Ares Serono Group

Serono was a premier global biotechnology company headquartered in Geneva, Switzerland, that specialized in the development and commercialization of innovative therapies for unmet medical needs. As a pioneer in recombinant DNA technology, the company established a dominant position in the fields of reproductive health and neurology. Its portfolio featured blockbuster products such as Rebif for multiple sclerosis and Gonal-f for infertility treatment. In 2007, the company was acquired by Merck KGaA for approximately $13.3 billion, resulting in the creation of the Merck Serono division. At the time of its acquisition, Serono was recognized as the largest biotechnology firm in Europe.