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Mariella Quiros is a seasoned commercial executive with 20+ years of experience in leading sales and commercial strategies for top-tier companies. She holds an MBA from Harvard Business School Executive Education and a BBA from Universidad Inca Garcilaso de la Vega. Mariella is fluent in English, Portuguese, and Spanish, and has a strong background in negotiation and competitive decision-making. She has worked in various industries, including technology, electronics, and telecommunications, and has a proven track record of driving revenue growth and improving market share.

Credentials

  • IELTS
    British Council
    Dec, 2020
    - Apr, 2026
  • Verified International Academic Qualifications
    World Education Services
    Oct, 2020
    - Apr, 2026

Experience

    • Commercial Director
      • Jan 2021 - Present
      • Lima, Perú

  • Cencosud S.A.
    • Lima, Perú
    • Gerente de unidad de negocio
      • May 2019 - Aug 2020
      • Lima, Perú

      Direct the purchases and sales of Electronic appliances for the almost 100 stores of Wong and Metro brands nationwide. Annual sales of USD$ 100 MM. Report to the Non-Food Commercial Manager. Direct supervision to 9 people and indirect to 230 salespersons.• Sales of >130% versus the market in the last quarter thanks to successful negotiations of products and special prices with key vendors.• Double the contribution margin in the last months, through a defensive strategy where the promotional expenses were controlled and agreements with the vendors to improve the trade terms and conditions.• Improve the working capital by > USD$ 10 MM, decreasing the days of inventory from 150 to 50 by way of redefining the purchases mix, shortening the supply time to the stores, and cleaning the aging inventory. • More than 3% growth in market share in the first half of 2020.

    • South Korea
    • Computers and Electronics Manufacturing
    • 700 & Above Employee
    • Head of Sales, Mobile Division
      • Dec 2016 - May 2019

      Responsible for the definition of the sales strategy and the supervision of its execution to attend the Mobile Operators Market, P&L management. USD $350 MM in smartphone sales. Report to the Division Director (local) and the Corean Business Manager. Supervision to 4 Senior Managers.• Increase of > 55% in sales and 32% of the profit by way of the execution of customized strategies delineated for each client considering their marketing focus and their commercial offer in terms of smartphones plans.• Defense of the #1 market share position in the ranking of brands because of the sales during 2018 due to the specific goals and key strategies customized specially for each customer. • Negotiated agreements with the Mobile Operators and Management at all levels.

    • Senior KAM Mobile Division
      • Jan 2016 - Dec 2016

      Leader the sales and the definition of the commercial strategy to the customer Movistar. Report to the Head of division and the Corean Business Manager, supervision to 4 staff members.• 150% net sales growth through the execution of tailor-made activities per tier, directing the sales volume to the mid-segment of the market.• Contributed to reaching # 1 position in market share.

    • Key Account Manager Mobile Division
      • Nov 2013 - Dec 2015

      Responsible for the sales to the Operators Entel and Viettel. Report to the Head of division and the Business Manager. Supervision to 4 staff members.

  • Brightstar Perú
    • Lima, Perú
    • Country Commercial Manager
      • Oct 2010 - Apr 2013
      • Lima, Perú

      The direction of sales, post-sales, and new businesses. Responsible for the P&L. Report to the CEO, direct supervision to 7 Managers, indirect to 70 salespersons.

  • Brightstar Perú
    • Lima, Perú
    • Logistic Services Manager
      • 2010 - 2010
      • Lima, Perú

      Lead and managed the execution of the main service which represented 40% of the gross margin. Report to the CEO.

    • United States
    • Telecommunications
    • 700 & Above Employee
    • Regional Product Manager
      • 2008 - 2010

      Commercial responsible, representing the main brands of smartphones, serving the subsidiaries.Report to the Global VP.

    • Senior Regional Coordinator
      • 2006 - 2008

      Promoted and delegated to Corporate HQ after 1.5 years in Peru

    • Customer Service Executive
      • Jan 1997 - Apr 2005
      • Lima, Perú

      Trainee / Imports Coordinator / Imports Chief / Commercial Sales Executive

Education

  • 2015 - 2015
    Harvard Business School Executive Education
    Changing the Game: Negotiation and Competitive Decision Making
  • 2010 - 2012
    Escuela de Dirección de la Universidad de Piura
    MBA, Master in General Management
  • 1999 - 2004
    Universidad Inca Garcilaso de la Vega
    Bachelor of Business Administration (BBA), Administracion de empresas
  • 1995 - 1997
    Universidad del Pacífico (PE)
    PAEJE. Programa de Administración de Empresas para Jovenes Empresarios

Suggested Services

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Industry Focus. “Technology, Information and Internet”

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