Kevin Liehn - E-Commerce SME Consultant for Marketplaces

🚀 FRATCH GPT 2.0 - Find freelancers with a single prompt. Now including price benchmarking.

Recommended expert

Lugano, Switzerland

Check rate

Experience

Mar 2025 - Present

1 year 7 months

Interim E-Commerce SME Consultant – Special Accounts

LÖWENSTARK Online Marketing GmbH

Support of strategic clients 7-8 digit revenue (FMCG, textile & household goods) for marketplaces such as Amazon, ebay, Otto Markets, Conrad, Kaufland
Strategic consulting, expansion workshops & campaign management
Management of interfaces & listing feed tools: Channable, Perpetua, Magnalister, Marketplace Connect, Mirakl

Mar 2025 - Present

1 year 7 months

Berlin, Germany

Freelance E-Commerce Marketing Lecturer

Talentspring Marketing Education GmbH

Topics: Digital marketing (SEA, SEO, SM & SE Ads), E-Commerce, data analytics, digital marketplaces, SCM & logistics
Expansion & growth strategies

Nov 2024 - Aug 2025

10 months

United States

Trainer for Artificial Intelligence

Scale AI / Outlier Inc.

Training of LLMs using the RLHF (“Reinforcement Learning from Human Feedback”) method for future AI applications

Sep 2024 - Nov 2024

3 months

Geneva, Switzerland

Entrepreneur in Residence

WeBuild (SA) Ventures Switzerland

Jan 2023 - Aug 2024

1 year 8 months

Zürich, Switzerland

CEO

Nübee AG

Equity investment CHF 10 million & average team size of 12
Development, production & distribution of fresh baby & toddler food (organic, vegan, Swiss baby-food compliance)
Assumed CFO & COO responsibilities
Created & implemented corporate & growth strategy
Led R&D for new food products & production lines
DACH & EU direct-to-consumer & retail expansion
Restructured & built up digital marketing department
Migrated ERP from SAP B1 to JTL Wawi & migrated Shopify from Shopware
D2C transformation: structure, culture, team & tech stack

Dec 2022 - Present

3 years 10 months

Freelance E-Commerce Marketplace Lecturer

ecomex GmbH & Co. KG

Lecturer for the Ecomex Business Academy
Focus on Amazon Seller best practices & applications
Expansion strategy, multichannel operations & marketing modeling
Amazon & Shopify SEO & SEA
Digital marketing with Amazon (PPC, Brand Ads, Brand Story, A/B Testing)

Apr 2022 - Present

4 years 6 months

Munich, Germany

Senior E-Commerce Advisor Häppy Candy Brand

Kardinal GmbH

Vegan & healthy candy start-up USA & Germany (retail & e-commerce)
Candy (fruitgum) development & production sourcing
E-commerce, SCM & operational responsibility
Social media & PPC ads (TikTok, Meta, Amazon, Google)
Amazon, Shopify & middleware support
Migration & setup of warehouse management system

Apr 2022 - Sep 2022

6 months

Munich, Germany

Interim Project Manager Supply Chain Transformation

Occhio GmbH

Luxury lighting industry
Product owner & agile coach
Replaced a mono with a leagile dual supply chain strategy
Created & planned a European flexible component production line
Support for the migration of Microsoft Dynamics

Nov 2021 - Jul 2022

9 months

Munich, Germany

Freelance Product Owner Supply Chain Strategy & Software Solutions

Casana GmbH

Consulting & implementation plan for a centralized WMS & reorder system including forecast modeling
ERP system consulting for the merger of various standalone solutions from different departments & brands

Oct 2021 - Jun 2022

9 months

Salzburg, Austria

Freelance E-Commerce Project Manager

Now2you Handels GmbH

Implementation of an online shop & Amazon strategy

Jul 2019 - May 2021

1 year 11 months

Munich, Germany

Interim Managing Director

Springs & Foam GmbH

Revenue: EUR 16 million and an average team size of 13
Reporting to KKR Inc. board of directors with full P&L responsibility
Responsible for the entire e-commerce strategy and KPI management: marketing and media, brand, sales, product and IT
Due diligence and turnaround; reduced monthly burn rate from €300K to EBITDA break-even level within 3 months
D2C transformation: shift from vendor (1st-party) to seller (3rd-party) contract models (Amazon, Otto, Wayfair)
Development of a new 5-year business plan
Built product innovation pipeline with R&D to improve country-specific market fit across Europe

