RUBY LEVEL SUPPORTER - A LEADER IN SCIENTIFIC INNOVATION, EMD Serono- the North America biopharmaceutical business of the science and technology leader, Merck KGaA, Darmstadt, Germany- offers therapies and patient support services for specialty conditions, like infertility, multiple sclerosis (MS), HIV-associated wasting and growth disorders. Our support for the patients we serve goes well beyond the medications we manufacture.