Dula Tufa

Data Analyst with 3+ years of experience delivering dashboards, SQL-based reporting, and operational insights that help business teams make faster, smarter decisions. Skilled with Power BI, Tableau, SQL, and Excel. Experienced working with stakeholders to turn messy data into clear, reliable reports — and making sure the numbers actually make sense to the people using them.

Data Analyst - Metropolitan Transportation Network (MTN) - Minneapolis, MN

(2022-03)

• Designed and maintained Power BI and Tableau dashboards to track vendor performance, fleet efficiency, and on-time delivery — contributing to a 15% reduction in transportation costs.
• Wrote SQL queries against large operational datasets to uncover trends and routing inefficiencies, delivering findings to operations managers and leadership.
• Partnered with business stakeholders across departments to define reporting requirements, validate data accuracy, and iterate on dashboards based on real feedback.
• Automated data cleaning and transformation workflows using Python, cutting down on manual prep time and improving consistency across weekly and monthly reports.
• Used Snowflake to query and manage large datasets, making it easier and faster for teams to get the data they needed for daily decisions.
• Tracked and reported on KPIs including on-time delivery rates, fleet utilization, and vendor compliance for operations and executive teams.

Data Engineer - Tata Consultancy Services (TCS) - New Jersey, NJ

(2021-09 - 2022-03)

• Supported a large-scale data migration to Snowflake and AWS for Marriott International, helping improve data retrieval speed by 30% across reporting and analytics teams.
• Built Tableau dashboards and monitored ETL pipelines using SQL, flagging and resolving data quality issues before they impacted downstream reports.
• Collaborated with engineers and business analysts to validate datasets and ensure dashboards reflected accurate, up-to-date information.

Data & Operations Analyst - Twin City Mobility - Minnesota, MN

(2019-05 - 2020-12)

• Analyzed scheduling and transportation data to identify route inefficiencies and recommend cost-saving adjustments to operations leadership.
• Supported day-to-day operational reporting and maintained IT systems used for fleet scheduling and real-time tracking.

M.S. - Data Science - University of St. Thomas (2025-05)

B.S. - Computer Science - Union College