Iona Tanan

Iona Tanan currently serves as a Fixed Income Data Analyst at Bloomberg LP, where she leverages her expertise to enhance the accuracy and efficiency of ASEAN corporate and sovereign bond data management. In this role, Iona plays a pivotal part in automating data acquisition processes, utilizing Bloomberg’s advanced tech stack—including Python, SQL, and Bloomberg Terminal APIs—to streamline workflows and reduce manual intervention. Her focus on automation not only accelerates data collection but also improves data integrity, enabling more reliable analytics for clients and internal teams alike.

A key project Iona leads involves developing and refining dashboards in Qlik Sense to monitor automation performance, providing real-time insights into data pipeline health and identifying areas for continuous improvement. Her analytical skills and proficiency in data visualization tools empower her to deliver actionable insights that inform strategic decision-making. Additionally, Iona spearheads research initiatives to standardize ASEAN bond calculation methodologies within Bloomberg, ensuring that valuation models align with regional market practices and regulatory standards. Her work supports Bloomberg’s commitment to delivering comprehensive, accurate fixed income data to investors, traders, and policymakers.

With a strong foundation in client relations, financial calculations, and project management, Iona’s technical proficiency extends to tools such as R, Salesforce Marketing Cloud, and Microsoft Excel, which she employs to optimize data analysis and reporting. Her leadership qualities, combined with her passion for STEM and visual design, enable her to approach complex challenges with innovative solutions. Iona’s dedication to continuous learning and her ability to adapt quickly make her a valuable asset in the fast-paced financial data industry, where precision and efficiency are paramount.