Zniber has over 40 years of experience. She first joined Diana Holding in 1988, which has a diverse business portfolio encompassing soft drinks, plastics, agriculture, olive growing, beverages, poultry, sea products, distribution, and retail. The company partnered with Mohammed VI Polytechnic University in November 2021 to support innovation, research, and development. In March 2022, Diana Holding and Morocco’s Ministry of Industry and Trade signed a $12.1 million investment agreement for Berkane Juice Processing, a subsidiary of Les Domaines Zniber. In November 2022, the company announced a partnership with the Equatorial Coca-Cola Bottling Company to acquire the Atlas Bottling Company.