Sales Growth: Five Proven Strategies from the World's Sales Leaders

Thomas Baumgartner is a partner in McKinsey & Company's Vienna office. He co-leads McKinsey's work on sales and channels globally. Baumgartner advises clients in industries including high-tech, electronics, transportation, basic materials, telecommunications, and consumer goods—where he helps them outline and drive large-scale, top-line growth programs.

Homayoun Hatami is a partner in McKinsey & Company's Paris office. He co-leads McKinsey's work on sales growth. Hatami has a broad range of experience working with high-tech and telecommunications clients in Europe, the United States, and Asia.

Jon Vander Ark is a partner in McKinsey & Company's Detroit office. He co-leads McKinsey's work on sales growth. He has deep expertise in sales and channel management across industries including travel, automotive, industrial, and consumer durables.