Summary
Overview
Work History
Education
Skills
Websites
Certification
Timeline
Generic
Estela Martínez

Estela Martínez

Certified English, Business English & Spanish Teacher | Adult Education Specialist
Ludwigsburg

Summary

Certified English, Business English and Spanish teacher specialising in adult professionals. I help professionals and teams communicate with confidence, impact and authenticity in real workplace situations—such as meetings, interviews, presentations and cross-cultural collaboration. My approach blends language training with communication coaching, guiding learners to speak clearly and connect confidently with others, without fear in the moments that matter. With over 12 years of experience in international environments and a background as a Data Analyst and Business Consultant, I bring a structured, practical and goal-oriented approach to teaching. CELTA completed in September 2025.

Overview

10
10
years of professional experience
3
3
Certifications
4
4
Languages

Work History

English & Spanish Teacher

VHS Stuttgart & VHS Heilbronn
01.2024 - Current
  • Teaching General English and Business English (A1-B2) to adult learners in groups of 9-12.
  • Designing student-centred and engaging lessons using a variety of resources and tailor-made materials.
  • Supporting adults preparing for everyday communication, relocation and international roles in multilingual environments.

Language Instructor

Lernstudio Barbarossa
01.2024 - Current
  • Teaching English and Spanish to adults in 1:1 and small group formats.
  • Preparing learners for practical communication needs: work, travel, daily life and integration.
  • Adapting lessons to individual goals, pace and real-life situations.

Business Coach and Content Creator

Freelance
01.2024 - Current
  • Coaching professionals in meetings, presentations, job interviews and workplace communication.
  • Designing personalised learning paths using AI tools, H5P, Moodle and Canva.
  • Creating tailored digital content for adult and corporate learners.

Business Analyst

Cancer Research Institute (ICO)
01.2019 - 01.2022
  • Collaborated with international teams of researchers and executives.
  • Developed analytical reports and dashboards (Python, SQL, Google Analytics).
  • Strengthened cross-cultural communication and project management skills.

Data Scientist

Sociedad de Tasación (ST)
01.2016 - 01.2019
  • Conducted data analysis and reporting for digital transformation projects.
  • Presented technical results to mixed teams and non-technical stakeholders.

Education

CELTA -

Oxford TEFL
01.2025

Digital Marketing Bootcamp - undefined

CareerFoundry
Berlin
01.2023

Master’s Degree - Big Data & Business Intelligence

UOC
01.2021

Bachelor’s Degree - Applied Statistics

UAB
01.2016

Skills

Teaching & Coaching

Certification

CELTA – Oxford TEFL (2025)

Timeline

English & Spanish Teacher

VHS Stuttgart & VHS Heilbronn
01.2024 - Current

Language Instructor

Lernstudio Barbarossa
01.2024 - Current

Business Coach and Content Creator

Freelance
01.2024 - Current

Business Analyst

Cancer Research Institute (ICO)
01.2019 - 01.2022

Data Scientist

Sociedad de Tasación (ST)
01.2016 - 01.2019

Digital Marketing Bootcamp - undefined

CareerFoundry

Master’s Degree - Big Data & Business Intelligence

UOC

Bachelor’s Degree - Applied Statistics

UAB

CELTA -

Oxford TEFL
Estela MartínezCertified English, Business English & Spanish Teacher | Adult Education Specialist