of their business environment. This work is done with individual executives and also with groups focused on breakthrough initiatives.
In addition to David's experience as an executive, he as over ten years experience in business development, sales and marketing with Sun Microsystems. He played a leading role in carrying Sun into a number of new markets and formulating its strategic positions.
- · He is a founder of Innovation Associates, a leading edge consulting firm, which eventually was sold to AD Little. The revolutionary business book, the Fifth Discipline by Peter Senge, one of the founders, came out of the work at Innovation Associates.
- · For nine years, he had an affiliation with Masterful Coaching. He served as a Senior Executive Coach and delivered coaching to C suite executives.
Mr. Korkosz is a graduate of MIT (BS)and Cornell University (MS).


