Mirjam Walser-Content & Editing | Webinars | Newsletters & Social Media | Entrepreneur
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Experience
AI Trainer / Data Annotator
DataAnnotation, Outlier
- Review and creation of German-language training data for AI models, with a focus on language quality, tone of voice, and suitability for target groups.
- Design of prompts and evaluation frameworks for quality assurance of AI responses.
- Prompt design and creation of AI training content in German and English.
- Language and voice training for AI models in German.
Founder & Managing Director / Content & Program
Vegan Business School
- Built and led a coaching company for founders, with full responsibility for content, marketing, program, and operations.
- Planned, marketed, and ran webinars and online live events from A to Z, including marketing, registration process, Zoom setup, moderation, and follow-up.
- Designed and delivered a four-month business program with group coaching and 1:1 sessions on business model, financial planning, market research, marketing, PR, sales, and mindset.
- Managed an editorial calendar across blog, newsletter, Instagram, and LinkedIn
- Produced content weekly: newsletters, blog articles, guides, videos, and social media posts
- Built an engaged community from 0 to 1,700+ members through email, Instagram, and LinkedIn.
- Worked directly with freelancers and founders as the main target group; understood how this audience thinks and which content resonates with them.
Columnist (German)
Freelance
- Two fixed monthly columns for a national Swiss news portal, read by a broad German-speaking audience. Topics: vegan lifestyle and animal ethics, as well as “As a Swiss Woman in Berlin.” I made complex topics easy to understand, in the right tone for each audience.
Head of Lifestyle / Project Lead
Nau – Swiss news portal
- Editorial co-lead of 10 digital publications, coordination of 12 freelance writers across multiple time zones, establishment of structured processes and digital tools.
- Responsibility for content production across five lifestyle magazines covering health and sports, travel, animals, everyday tips, and relationships. Coordination of internal and external stakeholders in line with the editorial direction.
- Set up and optimized editorial workflows in a new CMS, with the goal of reducing errors and planning publications smoothly.
- Onboarded new team members through tool training and process documentation.
Co-Founder / Business Development
Faloa
- Co-founded an online marketplace for sustainable premium fashion and design. Built all processes and systems from scratch in a fast-growing startup environment.
- Responsible for finance, PR, communication, and community building.
- Designed and implemented brand and customer loyalty campaigns that created trust, loyalty, and repeat purchases.
- Operations were shut down during the COVID period.
Managing Director & Co-Founder / Community and Event Management
V-entrepreneurs Network
- Built and scaled an international community for impact entrepreneurs, starting with local meetups in Switzerland and growing it to six countries with 3,000+ members.
- Planned and delivered 50+ in-person and online events from A to Z: from small peer-learning rounds to events with 100 participants, including event tech, logistics, and stakeholder coordination.
- Defined the community vision and led a diverse, international remote team across multiple time zones.
- Connected founders with supporters, partners, and programs; built a broad network in the EU food community.
Co-Managing Director & Co-Founder
Singa Switzerland
- Co-founded and co-led a six-month incubator program for people with refugee backgrounds.
- Managed a donation budget of CHF 900,000, including reporting to supporters over several program years.
- Designed the full curriculum from idea development to sales, marketing, and financial planning.
- Recruited and coordinated 15 volunteer instructors throughout the entire program.
- Built a system for tracking progress and impact as a basis for internal learning and supporter reporting.
Project Associate – Knowledge, Learning & Culture
Direktion für Entwicklung und Zusammenarbeit (DEZA)
- Supported the internal knowledge and information management unit; co-facilitated workshops on digital storytelling, visual reporting, and multimedia use.
- Supported research for project proposals, including in the area of Project Cycle Management.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Media and Entertainment, Education, Food and Beverage, Professional Services, Fashion, and Retail.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Marketing, Operations, Project Management, Information Technology, Finance, and Logistics.
Summary
Since 2018, I have been developing content that gets read. First as Head of Lifestyle at a Swiss news portal, later as a columnist, and today as the founder of my own coaching company.
I write newsletters, blog articles, and websites, create webinars, and plan content strategies. In doing so, I combine journalistic precision with a strong marketing mindset and a good feel for target groups. AI tools are a natural part of my daily work, from research and idea development to efficient copywriting.
Skills
- Content Strategy & Editorial Planning
- Newsletters & Email Marketing
- Blog Articles & Online Copy
- Webinars & Digital Events
- Instagram & Social Media
- Powerpoint & Presentation Design
- Marketing & Promotion
- Ai-Supported Work
- Remote Collaboration
- Independent Project Management
- Tone Of Voice & Audience Targeting
- Stakeholder Management
- Continuous Learning
Languages
Education
University of Zurich
Master of Arts · Art History & Political Science · Zürich, Switzerland
University of Geneva
Geneva, Switzerland
University of Zurich
Bachelor of Arts · Art History, Business Administration & Political Science · Zürich, Switzerland
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Mirjam is based in Berlin, Germany.
Mirjam speaks the following languages: German (Native), English (Advanced), French (Advanced), Italian (Intermediate), Spanish (Elementary).
Mirjam has at least 12 years of experience. During this time, Mirjam has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 1 year and 5 months. Note that Mirjam may not have shared all experience and actually has more experience.
Based on recent experience, Mirjam would be well-suited for roles such as: AI Trainer / Data Annotator, Founder & Managing Director / Content & Program, Columnist (German).
Mirjam's most recent position is AI Trainer / Data Annotator at DataAnnotation, Outlier.
In recent years, Mirjam has worked for DataAnnotation, Outlier, Vegan Business School, Freelance, Nau – Swiss news portal, and V-entrepreneurs Network.
Mirjam is most experienced in industries like Media and Entertainment, Education, and Food and Beverage. Mirjam also has some experience in Professional Services, Fashion, and Retail.
Mirjam is most experienced in business areas like Operations, Marketing, and Project Management. Mirjam also has some experience in Information Technology, Finance, and Logistics.
Mirjam has recently worked in industries like Media and Entertainment, Food and Beverage, and Education.
Mirjam has recently worked in business areas like Operations, Information Technology, and Project Management.
Mirjam holds a Master in Art History & Political Science from University of Zurich and a Bachelor in Art History, Business Administration & Political Science from University of Zurich.
Mirjam is immediately available full-time for suitable projects.
Daily rate distribution
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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 24 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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