Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Affiliations
Awards
2013: Black History Student of the Year
Languages
Timeline
Generic

Humfred Mayah

Houston,USA

Summary


Tableau Developer / Product Manager experienced in evaluating short-term business needs to support key business goals. More than 10 years of hands-on experience in business intelligence, advanced analytics and data warehousing. Proficient in computer language processing for high-performance analytics to enhance business results and decision-making.

Overview

11
11
years of professional experience
1
1
Certification

Work History

Lead Tableau Developer / BI Product Manager

Magellan Health
02.2024 - 02.2025
  • Led the Business Intelligence team that was responsible for creating dashboards in tableau and maintaining the data warehouse
  • Managed multiple BI projects and products within the organization
  • Introduced a holistic BI Framework for the entire organization
  • Built interactive dashboards in Tableau, collaborating closely with business stakeholders to gather and define requirements effectively
  • Partnered with internal and external stakeholders to increase reports utilization and data literacy
  • Created a self-service platform for stakeholders to be able to self-pull reports from tableau and other tools
  • Managed bi-weekly and quarterly releases to the account managers and end clients
  • Analyzed project dependencies and negotiated budget estimates needed to implement various products
  • Led the migration process from tableau server on-prem to tableau cloud
  • Introduced Alation as a data governance/literacy tool
  • Led data warehousing efforts, that specialized in data integration, ETL processes, and building scalable data models to support analytics and decision-making
  • Introduced Agile methodology systems (Scrum) to faceplate project planning and activity tracking
  • Certified Scrum Master that is proficient in agile systems with hands-on experience working within the Scrum framework in Magellan to drive team collaboration and project success
  • Communicated effectively with team members to deliver updates on project milestones and deadlines.
  • Developed product documentation to communicate upcoming features and products to internal teams.
  • Collaborated with sales teams to develop effective training materials that drove increased product knowledge among staff members, resulting in higher close rates.

Lead BI/Tableau Architect

University of San Francisco
02.2022 - 02.2024
  • Led the adoption and integration of tableau as a business intelligence tool
  • Developed multiple tableau dashboards for end users
  • Trained more than 25 analysts on how to create dashboards using tableau
  • Built adhoc reports in salesforce using Apsona
  • Maintained tableau server updates, patching, and security
  • Led a migration process from oracle legacy systems to snowflake
  • Enhanced and optimized reports within tableau server
  • Created best practice documentations and user guides for tableau and shared with other teams using tableau within the organization
  • Applied row-level security to sensitive reports
  • Created a self-service structure in tableau server for users to query and create custom reports
  • Migrated reports from salesforce to tableau
  • Collaborated with clients to develop customized architectural solutions, meeting their unique needs and preferences.
  • Reviewed technical drawings developed by CAD technicians and drafters.

Senior Tableau / Power BI Developer

Citi Bank
01.2021 - 02.2022
  • Built Architectural platforms to support the BI Framework within Citi Bank
  • Mentored multiple Tableau developers and provided training to teams that were migrating to Tableau
  • Worked directly with the business to gather requirements and created mockups and requirement documents relevant to these reports
  • Worked with the Tableau server admin to build a security network that is agile and proficient
  • Created documentation detailing best practices within Tableau desktop and server
  • Fixed and provided solutions to reports with performance issues within the server
  • Worked with the engineering team to build a sustainable data model which helped facilitate the tableau dashboard development process
  • Collaborated with engineers and other developers in an agile system using scrum
  • Migrated reports from Cognos to tableau
  • Worked closely with data engineers and business analysts to validate data sources and ensure accuracy in reporting.
  • Facilitated data-driven decision making through the creation of comprehensive executive-level dashboards highlighting key trends and insights.

Lead Business Intelligence Consultant/Tableau Developer

Nike
03.2019 - 01.2021
  • Built functional and technical dashboards to support manufacturing, sales, supply chain, climate change, and customer relations
  • Collaborated with multiple on and offshore teams to create dashboards and reports to meet stakeholder’s expectations
  • Optimized existing reports to improve dashboard speed and performance
  • Collaborated with other teams such as the architecture and integration team to create tables and views that are optimized for tableau’s consumption
  • Designed BI solutions aligned with strategy, roadmap, and architecture standards, and worked with the Data Governance team on KPI definitions
  • Led the migration from SQL Server to AWS and Snowflake
  • Gathered requirements from the Finance team to build dashboards with tiers 1 and 2 cost-centric data
  • Handled massive quantities of business intelligence data.
  • Developed dashboards for sourcing, manufacturing, labor, sustainability, and vendor quality
  • Volunteered as a Tableau Doctor in workshops, providing user support

Lead Tableau Developer/Analyst, BI Consultant

Anthem
05.2018 - 03.2019
  • Worked on healthcare data and customer insurance adoption and usage
  • Created multiple dashboards analyzing and forecasting insurance cost by customer against the industry average
  • Provided reporting, analysis and insights about sales drivers and key revenue performance metrics to support corporate analytics.
  • Developed and enhanced reports connecting to single or multiple data sources to improve performance.
  • Provided production support for multiple dashboards and participated in team-building and charitable activities
  • Standardized metrics across various departments by establishing consistent definitions for KPIs used in Tableau reports.
  • Conducted thorough quality assurance testing on all dashboards before deployment to guarantee accuracy and reliability of the presented data.
  • Empowered stakeholders with real-time access to actionable insights by developing dynamic visualizations tailored to their needs.

