--- title: References - Heinz Klemann description: Client references and case highlights showcasing successful marketing, CRM, and performance marketing projects. --- [Skip to content](https://klemann-consulting.com/en/references#main-content) [![Heinz Klemann Consulting Logo](https://klemann-consulting.com/hs-fs/hubfs/heinz-klemann-consulting-logo.png?width=50&height=50&name=heinz-klemann-consulting-logo.png "Heinz Klemann Consulting Logo")](https://klemann-consulting.com/?hsLang=en) - [About Me](https://klemann-consulting.com/en/about-me) - [Blog](https://klemann-consulting.com/en/blog) - [Services](https://klemann-consulting.com/en/services) - [References](https://klemann-consulting.com/en/references) - [Press](https://klemann-consulting.com/en/press) - [About Me](https://klemann-consulting.com/en/about-me) - [Blog](https://klemann-consulting.com/en/blog) - [Services](https://klemann-consulting.com/en/services) - [References](https://klemann-consulting.com/en/references) - [Press](https://klemann-consulting.com/en/press) ![menu-toggle](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-toggle.svg) ![menu-close](https://21645388.fs1.hubspotusercontent-na1.net/hubfs/21645388/menu-close.svg) English - [English](https://klemann-consulting.com/en/references) - [German](https://klemann-consulting.com/de/referenzen) [Get in touch](https://klemann-consulting.com/meetings/heinzk/30min?hsLang=en) ## References #  Selected Projects & Engagements A snapshot of the roles and projects where I’ve taken ownership — from serving as Interim Head of Marketing to leading CRM transformations and driving performance marketing initiatives.  ![travador.com](https://klemann-consulting.com/hubfs/travador.com.png) ## travador.com ## Interim Head of Marketing – Travador Travador was at a point where marketing budgets, channel priorities, and overall profitability logic needed to be fundamentally reassessed. The objective was clear: stabilize revenue while significantly improving the profitability of marketing activities. ### Execution & Impact - Refocused on high-margin channels such as email and affiliate/partner marketing - Reworked budget allocation, discount structures, and campaign planning - Led and structured the marketing team to ensure clear ownership and accountability - Introduced and scaled new channels and initiatives, including WhatsApp, HubSpot, the mobile app, and the Travador Club The result was a more performance-driven setup with clearer economics and stronger contribution margins. ## arivis.cloud ## Senior B2B Marketing Consultant – arivis (ZEISS Microscopy) arivis, part of ZEISS Microscopy, was looking to take its B2B marketing to the next level — with a clearer structure around lead generation, performance channels, and CRM processes. The goal was to better connect content, paid acquisition, and CRM into one integrated growth engine. ### Execution & Impact - Developed a focused B2B social media strategy for LinkedIn and Twitter (now X) - Set up and continuously optimized Google Ads campaigns - Supported lead generation through webinars, content marketing, and SEO initiatives - Took ownership of CRM initiatives in HubSpot, including email campaigns and automation - Led the migration from HubSpot to Marketo, including process restructuring and system alignment The result was a more structured, performance-oriented B2B marketing setup with stronger alignment between marketing activities and lead management. ![arivis.cloud](https://klemann-consulting.com/hubfs/arivis.cloud.png) ![data4life.care](https://klemann-consulting.com/hubfs/data4life.care.png) ## data4life.care ## Senior Performance Marketing Manager – Data4Life Data4Life needed to build its digital marketing channels in a more structured way and shift existing activities toward a stronger performance focus. The objective was to systematically increase reach, engagement, and user retention. ### Execution & Impact - Planned and executed paid social campaigns (Meta Ads) - Managed Google Ad Grants and Google Display campaigns - Led the newsletter strategy and retention initiatives - Continuously monitored, optimized, and reported on key performance metrics This created a more data-driven setup with clearer performance visibility and measurable growth across core digital channels. ## beast.bi ## Senior Digital Marketing Consultant – BeastBI As co-founder of BeastBI, I continue to support the company in selected client engagements as well as in sales and marketing development. My focus is on strategic marketing consulting, CRM structures, and data-driven performance marketing. ### Execution & Impact - Contributed to selected client projects across strategy and execution - Supported the development of internal sales and marketing structures - Designed and optimized CRM and HubSpot setups - Created blog content and high-converting landing pages - Built backlinks and improved on-page SEO performance - Managed strategic partnerships and collaborations The work centers on strengthening scalable marketing systems while ensuring measurable and sustainable growth. ![beast.bi](https://klemann-consulting.com/hubfs/beast.bi.png) ![blindwerk.de](https://klemann-consulting.com/hubfs/blindwerk.de.png) ## blinkwerk.de ## Senior Sales & Marketing Consultant – blindwerk blindwerk was looking to better define its marketing and sales structures and evolve lead generation both strategically and operationally. The goal was to build a scalable setup that tightly connects marketing initiatives with the sales process. ### Execution & Impact - Built and structured email marketing in HubSpot - Implemented sales automation workflows within HubSpot - Launched and optimized LinkedIn Ads campaigns - Set up structured cold outreach using Apollo.io, Surfe, and HubSpot - Led the migration from HubSpot to Zoho CRM, including process alignment The outcome was a more integrated marketing and sales engine with clearer lead flows, automation, and scalability. ##  A few words from clients ![Josephine Weiss](https://klemann-consulting.com/hubfs/Josephine%20Weiss.png) “Thanks to his seniority, coordination and execution were always fast and seamless.” Data4Life | Josephine Weiss ![Michael Scharf](https://klemann-consulting.com/hubfs/Michael%20Scharf.png) “As you’d expect from a senior expert, Heinz was a strong sparring partner throughout. Projects were delivered quickly and reliably. Great to work with!” Parkster.de | Michael Scharf ![Stefan Oberdörfer](https://klemann-consulting.com/hubfs/Stefan.png) “Reliable, committed, and professional.” freelance.de | Stefan Oberdörfer ![Simon Zerlin](https://klemann-consulting.com/hubfs/Simon%20Zerlin.png)  "Heinz is one of the few marketing experts who truly combines strategy, data, and hands-on execution. He works independently, moves quickly into implementation, and is highly reliable. A strong marketing partner for many years." Travador.com | Simon Zerlin ![Bernhard Fichtl](https://klemann-consulting.com/hubfs/Bernhard%20Fichtl.png) “Working with Heinz was a very positive experience. With his broad expertise, he was able to support us across all areas of marketing — especially in digital.” ZEISS arivis | Bernhard Fichtl [![Heinz Klemann Consulting Logo](https://klemann-consulting.com/hs-fs/hubfs/heinz-klemann-consulting-logo.png?width=50&height=50&name=heinz-klemann-consulting-logo.png "Heinz Klemann Consulting Logo")](https://klemann-consulting.com/?hsLang=en) Heinz Klemann Consulting Performance marketing and CRM consulting. Strategy + hands-on execution. Long-term or interim. Focus: Marketing leadership & strategy, CRM/HubSpot, analytics and data. - - [About Me](https://klemann-consulting.com/en/about-me) - [Blog](https://klemann-consulting.com/en/blog) - [Services](https://klemann-consulting.com/en/services) - [References](https://klemann-consulting.com/en/references) - [Press](https://klemann-consulting.com/en/press) Copyright © 2026 Best2B Consulting GmbH & Co. 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