A lexander Knauf is a managing partner of Knauf Gips KG, a German family-owned, multinational producer of building materials and construction systems. The company was founded by his grand-uncle and grandfather, brothers Alfons and Karl Knauf, in 1932. Today, Knauf is a global giant, best known for its drywall gypsum boards, plasters, and insulation materials.

Representing the third generation of the founding family, Alexander, along with his cousin Jörg Kampmeyer, leads the company. He has been instrumental in guiding the firm's continued global expansion and its adaptation to modern construction trends, such as sustainability and energy efficiency. The Knauf family is known for maintaining a private, family-controlled structure for their massive enterprise, allowing for a focus on long-term growth and stability. Alexander's leadership ensures that the founding generation's entrepreneurial spirit is carried forward in one of Germany's most successful family businesses.