BI Consultant and Tableau Developer

Apple
07.2016 - 05.2018
  • For a Decision Support contract project with Apple, aimed at reducing backlog tickets before quarter-end and transitioning new projects for the upcoming fiscal quarter, I held roles including Business Objects Developer, Tableau Developer, Tableau Server Admin, and BI Consultant
  • Collaborated with cross-functional teams to ensure successful BI project delivery within deadlines.
  • Gathered business requirements and provided solutions by working with teams globally, educating users on Business Objects and Tableau functionalities
  • Implemented security hierarchies with Business Objects and validated data quality with engineering and end-user teams
  • Worked with Engineering and Product teams to create data pipelines, ensuring appropriate metrics and dimensions for data sets, reporting, and dashboards
  • Conducted Quality Assurance activities, and documented project-related standards, technical specifications, and test plans throughout project stages
  • Rotated to multiple teams within Apple and created dashboards for respective clients
  • Partnered with offshore teams all over the world to gather requirements and build reports

Tableau Developer (Remote position)

Okta
01.2014 - 07.2016
  • This project aimed to provide business intelligence through Tableau Desktop and Tableau Server, focusing on HR analytics for recruiters and recruiting managers
  • Developed analytical reports by blending data from various sources and creating interactive dashboards to enhance insights into team productivity
  • Created analyses of forecasted data to identify trends and improve operations, with experience in data warehousing, mining, and modelling
  • Produced and published reusable Tableau Data Extracts (TDE), scheduled data extract refreshes, and created
  • Built Tableau reports analyzing HR data, including recruiter scorecards, talent pool dashboards, and recruiter manager dashboards
  • Wrote complex SQL queries to pull data from Snowflake and Amazon Redshift for Tableau reports
  • Optimized dashboard performance by utilizing best practices in data extraction, filtering, and aggregation techniques.

Tableau Developer

Koch Industries
01.2014 - 12.2014
  • Served as a Tableau developer developing a prototype design for standard adoption
  • Coordinated and consulted with an offshore team in India
  • Utilized tools like Alteryx, SQL Server, Kronos, Visual Studio, Microsoft Teams, Skype for Business, and SharePoint
  • Used Azure DevOps for Agile methodology and participated in migrating from SQL Server to AWS
  • Analyzed existing dashboards, created reports to address design and performance issues, and worked directly with clients to gather requirements and create mockups
  • Developed HR analytics reports with KPIs, tracking total employees and departmental data

Education

Bachelor’s degree - Science

Catholic University of Bamenda

Associate of Science - Computer Science

Houston Community College

Skills

  • Sequel Writing
  • Big data analytics
  • Project planning
  • Product strategy
  • Product lifecycle management
  • Tableau expertise
  • Agile methodology
  • ETL processes
  • User training
  • Dashboard design
  • Data modeling
  • Performance optimization

Accomplishments

  • Mentored more than 20 college students majoring in computer engineering
  • Trained more than 50 tableau specialist
  • Built more than 1000 dashboards throughout my career
  • More than 10 years of experience as a business intelligence consultant
  • Achieved overwhelming results for companies by completing projects with high efficiency and low cost.

Certification

  • Tableau Desktop Specialist
  • Certified Scrum Master (CSM)

Affiliations

  • 2014: Member of All-Academic Team USA and All-Academic Team Texas.
  • 2013: Member of phi theta kappa and National Society of Collegiate Scholars.

Awards

2013: Black History Student of the Year, 2013:

2004: General Certificate of Education in Mathematics, Physics, Biology, Chemistry, and Philosophy (Valedictorian)

2013: Black History Student of the Year

Academic Student of the Year 

Languages

eng
Native or Bilingual
French
Professional Working

Timeline

Lead Tableau Developer / BI Product Manager

Magellan Health
02.2024 - 02.2025

Lead BI/Tableau Architect

University of San Francisco
02.2022 - 02.2024

Senior Tableau / Power BI Developer

Citi Bank
01.2021 - 02.2022

Lead Business Intelligence Consultant/Tableau Developer

Nike
03.2019 - 01.2021

Lead Tableau Developer/Analyst, BI Consultant

Anthem
05.2018 - 03.2019

BI Consultant and Tableau Developer

Apple
07.2016 - 05.2018

Tableau Developer (Remote position)

Okta
01.2014 - 07.2016

Tableau Developer

Koch Industries
01.2014 - 12.2014

Associate of Science - Computer Science

Houston Community College

Bachelor’s degree - Science

Catholic University of Bamenda

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Humfred Mayah