David Witten Email & Phone Number

Dallas, Tx, Us

Dallas, Tx, Us

Coppell, Texas, United States

Neurolens is an optical products manufacturer whose lenses can help correct eye misalignment and provide more comfortable vision.

Dallas-Fort Worth Metroplex

• Developed an ingredient database in a Google Sheet for a small business empowering them to streamline recipe development and calculate nutritional information• Leveraged Python to establish an API connection for a non-profit organization and created visuals based on the data, facilitating seamless access to paid data sources

Dallas-Fort Worth Metroplex

Cumming Group specializes in helping clients execute large-scale, complex construction projects on time and within budget• Developed a standardized data-entry template and automated workflow (Databricks, Tableau Prep, Tableau Sever), enabling periodic updates of procurement dashboards; this process allowed the client to compare equipment prices across construction projects, achieving cost savings of over $100K• Systematically extracted PDF data from compliance reports using AI builder in Power Automate which fed a Power BI dashboard— resulting in improved data completeness, data quality, and saving 8 hours per month on reporting• Developed a construction project cost curve model to generate synthetic data for marketing visuals, contributing to Cumming winning millions of dollars in client work• Transformed poorly structured Excel reports into tabular data format utilizing advanced data manipulation techniques in Python, resulting in an automated data processing workflow to update an Azure SQL database

Dallas-Fort Worth Metroplex

OneMain is America's largest brick-and-mortar consumer lender• Developed an automated auditing module for consumer complaints by collaborating with process owners to understand and validate internal KPI metrics using SQL and Python within Alteryx Server, feeding Tableau visualizations, enhancing department oversight and efficiency, and saving 60 hours annually on traditional audits• Engineered an automated auditing module for payment processing by utilizing Snowflake SQL within Alteryx Server to identify and check for processing errors, saving 30 hours annually on traditional audits• Scripted administrative processes and dashboard updates using SQL, Alteryx, Python, Power Automate, and Tableau saving 10 hours per month• Built a logistic regression model to determine if a customer complaint should receive additional review from the compliance department• Gave a joint presentation with the Lead Data Analyst covering the department’s first automated auditing project

Dallas-Fort Worth Metroplex

DR Horton is America's largest homebuilder• Scripted the conversion of a commonly used sales report (text file) into an Excel file, eliminating tedious work and saving 10 hours per month• Orchestrated the preparation and validation of quarterly internal audit board presentations with the Chief Audit Executive, facilitating informed decision-making and strategic planning for the executive team• Executed home-building audit testing for sales & closings, land development, purchasing, and month-end closing processes

Dallas-Fort Worth Metroplex

HollyFrontier is primarily an independent petroleum refiner• Performed contract analysis for a major audit investigation uncovering contract discrepancies at two of HFC’s refineries• While leading a team of three, planned, conducted interviews, reviewed work-papers, and prepared the draft memo for a large marketing audit resulting in three recommendations• Assisted new hires and less experienced staff in developing the knowledge and skills required to perform SOX control testing up to the high standards of HollyFrontier and performed a first level review of workpapers

Dallas-Fort Worth Metroplex

Weaver is the largest independent CPA firm in the southwest• While serving as senior auditor, streamlined a major SOX Compliance project reducing the budget 10% from the prior year• Mentored and trained 10+ interns and associates in Weaver's SOX control testing processes resulting in fewer review comments and less rework

Data Science Career Track

Springboard offers an online educational experience with one-on-one mentorship • Accumulated over 550 hours of data science learning.

Master Of Science (Ms), Accounting

Bachelor Of Arts (B.A.), Economics