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Cecilio Martinez CastellanoCM

Cecilio Martinez Castellano

Mentor and Consultant: Product, Strategy, and Sales

€349/day
14 projects
Sevilla, ES
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cecilio

Hello, I'mCecilio Martínez Castellano! =)

I am a natural-born entrepreneur, dreamer, and restless spirit. Passionate about product and business development, corporate strategy, and sales. This is my journey:

  • CEO and creator of The Fat Nerd (Current). Consultancy and project accelerator.
  • Associate Mentor at Loyola University. Current
  • Associate Mentor at the University of Seville. Current.
  • National Project Mentor. Specialization: product, strategy, and sales for Wayra-Telefónica Current.
  • City Manager Seville of Kleta. (2022).
  • Director of Operations at Naturcode. (2021)
  • CEO and founder of Foos App and Foos delivery (2017-2020): Startup financed by Just Eat España
  • Founder of Roomvive.com (Best business idea of the year 2014, awarded by Andalucía emprende)

My specialities are:

  • Product and Business Development: Ideation and creation of minimum viable products, launch, testing, improvements, and initial commercialization tests following the methodology I know best: Lean Startup, support and help in the development of the entire business set to create initial traction and results, through a business plan, and a financial plan...

  • Strategic Planning: Market launch strategy, decision-making, differentiation from competitors, sales strategy, differentiation from competitors, planning and creation of roadmaps for the project.
  • Risk Analysis, Viability, and Business Model: Analysis and study of the model's viability, help with sampling, verification and testing, data collection, KPI analysis, help interpreting ROI.

  • Sales: Communication strategy, sales, how to acquire the first customers, how to retain them, guidance on how to act on social media and what type of networks to use for acquisition, prospecting and customer database creation, which CRMs to use for all this, email marketing tips, management and leadership of work teams.
  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Sevilla (up to 30km), Madrid (up to 10km)

Experience

  • Kleta Mobility
    City Manager Kleta
    TRANSPORTATION
    January 2022 - Today (4 years and 6 months)
    Sevilla, Spain
    Sustainable Mobility Management Team Management Product Launch Conflict Resolution
  • Naturcode
    Director of Operations
    AGRICULTURE
    January 2021 - January 2022 (1 year)
    Palma, Spain
    Management, strategy planning and roadmap for expansion, team management, operations planning and control.
    Strategic Planning Team Management Project Management Product Development Business Strategy
  • Foos, SL.
    Founder and CEO.
    LOGISTICS AND SUPPLY CHAIN
    September 2018 - May 2021 (2 years and 8 months)
    Sevilla, Spain
    -Foos App: Platform (web and app) for selling homemade meals, diets, menus, weekly and monthly packages for office workers.

    -Foos Delivery: Post-covid stage. 80 establishments in portfolio. Last-mile logistics service to support local businesses so they could deliver their products directly and safely to all customers confined to their homes.
    Strategic Planning Team Management Commercial Strategy Communication Strategy Product Development

Reviews

5.0

Out of 2 ratings

J

Jordi

Wayra - INCIBE

Several days project

-

Reviewed on 6/12/2025

A pleasure working with Cecilio! His experience in entrepreneurship and his constructive energy are of great help to startups. 😊
J

Jordi

Wayra - INCIBE

Reviewed on 6/12/2025

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Education

  • Graduate in Labor Relations and Human Resources.
    University of Seville
    2015
  • Product validation and business strategy.
    Vodafone Minerva Acceleration Program. Edition 18/19
    2019
    Programa de aceleración para Startups 18/19. Seleccionaron mi proyecto entre 250 empresas Andaluzas para formar parte de las 30 integrantes de este programa de aceleración.

Skill set

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