Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Hobbys
Disclaimer
Generic
Stefan Dietz

Stefan Dietz

Weiltingen

Summary

Qualified with a successful and proven track in managing, develop and onboarding international key accounts.


Developing and manage business entry strategies as well as implement those into various markets in several branches


Manage different procurement markets (tender / communal services)


Analytical skills out of CRM database


Fast and precise technical understanding of new developments



Overview

40
40
years of professional experience

Work History

Key Account Manager

Hyundai Hydrogen Mobility Germany GmbH
08.2024 - Current

Hyundai Hydrogen Mobility is part of Hyundai Motor Cooperation, HHM is the sales organization for entire EU


  • Expanded key account base by identifying and cultivating new business opportunities tailored account strategies to align client needs with company offerings.
  • Developed and delivered presentations to key customers to position products and services.
  • Analyzed market trends, identifying opportunities for expanding product offerings within key accounts.
  • Analyzed market trends and competitor activities to inform strategic planning.
  • Led negotiations with clients, securing favorable terms and conditions for contracts.
  • Built and maintained strong client relationships to drive business growth.
  • Strengthened client relationships through regular communication and effective problemsolving.

Senior Key Account Manager / Market Manager

Quantron AG
07.2020 - 08.2024


Quantron AG is a builder of Zero-Emission trucks BEV & FCEV up to 44to, as well as buses


  • Responsible for controlling and development of strategic global key account customer
  • Responsible for the market development in the region Middle East, Spain, and Scandinavia
  • Development of civil & communal service customers in Bavaria
  • Leadgeneration

Head of Sales & Marketing

EVUM Motors GmbH
10.2018 - 06.2020

Development and building of a small multipurpose truck


  • Responsible for conception and implementation of sales strategy and market entry
  • Responsible for the implementation of the sales structure & sales programme plus leading the sales and marketing team
  • Responsible for conception and implementation of the market entry strategy marketing wise
  • Set up of sales and marketing targets
  • Price- Volume and Margincalculation together with CEO
  • Key Account Management


Sabbatical

Self
03.2018 - 09.2018

International Key Account Manager

Torqeedo GmbH
01.2016 - 02.2018

Manufacture and distribution of electric and hybrid propulsion systems in the leisure and commercial shipping sectors


  • Acquisition and onboarding of major international customers
  • Development and implementation of market entry strategies in the charter/rental and small commercial crafts sectors
  • Quantitative and qualitative support for major international customers in the recreational and commercial marine sectors
  • Sales and design of project-related high-voltage drive systems for shipyards worldwide
  • Training and consulting for distributors and dealers
  • Technical project management for customer projects (OEM)

Global Sales Manager Nautik

MINOX GmbH
10.2013 - 12.2015

Minox is a manufacturer of optical devises for military, police, hunters and sailors


  • Establishment and management of a global distribution network for nautical binoculars, including budget and sales responsibility for 24 countries
  • Area sales management (Europe & South America) in the photography/hunting and law enforcement segments
  • Price promotions and event planning in developed markets
    Development and implementation of market development and sales strategies
  • Manufacturing and distribution of long-range optics in the areas of photography, hunting, nautical, law enforcement

Yachtsales Agent

TUI travel plc
10.2010 - 09.2013
  • Development and implementation of the German contract and marketing plan
  • Yacht sales as part of the yacht owner program
    Sole responsibility for the DACH and Polish markets
  • Planning and execution of trade fairs (Boot, Hanseboot, Interboot, HISWA, Gdansk Boat Show)

Branch Head

A.W.Niemeyer GmbH
01.2006 - 07.2009
  • Implementation of a new branch
  • Head of branch team
  • Successful implementation of the business plan from conception to three years after opening

Independent Sales Agent

Blue-Water Yachting
11.2001 - 12.2005

Customer Service Representative

SGS Control-Com.m.b.H
07.1997 - 10.2001

Enlisted Soldier

Bundeswehr
07.1985 - 06.1987

Education

Mag. art. - Political Science And German

Universität Mannheim
Mannheim
06.1997

Business Administration And Management

Universität Mannheim
Mannheim
09.1992

Abitur - undefined

Gesamtschule Weinheim
Weinheim
01.1985

Skills

  • Client relationship building
  • Business development
  • Key account management
  • Data-driven decision making
  • Cross-functional collaboration
  • Sales tactics
  • Languages: English fluently, Dutch good
  • IT: Microsoft Office, Salesforce good

Accomplishments

  • QUANTRON AG
    Acquisition and development of the company's largest customer.
    Acquisition of the first FCEV customer in the light commercial segment
    Acquisition and onboarding of two distributors in Spain and Israel
    Won and successfully completed tender for bus in Weilheim and waste collection vehicle in Graz.
  • EVUM MOTORS GMBH
    Conception and implementation of market entry strategy in both sales and marketing.
    Strategic conception of target groups and target markets.
    Implementation of Salesforce CRM system.
    Implementation of strategic pricing and packaging.
  • TORQEEDO GMBH, GILCHING
    Won the European Commercial Marine Award, Sea Works UK 2017
    Successful sales and implementation of the temperature-stable hybrid drive concept for a solar ferry (200 passengers) in southern Spain
    Successful sales and implementation of the fully automatic hybrid drive concept for a motor yacht in Turkey with a range of 4,000 nautical miles.
    Successful implementation and market opening for outboard motors in the charter/rental sector (Moorings/Sunsail, and Pitter Yachtcharter).
  • MINOX GMBH, WETZLAR
    100% increase in sales in the French market within two years
    150% increase in sales in the nautical long-range optics segment worldwide
    Onboarding of 24 distributors within two years across five continents
    Onboarding of distributors in politically challenging regions (Afghanistan, Yemen, Africa)
    Winning of 2 NATO tenders in the field of law enforcement
  • AWNIEMEYER GMBH, MANNHEIM
    Successful conception, planning, and opening of one of the 3 largest specialist retail stores for yacht and boat accessories in southern Germany.
    Budgeting and product range planning in the run-up to the opening
    50% increase in sales and earnings within two years
    Turnaround achieved after ten months, sales in the first year exceeded EUR 550,000

Timeline

Key Account Manager

Hyundai Hydrogen Mobility Germany GmbH
08.2024 - Current

Senior Key Account Manager / Market Manager

Quantron AG
07.2020 - 08.2024

Head of Sales & Marketing

EVUM Motors GmbH
10.2018 - 06.2020

Sabbatical

Self
03.2018 - 09.2018

International Key Account Manager

Torqeedo GmbH
01.2016 - 02.2018

Global Sales Manager Nautik

MINOX GmbH
10.2013 - 12.2015

Yachtsales Agent

TUI travel plc
10.2010 - 09.2013

Branch Head

A.W.Niemeyer GmbH
01.2006 - 07.2009

Independent Sales Agent

Blue-Water Yachting
11.2001 - 12.2005

Customer Service Representative

SGS Control-Com.m.b.H
07.1997 - 10.2001

Enlisted Soldier

Bundeswehr
07.1985 - 06.1987

Abitur - undefined

Gesamtschule Weinheim

Mag. art. - Political Science And German

Universität Mannheim

Business Administration And Management

Universität Mannheim

Hobbys

Fernreisen, Segeln, afrikanische Kunst

Disclaimer

Weiltingen, December 12th 2025

Stefan Dietz