Jan 2019 - Aug 2020

1 year 8 months

Berlin, Germany

E-Commerce for CBD oil

mycbd.store

Online distribution of CBD oils
Built brand and B2C online sales channel
Social media marketing

Jul 2018 - Present

8 years 3 months

E-Commerce Strategy Consultant

simplygrow

6-month consulting project for a renowned German confectionery manufacturer on a European expansion project for digital distribution channels (Amazon, multiple online shops)

Jul 2018 - Jul 2019

1 year 1 month

Berlin, Germany

E-Commerce Distribution of Sweets

Chocolate Connection

Distribution of sweets via Amazon (FBA program Europe)

Nov 2015 - Jun 2018

2 years 8 months

Berlin, Germany

Founder and CEO

MemorySweets GmbH

Revenue: EUR 2.5 million and an average team size of 18
International B2C and B2B online distribution of specialty sweets (vegan, ketogenic, sugar-free, etc.)
Quadrupled revenue within three years
Increased product range from 300 to 2,400 items
Raised over EUR 1 million in Seed and Series A funding
Distributed via 24 online marketplaces targeting 7 key markets (EU top 5, USA, Japan)

May 2014 - Oct 2015

1 year 6 months

Berlin, Germany

Partner

Liehn & Schuster Partnership “MemorySweets”

Expansion online sweets business
Migration of xtCommerce shop system
Marketplace integration (Amazon, eBay, real.de)
Online marketing strategy & execution

Sep 2013 - Apr 2014

8 months

Berlin, Germany

Online Distribution of Sweets

MemorySweets

Set up of an online sweets business
Online marketing, Google Ads, on- & off-page SEO
Product management & development

Aug 2011 - Aug 2013

2 years 1 month

Berlin, Germany

Student Assistant Controlling & Accounting

Leoni Fiber Optics GmbH

Bachelor's thesis: preparation of a site evaluation for medical packaging section in collaboration with responsible specialist departments
Creation of inventory controlling via SAP MM & MS Excel including tracking defined measures for excess & obsolete stock checking / inventory reduction (volume: EUR 2 Mio.)
Processing & cleaning of material master data in SAP MM
Preparation of cost center reports with SAP FI/CO & MS Excel

Dec 2010 - Apr 2011

5 months

Berlin, Germany

Student Assistant Document Digitization & Consolidation

ILSS GmbH

Feb 2010 - Oct 2010

9 months

Berlin, Germany

Cashier Part-time

Kaufland Warenhandel GmbH & Co. KG

Mar 2009 - Mar 2010

1 year 1 month

Berlin, Germany

Preload & Parcel Sorting Part-time

UPS Deutschland Inc. & Co. OHG

Oct 2007 - Jul 2008

10 months

Berlin, Germany

Civilian Service

All Eins E.V.

Jun 2007 - Oct 2007

5 months

Berlin, Germany

Part-time Employee

McDonald’s Deutschland Inc.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Food and Beverage, Retail, Manufacturing, Education, Transportation, and Information Technology.

Food and Beverage

Retail

Manufacturing

Education

Transportation

Information Technology

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Marketing, Sales, Strategy, Supply Chain Management, Operations, and Information Technology.

