A seasoned professional with over 20 years of comprehensive expertise in Business Intelligence (BI) systems, adept at leading multifaceted teams and delivering high-impact BI/DW projects. Proficient in system requirements analysis, database modeling, ETL implementation, and project mentoring. Skilled in pre-sales activities, including presentations and proof of concept demonstrations.Key Achievements: Led and managed teams ranging from 3 to 11 professionals in successful BI/DW projects, ensuring timely delivery and exceeding client expectations. Proficient in system requirements gathering and documentation, collaborating closely with business stakeholders and key users to ensure alignment with organizational objectives. Demonstrated proficiency in database modeling techniques, including star schemas and relational database modeling for Operational Data Stores (ODS), optimizing data structures for efficient querying and reporting. Extensive experience with leading ETL tools, including Oracle Warehouse Builder, Oracle Data Integrator, and Alteryx Designer, streamlining data integration processes and enhancing overall system performance. Provided expert mentoring and assessment for BI projects, fostering team growth and ensuring adherence to best practices and industry standards. Successfully conducted pre-sales activities, delivering compelling presentations and proof of concept demonstrations to prospective clients, effectively showcasing the value proposition of BI solutions. Previous roles as an Oracle Database Administrator, leveraging technical expertise to ensure the stability, security, and performance of mission-critical databases.