McKinsey & Company Author

THOMAS BAUMGARTNER is a senior partner in McKinsey & Company's Vienna office. He co-leads McKinsey's work on sales and channels globally. Thomas 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 senior partner in the Paris office of McKinsey & Company. He leads the firm's Marketing & Sales Practice in Europe, the Middle East, and Africa. Homayoun has a broad range of experience working with clients around the world to help them drive above-market growth.

MARIA VALDIVIESO is a director of knowledge in McKinsey & Company's Marketing & Sales Practice, based in Miami. She advises B2B and consumer companies on driving sales growth and commercial transformations, and leads McKinsey's research on sales and channel excellence.