Stephen Cohen, associate director of the Securities and Exchange Commission's Enforcement Division, will leave the agency later this month. In his position since 2011, Cohen oversees a staff of nearly 60 attorneys and other professionals responsible for investigating potential violations of the federal securities laws by a wide range of market participants. Read the original announcement from the SEC. Separately, the SEC has named Christopher Hetner senior advisor to the chair for cybersecurity policy. In this role, Hetner will serve as a senior advisor to Chair Mary Jo White on all cybersecurity policy matters and be responsible for coordinating efforts across the agency to address cybersecurity policy, engaging with external stakeholders, and further enhancing the SEC’s mechanisms for assessing broad-based market risk. Read the original announcement from the SEC.