OUR TEAM - Aventine Associates Professionals and Strategic Alliance Partners have deep experience serving large organizations across a wide range of industry sectors and geographies. We invite you to get to know us!
For more information on our team members, scroll down or click on the names here:
David Lange - Founder and Managing Partner, Americas
Pierre de Groot - Managing Partner, EMEA
Aventine Strategic Alliance Partners: We are affliated with best-in-class organizations in complementary service lines (personal discovery, leadership development, talent strategy, executive recruiting, management appraisal, board of directors consulting). For more information, click here or scroll down.

Founder and Managing Partner, Americas - Pennington, NJ, USA
David brings over 15 years' experience as a global leadership strategist, facilitator and advisor to his role as Managing Partner of Aventine Associates. His primary areas of focus are talent management, organizational transformation and cultural change, global diversity and inclusion strategy and advisory, and global leadership development.
He has served clients in every part of the world, including American Express, Microsoft, Nestlé, Novartis, Gap Inc., Campbell Soup Co., BNP Paribas, Procter & Gamble, Corning, Pfizer, Dow Chemical, Honeywell, Air Products, Deutsche Telekom, Sara Lee, Boston Consulting Group, Bunge, and MetLife, among others.
Prior to founding Aventine Associates in 2008, David worked as an Associate for McKinsey and Company (Budapest, Hungary), a Principal at Egon Zehnder International (Budapest, Hungary; Washington, DC; Atlanta, GA), and an Executive Director at Russell Reynolds Associates (Atlanta, GA). He also has direct organizational leadership experience, serving as President of TMC (Princeton, NJ) where he was closely involved in the sale of the company to Berlitz, Inc. in April 2008.
David has a degree in International Relations from the University of Virginia and an MBA from INSEAD in Fontainebleau, France. He is fluent in Hungarian, French and German in addition to his native English.


Managing Partner, EMEA - Antwerp, Belgium
After a management career in three top global pharmaceutical companies, a spell in an advertising agency and an ongoing involvement with various business schools, in 1999 Pierre made the transition to organizational and management development.
In this new function he held responsibility as Director of Management Centre Europe, Managing director for Training Management Corporation’s (TMC) EMEA office and as a consultant providing services to Management Centre Europe, Middle East Management Centre, Training Management Corporation, Boston University, Duke Corporate Education and Berlitz Cultural Consulting.
Pierre’s passion is leadership and management effectiveness with a specific emphasis on Global Leadership i.e. cross cultural (global) competence; He is certified in the Meyers Briggs Type Indicator, Hermann Brain Dominance Instrument, Cultural Orientations Indicator, CultureActive and York Associates DPI process. He trains and supports managers in the US, across Europe, the Middle East and Africa and among his clients are Novartis, BP, Johnson & Johnson, IBM, Nestle, Air Products, Dell, Scientific Atlanta, Merck Serono, Dell, Dow Chemical, Novo Nordisk, Sodexo, Danone, American Express, Pfizer, Office Depot, MasterCard, Honeywell, et al.
Pierre has a well-developed understanding of cultural diversity and has successfully lived through the complexities of international relocation, integrating and managing across borders and cultures. He holds dual Belgian and South African citizenship and studied for a Bachelor in Economic Science and a Master in Business Administration.



