The Society of Toxicology (SOT) and the National Institute of Environmental Health Sciences (NIEHS) Past, Present, and Future: 50 Years of Collaboration Symposium, will be held on Wednesday, July 13, 2016, 1:00 pm–4:00 pm on the NIEHS campus, Research Triangle Park, North Carolina. The symposium will highlight the collaboration between SOT and NIEHS over the years. Three well-recognized speakers will provide their diverse perspectives on the past, present, and future of SOT and NIEHS cooperation. Following the presentations, the speakers will join Director of NIEHS and the National Toxicology Program Linda S. Birnbaum and 2016–2017 SOT President John B. Morris in a roundtable discussion of critical topics in the field including a Q & A with the audience. The symposium will conclude with a reception to celebrate accomplishments and create new opportunities. Registration is open until Wednesday, July 6. For additional information, please visit the NIEHS website.