Dora Stefanova

Angestellt, Business Intelligence Expert, Commercial Excellence, Bruker Optics GmbH & Co. KG
Karlsruhe, Deutschland

Fähigkeiten und Kenntnisse

Google Analytics
Google BigQuery
Tableau Software
Business reporting
Database Development
Analysis
Design
Microsoft Power BI
SAS SixSigma BI Analytics Forecasting Automation
Business process management
BI
Salesforce
Power Automate
SharePoint
Financial Controlling
Tableau
SPSS
Process Optimization

Werdegang

Berufserfahrung von Dora Stefanova

  • Bis heute 3 Jahre und 2 Monate, seit Juni 2022

    Business Intelligence Expert, Commercial Excellence

    Bruker Optics GmbH & Co. KG

    Lead full cycle BI projects from business requirements definition, raw data ingestion, and data model creation to actionable insights delivery. Initiate digital transformation of commercial processes, identify technical solutions and lead the design and implementation.

  • 1 Jahr und 2 Monate, Apr. 2021 - Mai 2022

    Web Analyst

    orsay

    Responsible for the design, implementation and automation of Orsay’s E-Commerce analytics & reporting platform, including integration of disperse data from multiple sources in Google Cloud. • Building multidimensional data and analytical models for Marketing, Sales, UX, Assortment, Customer Service and E-Commerce teams. • Business and technical support for Orsay’s mobile app including partner integration enabling generation of over €1MM daily revenue. • Designing and implementing Tableau dashboards.

  • 2 Jahre und 8 Monate, Okt. 2017 - Mai 2020

    Senior Manager Analytics

    1&1 Internet AG

    Leading role in data integration, analysis and validation. Driving conceptualizing and implementation of new corporate analytical initiatives. * Led customer data migration project and exceeded conversion and penetration targets by more than 10% and 35%. Designed and implemented reporting data mart for customer migration tracking. * Designed a data model for cross-functional and cross-enterprise conversion from contract- to customer-based performance evaluation enabling company-wide CRM overhaul.

  • 1 Jahr und 8 Monate, Jan. 2015 - Aug. 2016

    Information Systems (IS) Analyst

    Fisher Investments

    Led the data transition to CIS virtual server and implementation of new reporting platform. * Designed and developed enterprise data models from over 50 disperse data bases. Optimized performance via push-down, partitioning and query optimization with a CIS virtual server. * Analyzed cost, training, technical and functional capabilities of various BI solutions such as Tableau, Qlik Sense and Qlik View. Selected and led the implementation of the most suitable tool for reporting and data visualization.

  • 1 Jahr und 11 Monate, Mai 2012 - März 2014

    Manager, Analytics

    1&1

    Designed the BI architecture and developed the data mart for the Product Management and CRM departments. Introduced quality assurance practices to ensure data integrity and quality. * Improved the performance for major daily ETL procedures used for the reporting by the Analytics team by more than 10 times. * Replaced a company-wide used data structure for tracking the mobile and DSL contracts (over 20MM customers) resulting in 15% improved data quality.

  • 1 Jahr und 6 Monate, März 2010 - Aug. 2011

    Manager, Analytics - Financial and Retail Partnerships

    Air Canada

    Performed predictive modeling, market segmentation, campaign definition, post-campaign, and various statistical analyses in support of strategic loyalty and marketing initiatives. Enhanced and automated ongoing reporting and executive dashboards. * Automated the procedure for the bi-annual executive program revision: enabled the Analytics team to prepare the required analyses and presentations for more than 30 partners. * Implemented a methodology for precise geotargeting

  • 3 Jahre und 11 Monate, Mai 2006 - März 2010

    Analyst, Air Rewards Profitability and Process Improvement

    Air Canada

    Performed analysis, implemented and controlled improvements to the cost management levers for air redemption expense. Developed business requirements for a new IT infrastructure implementation and fare provider replacement for Aeroplan’s air booking platform. * Managed end-to-end testing activities and business requirements for the implementation of a new booking platform. * Built optimization models supporting Aeroplan in accumulation rate negotiations with Star Alliance partners.

  • 3 Jahre und 2 Monate, Apr. 2004 - Mai 2007

    Six Sigma Green Belt

    Air Canada

    Managed Six Sigma projects and facilitated workout sessions. Provided expertise in various corporate initiatives with process mapping, data analysis, report creation, automation and roll-out. * Led a project of automating the performance reporting for the Aeroplan’s contact center. Designed and built a reporting database consolidating disperse data sources and standardized automated report with all KPIs. * Led a project for improving the e-mail processing by a team of call center agents resulting.

  • 3 Jahre und 2 Monate, Aug. 1997 - Sep. 2000

    Chief Accountant

    Vecotron Ltd, Wiesbaden Commerce Ltd, Bulgaria

Ausbildung von Dora Stefanova

  • 4 Jahre, Sep. 2002 - Aug. 2006

    Management Information Systems (with distinctions)

    Concordia University (Montreal)

  • 5 Jahre und 1 Monat, Sep. 1994 - Sep. 1999

    Financial Accountancy

    University of National and World Economy

Sprachen

  • Englisch

    Fließend

  • Russisch

    Gut

  • Deutsch

    Gut

  • Französisch

    Grundlagen

  • Bulgarian

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