Brian Seefeldt

● Lead two data engineering teams responsible for architecting scalable, high- performance data pipelines, ensuring real-time, accurate, and reliable data delivery for stakeholders across Data Science, Finance, Accounting, Regional Analytics, and self-service insights. ● Guide data infrastructure modernization, spearheading the migration from on-prem MapR Hadoop to AWS Cloud, transitioning Spark/PySpark workloads to AWS EMR and Ab Initio processes to AWS EKS, driving $20M in annual cost savings. ● Manage TransUnion’s Financial Data Warehouse, supporting $20M in monthly FICO royalties and enterprise-wide financial analytics. ● Lead the end-to-end migration of the Oracle Financial Data Warehouse to AWS Redshift, improving performance, scalability, and achieving $1M in cost reductions. ● Drive the migration from Tableau to Apache Superset and Power BI, overseeing multiple contractor teams to enhance self-service analytics capabilities and reduce software costs by $4.5M. ● Oversee data governance, security, and compliance, ensuring adherence to best practices for data integrity, access controls, and regulatory requirements. ● Implement self-service analytics platforms, enabling stakeholders to access real-time insights without engineering dependencies. ● Champion cloud-native technologies, containerization (Kubernetes), and Infrastructure as Code (Terraform) to improve deployment speed and platform reliability. ● Partner with cross-functional teams (Data Science, Finance, Engineering) to align platform capabilities with business needs, ensuring high availability, security, and compliance.

● Led and drove team projects, best practices, focus on documentation, standardized workflows, and knowledge sharing.

● Member of the TruIQ (formally Prama) team delivering portfolio analysis for external facing banking and financial institutions. ● Responsible for all aspects of our product pipeline from source data to client delivery via Tableau embedded workbooks. ● Work in a linux environment, primarily using Ab Initio for ETL processes, Hive and Dremio at the data lake layer, and Tableau for the visualization layer. ● Automated complete process from data builds to Tableau workbook publishing reducing repetitive manual processes. Team eventually absolved when our processes were automated and nature/scope coming to our team was changing. ● Utilized Spark pipelines to build out automated validation for product/business team members. Built out automated validation reports using Dremio and Tableau to alert users that a new data build is ready to be validated. ● Automated Tableau publishing process for all environments for .twb and .twbx files.

● Executed end-to-end processes, including requirement gathering, building data extracts, Tableau workbook development, and Tableau server management. ● Spearheaded Removed Vehicle Analysis (RVA) which is used to drive our value story to our customers. ● Created Python scripts for dealer reporting PDFs for electronic delivery and historical archiving. ● Led projects with cross-functional impact, collaborating with Leadership across five departments in Operations. ● Lead Tableau workshops with internal business users to share best practices and concepts.

● Create, segment, and support reporting solutions for Sr. Leadership at Cars.com. ● Provide reporting solutions and analysis for numerous departments at Cars.com (Operations, Finance, Sales, & Marketing). ● Project Manager for migrating reporting data into our Teradata Data Warehouse, including gathering requirements, planning phases, managing communication, tracking progress, writing technical documentation, and serving as the liaison between technical and non-technical teams.

• Ensure Cars.com customer products, services, and communications meet the highest standard of quality. • Provide insight on quality trends and make recommendations for improvements in customer service and process areas. • Communicate objective feedback to managers and front line employees who deal directly with Cars.com customers. • Present to teams within Operations about process and customer service changes being implemented.

• Compile reports in Microsoft Excel using various metrics to measure performance. • Compare month-to-month trends in booked loans, booked credit cards, checking accounts, savings accounts, and mortgages to identify sales strengths and weaknesses. • Calculate 30/60/90 day cross sell ratio, which is a metric to help increase customer retention. • Analyze raw data to make stack-ranking reports on the branch, region, and affiliate level. • Forecast sales goals at the branch, region, and affiliate levels in the Chicago area.

• Manage a team of 4 employees by monitoring their productivity and demonstrating identification of sales opportunities, which maximizes customer satisfaction and has resulted in our branch surpassing our monthly sales goals in the past 4 months. • Compile the month end financial center audit; recently, we received a score of 92% for our RCA audit, which occurs randomly every 18 months. • Supervise the new account opening and filing process. • Conduct interviews with candidates to assist in the hiring process. • Hired our Personal Banker and Financial Service Representative, who remain under my supervision. • Represent our branch for the region’s Customer Experience Index focus group to which I was promoted to because of my history of perfect scores on surveys administered by the Gallup Organization, a research-based performance-management consulting company.

• Manage a team of 2 employees behind the teller line. • In 2010, our branch finished with the highest cross sell ratio within the Chicago affiliate. • Coordinate with other divisions providing leads to expand customer relationships.

Relative Coursework: Corporate Finance, Derivative Securities, Security Analysis, Financial Reporting I, Financial Reporting II, Investment Management, Managerial Accounting.

Installation, provisioning, and ongoing resource management of a Hadoop cluster using the Cloudera Platform.