Stefan Bongartz
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Stefan Bongartz Email & Phone Number

Founder at Kohldampf
Location: Düsseldorf, North Rhine-Westphalia, Germany 16 work roles 3 schools
1 work email found @kohldampf.io LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email s****@kohldampf.io
LinkedIn Profile matched
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Current company
Role
Founder
Location
Düsseldorf, North Rhine-Westphalia, Germany
Company size

Who is Stefan Bongartz? Overview

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Quick answer

Stefan Bongartz is listed as Founder at Kohldampf, a company with 1 employees, based in Düsseldorf, North Rhine-Westphalia, Germany. AeroLeads shows a work email signal at kohldampf.io and a matched LinkedIn profile for Stefan Bongartz.

Stefan Bongartz previously worked as Founder at Bongartz Consulting and Mentor & Sales Coach at H2Ub. Stefan Bongartz holds Master Of Science, Finance from Edhec Business School.

Company email context

Email format at Kohldampf

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{first}@kohldampf.io
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AeroLeads found 1 current-domain work email signal for Stefan Bongartz. Compare company email patterns before reaching out.

Profile bio

About Stefan Bongartz

Stefan Bongartz is a Founder at Kohldampf. He possess expertise in entrepreneurship, start ups, business strategy, marketing, strategy and 6 more skills. He is proficient in English. Colleagues describe him as "Stefan's understanding of modern day digital marketing landscape and concepts is fantastic. With a special focus on growing startups, he's able to see through the challenges that exist, realise that there are some significant hurdles to providing the best customer experience, and yet, trace a path of least resistance towards that end goal in the best possible way! It was fantastic having his expertise on hand as we scaled Onfido's marketing operations from a 3 person team to a 10 person team. And despite all his expertise and experience, he was not shy of rolling up his sleeves and fixing issues and hacking together solutions. I look forward to working with him in the future again!"

Listed skills include Entrepreneurship, Start Ups, Business Strategy, Marketing, and 7 others.

Current workplace

Stefan Bongartz's current company

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Kohldampf
Kohldampf
Founder
Düsseldorf, NRW, DE
Website
Employees
1
AeroLeads page
16 roles

Stefan Bongartz work experience

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

Founder

Current
Bongartz Consulting

Düsseldorf, North Rhine-Westphalia, Germany

Mentoring and Coaching in digital business model innovation and corporate venture building for intrapreneurs and teams in midcap companies and corporates. Customers include Haniel Group, Tüv Nord, CWS Boco, EWE, Henkel, SAP, Paradies Bettwaren, Sipgate, Fiege Logistics, Pilkington, etc.

Jan 2017 - Present

Mentor & Sales Coach

Current

Essen, North Rhine-Westphalia, Germany

Mentor to startups in the SPRINT batches of the H2Hub accelerator program building the HYDROVERSE.

Aug 2024 - Present

Mentor & Sales Coach

Current

Essen, North Rhine-Westphalia, Germany

Mentor to startup founders in the Bryck accelerator program with a focus on building a livable future (energy transition, healthtech).

Feb 2022 - Present

Trainer Leadership & Sales

Current

Berlin

Leadership and sales trainer to founders and their startups being part of the Phineo accelerator trying to solve the polycrises in the world.

Mar 2024 - Present

Interim Head Of Sales

Current
Modellbau Freyer

Duisburg, North Rhine-Westphalia, Germany

Modellbau Freyer produces acryl glas and 3D print design models for the beverage and food packaging industry.

Jul 2023 - Present

Co-Founder / Ceo

Düsseldorf Area, Germany

B2B agency for digital lead generation with a focus on SaaS companies.

Jan 2017 - Dec 2023

Interim Chief Marketing Officer

Talention is a recruiting marketing SaaS company enabling recruiters to analyse recruiting channels.

Jul 2021 - Jun 2022

Co-Founder / Ceo

Sandwichzeit

Düsseldorf, North Rhine-Westphalia, Germany

Sandwichzeit was a local healthy lunch delivery service for home office workers during Covid.

Apr 2020 - Jun 2021

Strategic Adviser

Berlin, Germany

Advising the corporate venture team at Digitalprojekte 4 GmbH to launch and scale startups in the energy sector (amperas.de and energieberater.io).

Jun 2019 - Dec 2020

Co-Founder / Ceo

Germany

Yard was a indoor farming start-up with the vision to empower amateur and professional chefs to grow the tastiest and healthiest greens at home or in restaurants through an IoT kitchen device.

Jan 2017 - Dec 2019

Adviser To Head Of Marketing

San Francisco Bay Area

Onfido is a SaaS company enabling digital ID checks for employees, service providers and customers through AI automation.

Jan 2016 - Dec 2016

Chief Marketing Officer

Hassle.Com

London

Hassle.com is the leading on-demand platform for household services in the English speaking world.

Jul 2015 - Dec 2015

Co-Founder / Ceo / Cmo

Putzfee.De

Berlin Und Umgebung, Deutschland

putzfee.de was an on-demand cleaning service in Germany and was acquired by hassle.com in Mar 2015.

Jul 2014 - Jun 2015

Co-Founder / Ceo / Cmo

Berlin Und Umgebung, Deutschland

kinderfee.de was on-demand babysitter service in Germany and was acquired by hassle.com in Mar 2015.

Dec 2010 - Jun 2015

Analyst

Frankfurt

Advisory of online and tech businesses in M&A transactions and financing activities.

Sep 2008 - Aug 2010
3 education records

Stefan Bongartz education

FAQ

Frequently asked questions about Stefan Bongartz

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

What company does Stefan Bongartz work for?

Stefan Bongartz works for Kohldampf.

What is Stefan Bongartz's role at Kohldampf?

Stefan Bongartz is listed as Founder at Kohldampf.

What is Stefan Bongartz's email address?

AeroLeads has found 1 work email signal at @kohldampf.io for Stefan Bongartz at Kohldampf.

Where is Stefan Bongartz based?

Stefan Bongartz is based in Düsseldorf, North Rhine-Westphalia, Germany while working with Kohldampf.

What companies has Stefan Bongartz worked for?

Stefan Bongartz has worked for Kohldampf, Bongartz Consulting, H2Ub, Bryck.Com, and Phineo Startups.

How can I contact Stefan Bongartz?

You can use AeroLeads to view verified contact signals for Stefan Bongartz at Kohldampf, including work email, phone, and LinkedIn data when available.

What schools did Stefan Bongartz attend?

Stefan Bongartz holds Master Of Science, Finance from Edhec Business School.

What skills is Stefan Bongartz known for?

Stefan Bongartz is listed with skills including Entrepreneurship, Start Ups, Business Strategy, Marketing, Strategy, Venture Capital, Private Equity, and Corporate Finance.

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