Ingrid Werner is a prominent figure in the field of finance, particularly recognized for her expertise in market microstructure and international finance. Her research and academic work have significantly contributed to the understanding of how financial markets function, especially concerning trading behavior, regulatory impact, and cross-border investment. Werner’s academic career spans several prestigious institutions. She currently holds a professorship at the Ohio State University’s Fisher College of Business. Prior to this, she held faculty positions at Stanford University and the University of Waterloo. These roles have allowed her to conduct extensive research, mentor future finance professionals, and contribute to the academic discourse on critical financial topics. Her research agenda is broad, encompassing areas like market efficiency, trading costs, and the effects of regulation on market quality. She is particularly well-known for her work on international equity markets and how trading activity is distributed across different exchanges and countries. This research sheds light on the fragmentation of global financial markets and the implications for investors and regulators. Werner’s work often explores the motivations behind trading venue choices by investors, considering factors such as information access, order execution quality, and regulatory differences. One of her key contributions has been in analyzing the impact of decimalization – the shift from fractional to decimal pricing of stocks – on trading behavior and market liquidity. Her studies have examined how this change affected trading costs, order size, and market volatility, providing valuable insights into the practical consequences of market structure reforms. Werner’s research has been published in leading academic journals, including the *Journal of Finance*, the *Journal of Financial Economics*, and the *Review of Financial Studies*. Her work is frequently cited by other researchers and policymakers, demonstrating its influence on the field. She actively participates in academic conferences and workshops, presenting her latest findings and engaging in discussions with other experts. Beyond her academic pursuits, Werner has also been involved in consulting and advisory roles for various organizations, including regulatory bodies and financial institutions. This experience allows her to bring a practical perspective to her research and to apply her theoretical knowledge to real-world problems. Her insights are valuable for policymakers seeking to improve market efficiency and stability. Ingrid Werner’s contributions to the field extend beyond individual research papers. She has also served in leadership roles within academic organizations and participated in editorial boards of leading finance journals. These activities demonstrate her commitment to advancing the field and fostering the next generation of finance researchers. Her work continues to shape the understanding of global financial markets and inform policy debates on market regulation and international investment. Her ongoing research promises to further illuminate the complexities of modern finance.