Usman Hayat, CFA, writes about sustainable, responsible, and impact investing and Islamic finance. He is the lead author of "Environmental, Social, and Governance Issues in Investing: A Guide for Investment Professionals;" the literature review, "Islamic Finance: Ethics, Concepts, Practice;" and the research report "Sustainable, Responsible, and Impact Investing and Islamic Finance: Similarities and Differences." He is interested in online learning and has directed three e-courses for CFA Institute: "ESG-100," "Islamic Finance Quiz," and "Residual Income Equity Valuation." The other topics he writes about are macroeconomics and behavioral finance. He has experience working in securities regulation and as an independent consultant. His qualifications include the CFA charter, the FRM designation, an MBA, and an MA in development economics. He has served as a content director at CFA Institute. He is a former executive director at the Securities and Exchange Commission of Pakistan (SECP) and former CEO of the Audit Oversight Board (Pakistan). His personal interests include reading and hiking.