Marketing

Sales

Strategy

Supply Chain Management

Operations

Information Technology

Skills

Ai: Open.Ai (Chatgpt), Claude.Ai (Anthropic), Midjourny (Discord), Gamma, Perplexity, Manus.Im
Erp/Wms: Sap R/3 & Sap Erp 6.0, Jtl Wawi, Plentymarkets, Dreamrobot, 3rd Party Or Modular Cms, Crm & Dam Systems & Applications
Shop-Systems: Magento, Shopware, Xtcommerce, Bigcommerce, Jtl Shop, Shopify, Jimdo, Strikingly
Marketplaces: Amazon Vendor, Amazon Seller (Europe, Usa, Canada, Japan, Mexico) As Fba & Fbm, Otto Platform, Otto Markets, Wayfair, Ebay, Hood.De, Dawanda, Real.De, Allyouneed, Rakuten, Ricardo.Ch, Idealo.De
Programing: Vba (Basics), Html (Basics), Css (Basics), Javascript (Basics), Python (Basics)
Databases: Sql (Basics)
Data Analytics: Google Analytics, Power Bi, Tableau, Logistic Regression
Process-Mapping: Ms Visio, Ims Binner Sycat Process Designer Pro, Auto Cad Inventor, Unigraphics Nx 6 (Basics)
Marketing: Channel Advisor, Google Marketing Suit
Project Management: Monday (Sprint Board Planning), Agile Project Management / Scrum, Ms Projects, Integrated Okr-Roadmap-Planning, Mvp-Testing, Lean-Start-Up Methodology, Jira & Confluence
Other: Driving License Class B, Inland Waterways Boat Operator'S License, J+S Cycling Sports Instructor (Ch) Basic Training

Languages

German

Native

English

Advanced

Italian

Advanced

French

Elementary

Education

Sep 2021 - Nov 2023

WHU – Otto Beisheim School of Management

MBA · MBA · Düsseldorf, Germany · 1.0

Apr 2010 - Sep 2013

HTW Berlin

Business & Engineering · Business & Engineering · Berlin, Germany

May 2004 - May 2007

Mildred-Harnack-Oberschule

High School Degree · Berlin, Germany

Certifications & licenses

G1- Hospitality Basics for Future Managers

GastroSuisse

Generative AI for business development Certification

WHU

SAP TERP10 Certification

Transformational Technologies: Applied Lessons from Sports

MIT

Statistics

Experience

Total positions 23

Experience in Food and Beverage 13.5 y

Avg length 1 y 8 m

Longest experience 8 y 2 m

Global experience

Countries worked in 4 (Germany, Switzerland, United States, Austria)

Primary country Germany

Expertise

Recent roles Interim E-Commerce SME Consultant – Special Accounts, Freelance E-Commerce Marketing Lecturer, Trainer for Artificial Intelligence

Main industries Food and Beverage, Retail, Manufacturing

Main business areas Marketing, Sales, Strategy

Qualifications

Highest degree Master

Certifications earned 4

Profile

Member since

July 2025

Last update

September 2025

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Have questions? Find more information here.

Kevin is based in Lugano, Switzerland and can operate in on-site, hybrid, and remote work models.

Kevin speaks the following languages: German (Native), English (Advanced), Italian (Advanced), French (Elementary).

Kevin has at least 18 years of experience. During this time, Kevin has worked in at least 23 different roles and for 23 different companies. The average length of individual experience is 1 year and 9 months. Note that Kevin may not have shared all experience and actually has more experience.

Based on recent experience, Kevin would be well-suited for roles such as: Interim E-Commerce SME Consultant – Special Accounts, Freelance E-Commerce Marketing Lecturer, Trainer for Artificial Intelligence.

Kevin's most recent position is Interim E-Commerce SME Consultant – Special Accounts at LÖWENSTARK Online Marketing GmbH.

In recent years, Kevin has worked for LÖWENSTARK Online Marketing GmbH, Talentspring Marketing Education GmbH, Scale AI / Outlier Inc., WeBuild (SA) Ventures Switzerland, and Nübee AG.

Kevin is most experienced in industries like Food and Beverage, Retail, and Manufacturing. Kevin also has some experience in Transportation, Education, and Information Technology.

Kevin is most experienced in business areas like Marketing, Sales, and Strategy. Kevin also has some experience in Supply Chain Management, Operations, and Information Technology.

Kevin has recently worked in industries like Food and Beverage, Retail, and Education.

Kevin has recently worked in business areas like Marketing, Strategy, and Sales.

Kevin holds a Master in MBA from WHU – Otto Beisheim School of Management and a Bachelor in Business & Engineering from HTW Berlin.

Kevin has 4 certificates. Among them, these include: G1- Hospitality Basics for Future Managers, Generative AI for business development Certification, and SAP TERP10 Certification.

The availability of Kevin needs to be confirmed.

Daily rate distribution

0 1 2 3 4

<€640 €640-800 €800-960 €960-1120 €1120-1280 €1280+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200

900

600

300

Daily rate avg. 1055 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200

900

600

300

Median rate 1120 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.