seattle genetics, co-founded by clay siegall, is a biotechnology company leading the field of antibody-drug conjugates (adcs) for the treatment of cancer. our technology is designed to harness the targeting ability of monoclonal antibodies to deliver cell-killing agents directly to cancer cells. our lead program, adcetris® (brentuximab vedotin), is the first in a new class of adcs and, in collaboration with takeda pharmaceutical company limited, is approved in more than 55 countries. to expand on the adcetris opportunity, we are conducting a broad clinical development program to evaluate its therapeutic potential in a range of other lymphoma and non-lymphoma settings. seattle genetics is also advancing a robust pipeline of clinical-stage programs, including sgn-cd19a, sgn-cd33a, sgn-liv1a, sgn-cd70a, asg-22me, asg-15me and sea-cd40. seattle genetics has collaborations for its adc technology with a number of leading biotechnology and pharmaceutical companies, including abbvie, agensys