Lena G. Triantogiannis


consultant name

Lena G. Triantogiannis Egon Zehnder, Athens


Lena Triantogiannis, based in Athens, advises boards and CEOs on senior-level appointments (CEO and C-suite), succession planning and leadership development. Lena serves listed as well as private companies, including private equity-backed or family-owned businesses. Lena has appraised over 1,000 senior executives across a number of industry sectors including consumer, health, and financial services. Lena is active in Egon Zehnder’s CEO, Board Consulting, and Executive Assessment and Development Practices. Combining business experience, talent-advisory expertise and coaching skills, Lena is passionate about helping executives unleash their potential for greater leadership. Lena has played a leading role in developing the firm’s proprietary approach to Accelerated Integration and Leadership Development and previously co-led the firm’s Global Innovation.


Currently, she is the Practice Group Leader of Egon Zehnder’s Accelerated Integration Practice and has personally coached over 100 newly appointed senior leaders at the CEO, n-1 and n-2 levels operating in different sectors across more than 15 countries. Prior to joining Egon Zehnder, Lena was Regional Marketing Manager for The Coca-Cola Company. She started her career in the Finance function at Procter & Gamble and then moved into Marketing. Lena held international Marketing roles with Procter & Gamble in Germany and managed sizeable franchises upon her return to Greece.

Lena earned a BSc in Business Administration from The American College of Greece and an MBA from Columbia University, in New York. Lena is a Trustee at The American College of Greece.

News and Publications

Onboarding Isn’t Enough: Executives Need To Be Fully Integrated Into Your Culture

Onboarding is an apt term for how many companies support new leaders’ transitions, because – like helping someone onto a ship – there’s not much more to the process than bringing the executive safely on deck. From there on, he or she is expected to know what to do or sort it out with little or no guidance.

Comfort with Paradox

Most CEOs and boards name succession, both for the CEO and for business unit leaders, as their biggest strategic challenge. While this leadership challenge exists for every industry, it is particularly acute in the consumer sector, where many of the successive waves of disruption first hit.

Accelerated Integration Practice Profile

Egon Zehnder’s experts in Accelerated Integration can help you halve the time usually required for new executives to reach full effectiveness.

consultant name

Lena G. Triantogiannis Egon Zehnder, Athens


Lena G. Triantogiannis

Tel +30 210 68 83 000

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