Christian Strauch
Co-Founder and CEO
Christian Strauch is CEO and co-founder of hellomateo and is responsible for the strategic and operational management of the company. In his role, he is particularly responsible for sales, marketing and partners. Under his leadership, hellomateo has developed into a central tool for customer loyalty via WhatsApp, e-mail and letter for more than 2,000 companies.

Before founding hellomateo, Christian Strauch worked at SAP for several years, where he also completed a dual degree in business administration. In his role as account executive, he served both existing and new clients in upscale SMEs and in the enterprise environment. In doing so, he gained extensive experience in B2B SaaS sales and in particular deepened his expertise in complex sales processes, strategic customer advice and building long-term customer relationships.
In addition to many years of experience in the B2B SaaS sector, Christian Strauch brings extensive expertise in customer communication, marketing and the use of the WhatsApp API in a B2B environment. He helped hundreds of companies use messenger channels efficiently for lead generation, advice and support. His content on this blog is a valuable resource for anyone who wants to modernize their marketing and service strategies and take customer communication to the next level.
![What is and how do I use the WhatsApp Business API [November 2024]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc558f8b4bb3780f669f_66c75700a4ecc38f87fbffdb_whatsapp-business-api-was-ist-das.avif)
What is and how do I use the WhatsApp Business API [November 2024]
Die WhatsApp API enables companies to scalable, automated and GDPR-compliant customer communication. It offers significantly more features than WhatsApp Business, such as integrations, newsletters and automated messages. In this article, you'll learn how the WhatsApp API works, which benefits It offers and with which expenses is to be calculated.
![How much does the WhatsApp Business API cost? [2026 price list]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc5522aa4803c32625ae_66699c35a9bfb568d1ba9c22_whatsapp-business-api-kosten-2024.avif)
How much does the WhatsApp Business API cost? [2026 price list]
The use of whatsapp enables companies to direct, fast and personal customer communication. In contrast to emails, users do not expect long waiting times here. Thanks to its personal user atmosphere, WhatsApp is also ideal for marketing newsletters. With around 2 billion users worldwide and opening rates of over 95%, the potential is enormous. However, only the use of paid WhatsApp Business API GDPR-compliant. But what does it cost WhatsApp Business API up to date? This article provides an overview of new price list, valid from January 2026.
![What is the difference between WhatsApp Business and the WhatsApp Business API? [novembre 2024]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc546f0dac615c0fafbb_6537d37c7d5c39089e7f3f0e_whatsapp-business-whatsapp-api-logo.avif)
What is the difference between WhatsApp Business and the WhatsApp Business API? [novembre 2024]
WhatsApp has become an integral part of corporate communication. But WhatsApp Business And the WhatsApp Business API differ significantly in functions, Data protection and scalability. In this article, you'll find out which solution is right for your company, why GDPR compliance plays a central role and how you can with the WhatsApp API establish professional, automated and legally compliant customer communication.
![What is the difference between WhatsApp and WhatsApp Business? [novembre 2024]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc5436d607fc37959019_653e79fe84a3efc081bea4df_whatsapp-vs-whatsapp-business.avif)
What is the difference between WhatsApp and WhatsApp Business? [novembre 2024]
WhatsApp is part of everyday life for many people. But for companies, the question quickly becomes whether the WhatsApp Messenger is sufficient or whether WhatsApp Business is the better choice. In this article, you will find out which differentials There are which functions WhatsApp Business offers and how companies use the messenger useful for customer communication be able to use.

What is dialogue marketing? — The complete guide for companies
In an increasingly digital world, in which customer demands for interaction with companies are constantly increasing, it is more important than ever to establish appealing and personalized communication. This is where dialogue marketing comes in. It enables companies to contact their customers directly and specifically in order to increase customer loyalty and sales. In this blog article, you will learn what dialogue marketing is, what role WhatsApp plays in modern dialogue marketing and how you can successfully use it for your company.
![Presentation: The hellomateo AI agent with chatbot for automated customer service [June 2025]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc51a035994b3ca821e3_68583654df82bf107370b2e5_hellomateo-ai-agent-chatbot.avif)
Presentation: The hellomateo AI agent with chatbot for automated customer service [June 2025]
Customer service is expensive, repetitive — and often frustrating. Not only for customers, but also for the teams behind them. Always the same questions about Opening times, returns, or product availability block time that is actually needed for real concerns. And at the same time, customers today expect: quick, precise answers that can be reached at any time — even in the evening or on weekends.
The solution: Artificial intelligence in customer service. More specifically: a AI agent, which reacts to messages around the clock, delivers information and only hands it over to a real employee when it's really necessary. Good for that, we provide you with the new AI agent & chatbot from hellomateo before!

Why conversational commerce is the future of e-commerce
Conversational commerce is a new type of e-commerce based on interaction and dialogue is based. But can this really revolutionize e-commerce sales? In this article, we explain the basics and future potential of conversational commerce and explain how you can use conversational commerce for your business.
![Upgrade for physiotherapists: Reduce communication costs thanks to WhatsApp [July 2023]](https://cdn.prod.website-files.com/68b19e5233a4641b9e2e4f95/692dcc4ffc3c68f5f0278462_64afc8aea65d7b3be0430d28_physiotherapie-praxis-nutzt-whatsapp.avif)
Upgrade for physiotherapists: Reduce communication costs thanks to WhatsApp [July 2023]
Efficient communication between patients and practice staff is of great importance in physiotherapy practices. WhatsApp can play an important role here in facilitating and improving exchanges. Many practices communicate primarily with their patients with time-consuming phone calls and are unsure how they can use WhatsApp without having to oppose the General Data Protection Regulation to violate (GDPR). In this post, we'll show you how using the WhatsApp Business API can make communication easier for physiotherapists.

Comparison: Customer communication with messenger or email marketing
Digitalization is a key driver of change in all areas of business. The marketing world is also undergoing a change. End customers have ever higher expectations and are being bombarded with promotional offers from all sides. As a result, attention span decreases enormously and many traditional promotional emails end up directly in an “advertising folder” or directly in spam.
We will show you the advantages of messenger channels as central communication channels with customers compared to the traditional email approach.







