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Erika FonsecaEF

Erika Fonseca

Data Science and Business Consultant

€125/day
Vallauris, FR
8-15 years

Average response time: 1 hour

About Erika

I am here to deliver perfect-quality, reliable, and 100% consent work in research and data science field. I am highly motivated and dedicated to my clients, so you can reach me at any time.

I am currently enrolled at an Applied MSc in Data Science and Artificial Intelligence program, and I'm also gradute in Finance and Business Management, with Engineering Bachelor's degree. My main area of expertise is quantitative research, with orientation towards marketing, finance and supply chain. I have got years of experience working for clients in various industries, such as pharmaceutical, consumer business, utilities, and economy.

I can help you with the following:

- optimization
- analyzing the data selecting the most appropriate model
- writing reports

Statistics:
- descriptive statistics, correlations, partial correlations
- multiple/logistic, LDA
- SVM
- regression trees /random forest (bagging, boosting)
- t-test, ANOVA, ANCOVA, MANOVA, MANCOVA
- nonparametric statistics (Chi-Square, Cohen's kappa, Mann-Whitney U-Test, Wilcoxon Signed-Rank Test, Kruskal-Wallis Test, Fridman Test)
- time series analysis
- survival analysis

Artificial Intelligence
- computer vision
- NLP

I will send you the output and syntax. I will also write detailed interpretations with graphs/tables appropriate for the publication. Report may be in form of Word document or Power Point presentation.

All the work is done in accordance to the ethical research and professional guidelines.
Reliability, quality, and confidentiality of the customer information are guaranteed.
  • English

    Fluent

  • Portuguese

    Native or bilingual

  • French

    Conversational

  • Spanish

    Conversational

Can work on-site
Vallauris (up to 50km), Paris (up to 100km), Vallauris (up to 100km), Lyon (up to 100km)

Experience

  • Baruel
    Planning Manager
    FASHION AND COSMETICS
    July 2013 - May 2019 (5 years and 11 months)
    São Paulo, Brazil
     Implementation of Tableau for the Sales Team to improve analytics and give more focus on strategic
    and tactical plans, building practical dashboards to the different team hierarchy levels.
     Reduced 4 days in accounts receivable, making statistical analysis of financial data and redesigning
    processes. Made use of decision trees to help the teams understand their influence on the result
    and developed a simulator to visualize the impact of initiatives of action plans.
     Improved controls for contract management, providing a complete review of the process and
    defining a workplan to reduce losses due to non-compliance of contractual clauses.
     Developed a model to compare operational results in different states of the country to help in
    decision of a distribution center location.\
    Increased forecast accuracy by 10%, implementing a new S&OP process implementing new
    models for demand analysis, using times series analysis combined with projection of
    merchandising and marketing campaigns.
     Development of an MRP (material resources planning) to help the team integrate data from the
    ERP and from the suppliers in order to create purchase orders and sequence production lines,
    which helped to reduce inventory days in 20% over two years.
     Conducted the implementation of ZBB (zero-based budgeting), developing tools to analyze and
    consolidate data, and leading projects that resulted in 30% of savings on the logistics spend.
     Improvement of business controls, leveraging the use of ERP (TOTVS) system; and improvement
    of integration with third party.
     Implemented dashboard of KPI to monitor operational performance and budget.
    Supply chain Contrôle de gestion
  • Deloitte Conseil
    Consultant
    CONSULTING AND AUDITS
    January 2008 - June 2013 (5 years and 6 months)
    São Paulo, Brazil
     Delivered cost reduction projects, preparing analysis based on internal and external data sources,
    benchmarking, and developing action plans with customer teams.
     Conducted process redesign and risk assessment for Supply Chain (Purchase, PPC, Maintenance,
    Production and Logistics) and Finance (Budgeting, Accounting and Taxes) to increase efficiency
    and reduce costs.
     Development of business cases for: site location, operational outsourcing, expansion of product
    lines.
     Managed system implementation projects, like ERP and MRP, using PMI methodology, for big
    companies involving more than 50 professionals.
     Collaborated in strategic planning and portfolio redesign projects, collecting data, conducting
    analysis and preparing financial models.
     Software selection through definition of requirements with the customer team, design of RFP,
    assessment of proposal and performance in POC.
     Design of use cases and test cases to address business demands.
    Finance Gestion de projet Contrôle de gestion

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Education

  • ingénieur éléctricien
    FEI
    2006
  • MBA
    FGV
    2008

Skill set (8)

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