All Authors
Andi Spies
Andi Spies is a seasoned journalist with more than 25 years of experience covering action, outdoor, and board sports.
He is the founder of the content studio TEXTKOMMISSARIAT and the publisher of BLUE Surf & Travel Magazine, where he combines journalistic craftsmanship with a strong sense for storytelling, culture, and the people behind the sports. Over the years, he has written extensively for ispo.com, contributing in-depth stories, interviews, and industry insights that helped shape the platform’s editorial voice and relevance within the global sports and outdoor scene.
A lifelong outdoor enthusiast and early snowboarder, Andi feels just as at home in the mountains as he does by the ocean. When winter fades, he happily trades his snowboard for a surfboard or mountain bike, always in search of the next story, adventure, or line worth telling.
Constantin Duge
Constantin has been working in online marketing and digital publishing for over 15 years. As Editor in Chief of ispo.com, one of the leading international platforms for the sports and outdoor industry, he was responsible for the editorial direction, content strategy, and organic growth of the platform. He focused on building high-quality, SEO-driven journalism, scaling content formats, and aligning editorial excellence with measurable performance.
Alongside his editorial work, Constantin serves as Head of Operations at the Munich-based content marketing agency contentkueche, where he leads teams and oversees content and marketing projects for some of Germany’s largest companies. His expertise lies in performance-oriented SEO, organic social media, and the development of sustainable, editorial-first content ecosystems.
Driven by a strong curiosity for emerging technologies – including AI, esports, blockchain, NFTs, and virtual reality – he continuously explores how new technologies shape storytelling, media, and digital experiences. His work is deeply influenced by his passion for sports, outdoor culture, and the future of digital publishing.
Florian von Stuckrad
Florian von Stuckrad (nicknamed “Stucki”) is an experienced media professional with over 20 years in the industry. He has served as Project Lead and Team Member for the ISPO Award and is currently Chief Marketing Officer at MPM AG. An enthusiastic mountain biker and skier, Florian combines his passion for outdoor sports with extensive expertise in media, marketing, and event management.
Marlene Mackinger
Marlene has been active in the sports business for over five years and loves bringing her passion for sports, outdoor adventures, and creative content strategies into her daily work. She knows the trends of the industry like the back of her hand and understands exactly how to make brands feel authentic while engaging their community.
In her free time, she heads out to the mountains or into nature to recharge and gather new ideas. She stays active with a variety of sports: skiing, Pilates, spinning, or boxing – as long as there’s variety and balance.
With her combination of sports business expertise, content marketing know-how, and genuine enthusiasm for movement, Marlene is the perfect contact for anyone looking to connect sports, brands, and digital storytelling.
Martina Wengenmeir
Dr. Martina Wengenmeir is a seasoned journalist, communicator, and academic with a doctorate in communication and media studies. She specializes in storytelling across sports, lifestyle, travel, culture, society, and digital life, crafting compelling content for magazines, brands, and digital platforms.
Martina has held diverse roles in media, PR, and communications — from Digital Communication Executive at Amer Sports and Social Media Manager at Sky Deutschland to freelance journalist, copywriter, and communications consultant. She brings a versatile skill set to her work, combining strategic thinking with strong editorial experience.
Alongside her freelance work, she is a Professor of Sports Journalism & Digital Communication in Sport, contributing to research and education in media quality and digital trends.
As a sports enthusiast who loves skiing, trail running, hiking, climbing, and surfing.
Maximilian Gaub
Senior author, content marketer, media strategist, co-founder, and lecturer in media brand development, content marketing, and online journalism for over 20 years. Born in 1975, half Bavarian and half Gaul, he’s a father of two, raft adventurer, football culture fan, lifelong cyclist, board game enthusiast, peacekeeper, and happily in love for over a decade.
Miriam Uhl
Miriam has been active in the sports industry for many years, bringing her passion for movement, outdoor adventures, and creative content strategies into her daily work. She has expertise in sustainability and knows how to connect sports brands with broader cross-industry opportunities, all while keeping communities engaged authentically.
In her free time, she stays active with a variety of sports: running, pilates, or spinning – always seeking balance and variety.
With her sports industry know-how, sustainability expertise, and genuine enthusiasm for movement, Miriam is the ideal contact for anyone looking to combine sports, brands, and digital storytelling across industries.
Ralf Kerkeling
Ralf Kerkeling is a freelance journalist and storyteller based in Cologne, Germany, specializing in sport, outdoor, and sustainability topics. He began his journalism career after working in the music and TV industries, and today produces well‑researched content for B2B and B2C print and online media, companies, and editorial projects. Kerkeling has served as editor‑in‑chief for titles such as sportFACHHANDEL and aktivLaufen/Leichtathletik, and writes about circular economy, sustainability, and outdoor trends. He is also a podcast host for shows like Made in Green and Green Vision and regularly moderates panels and conferences in the sports and outdoor sector.
Regina Henkel
Dr. Regina Henkel has been a specialist journalist in the fashion and sports industries since 2000. After studying textile science and business administration, she began her career at the international trade magazine Sportswear International (part of the Deutscher Fachverlag), completed her doctorate, and returned to trade journalism. Since 2010, she has been writing as a freelance journalist for international B2B publications, special interest magazines, and cultural studies journals. Since 2015, she contributes to FashionUnited, covering key topics in fashion, sports, sustainability, and digitalization.
Sarina Scharpf
For over five years, Sarina has worked in the sports and outdoor world with a focus on storytelling, content creation, and digital narratives. With a journalistic mindset, she enjoys shaping ideas, experiences, and trends into thoughtful, engaging content.
Outside of work, Sarina finds balance through movement and nature. She spends her time bouldering, hiking or cycling through the wide, scenic views of Bavaria, using these moments to reset, observe, and gather fresh inspiration. Variety, curiosity, and a sense of flow shape both her active lifestyle and creative process.
Combining industry knowledge with a passion for words, visuals, and sport, Sarina focuses on authentic stories that connect people, places, and movement in a natural and meaningful way.

