David’s clients and programme participants have come from a variety of organizations and industries, such as the European Central Bank, Duke University Hospitals, ING Bank, Ernst and Young, Carolina Performing Arts, Shell, Philips, Unilever, Nestle, Old Mutual, Momentum, Barclays, Liberty Holdings, the German Development Cooperation, National Health Service (United Kingdom), Johnson & Johnson, Abu Dhabi Civil Service, Heineken, Gulf Drilling International, World Youth Organizations and the United Nations. David has also had international leadership roles in the educational sector.

David is currently based in the USA; he works independently and in association with major consultancies and business schools (for example, Duke CE; Kenan-Flagler Business School-UNC, Erasmus Center for women in Organizations, The Netherlands; Graduate School of Business, Cape Town, and Witten Business School, Germany). David is currently working on a range of senior leadership programs in the Healthcare and Financial Services sectors, in the USA and mainland Europe.