Konstantinos Koumarelas
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Konstantinos Koumarelas Email & Phone Number

Key Account Manager | Sales Engineer | PV | Project Management | Strategy & Business Development | Customer Interface at Metlen Energy & Metals
Location: Athens, Attiki, Greece 8 work roles 3 schools
1 work email found @gr.bosch.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email k****@gr.bosch.com
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Current company
Role
Key Account Manager | Sales Engineer | PV | Project Management | Strategy & Business Development | Customer Interface
Location
Athens, Attiki, Greece
Company size

Who is Konstantinos Koumarelas? Overview

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Quick answer

Konstantinos Koumarelas is listed as Key Account Manager | Sales Engineer | PV | Project Management | Strategy & Business Development | Customer Interface at Metlen Energy & Metals, a with 3565 employees, based in Athens, Attiki, Greece. AeroLeads shows a work email signal at gr.bosch.com and a matched LinkedIn profile for Konstantinos Koumarelas.

Konstantinos Koumarelas previously worked as Key Account Manager at Bosch Hellas and Sales Engineer at Bosch Hellas. Konstantinos Koumarelas holds Bachelor Of Science - Bs, Mechanical Engineering from National Technical University Of Athens.

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Email format at Metlen Energy & Metals

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{first}.{last}@gr.bosch.com
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Profile bio

About Konstantinos Koumarelas

I am an Energy oriented sales professional with a strong foundation in engineering, specializing in HVAC and Renewable Energy (PV) with over 14 years of sales and technical project management experience. Solid background in planning and implementing sales strategies and projects, with high focus on precision, customer empathy, products and market understanding. Highly skilled in communication, negotiations, business development, sales coordination, product management and energy efficiency. Having good technical perception, I manage, support and coordinate partnership relations and projects, ensuring the growth of profitable commercial ecosystems.

Listed skills include Project Management, Negotiation, Business Strategy, Renewable Energy, and 24 others.

Current workplace

Konstantinos Koumarelas's current company

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Metlen Energy & Metals
Metlen Energy & Metals
Key Account Manager | Sales Engineer | PV | Project Management | Strategy & Business Development | Customer Interface
Athens, GR
Website
Employees
3565
AeroLeads page
8 roles

Konstantinos Koumarelas work experience

A career timeline built from the work history available for this profile.

Key Account Manager

Athens, Attiki, Greece

Ensuring that key customers are satisfied with the services provided, resolving issues in regards to the accounts. Targeting revenue and profitability growth. Build long-term relationships with valuable accounts and turn buyers into business partners. Identifying new business opportunities for key clients. Attending meetings, promotion events, conventions and training workshops.

Sales Engineer

Athens, Greece

Member of a high performance team, my role is in sales and product management.In this dual role, firstly I am responsible for developing and implementing sales strategies from pre-selling, quotation, negotiation and acquisition of new business. My main focus is managing and growing long-term business relationships, strengthening strategic customer relationships and identifying future growth possibilities. Additionally, i am the local Product Management specialist for the Wall Hung Boilers product group in terms of planning, specifying, forecasting, pricing, product launch and pre sales technical support.Notable achievements include:● Received the Gold Global Sales Award 2019 achieving 21% annual growth● Received the Silver Global Sales Award 2018 achieving 18% annual growth● Received the Gold Global Sales Award 2017 achieving 48% annual growth● Participated in launch of company’s first Partners’ Program in 2017● Led the implementation of the new CRM system

Mar 2015 - Oct 2022

Cross Selling Coordinator

Athens, Greece

Upon joining Bosch, I became involved in promoting and coordinating the cross-divisional sales strategy in Greece, Cyprus, Albania and Malta. I trained a team of 3 managers in cross-selling. Applying a strategic approach to the construction sector, I provided solutions for Hotels, Food Industry, Hospitals, Airports, Entertainment Facilities and Commercial Buildings. I also performed cross-divisional business development, extended distribution networks and promoted new technologies. Main achievements included:● Received the TT Sales Growth Award 2015 achieving 20% annual growth● Organized internal promotional events for the construction industry, large accounts, manufacturers and prospect clients● Initiated the launch of an annual team building event with social impact in 2015

Nov 2013 - Dec 2017

Technical Project Manager

Freelance

Athens, Greece

After gaining 4 years of experience working for Greek energy companies, I decided to freelance for a year during the upward trend in the photovoltaic industry, taking on technical projects for the public and private sector (Photovoltaics, Industrial Buildings, Domestic Sewage Pumping Stations).

Oct 2012 - Nov 2013

Technical Manager

Athens, Greece

Leading a team of 5, I operated as a Back Office Coordinator and Field Project Manager to implement technical procedures and solutions for grid connected Photovoltaic Systems in fields and buildings.

Nov 2010 - Nov 2012

Photovoltaic Systems Engineer

Synpower

Athens, Greece

Upon completing my engineering degree and internship, I joined the Greek solar power company SynPower Energy Systems as a Design & Constructions Engineer, planning and designing PV systems, bill of quantities; and coordinating and supervising project related construction activities and crews.

Nov 2008 - Nov 2010
3 education records

Konstantinos Koumarelas education

Bachelor Of Engineering - Be, Mechanical Engineering

Technologiko Ekpaideutiko Idrima, Patron
FAQ

Frequently asked questions about Konstantinos Koumarelas

Quick answers generated from the profile data available on this page.

What company does Konstantinos Koumarelas work for?

Konstantinos Koumarelas works for Metlen Energy & Metals.

What is Konstantinos Koumarelas's role at Metlen Energy & Metals?

Konstantinos Koumarelas is listed as Key Account Manager | Sales Engineer | PV | Project Management | Strategy & Business Development | Customer Interface at Metlen Energy & Metals.

What is Konstantinos Koumarelas's email address?

AeroLeads has found 1 work email signal at @gr.bosch.com for Konstantinos Koumarelas at Metlen Energy & Metals.

Where is Konstantinos Koumarelas based?

Konstantinos Koumarelas is based in Athens, Attiki, Greece while working with Metlen Energy & Metals.

What companies has Konstantinos Koumarelas worked for?

Konstantinos Koumarelas has worked for Metlen Energy & Metals, Bosch Hellas, Freelance, Ellinios Energy Aebe, and Synpower.

How can I contact Konstantinos Koumarelas?

You can use AeroLeads to view verified contact signals for Konstantinos Koumarelas at Metlen Energy & Metals, including work email, phone, and LinkedIn data when available.

What schools did Konstantinos Koumarelas attend?

Konstantinos Koumarelas holds Bachelor Of Science - Bs, Mechanical Engineering from National Technical University Of Athens.

What skills is Konstantinos Koumarelas known for?

Konstantinos Koumarelas is listed with skills including Project Management, Negotiation, Business Strategy, Renewable Energy, Engineering, Energy, Solar Energy, and Energy Efficiency.

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