Marc and Sonvilla are professional filmmakers, photographers and authors both holding University degrees in Conservation Biology/Ecology and Marine Biology (Marc & Christine) as well German Studies (Christine). Their work has been published worldwide and has received several international awards. Their primary focus is documenting wildlife and conservation issues with a spectrum ranging from Arabian oryx antelopes in Oman to wild mountain reindeer in Norway, alligators and cougars in the Florida Everglades to Wildlife in cities and large carnivores in Central Europe.

Their photo stories have been published in magazines such as BBC Wildlife, Terra Mater, GEO, Terre Sauvage or NaturFoto. Their cover story "Die Rückkehr der Bären" / "The Return of the Bears" was published in June 2018 in the German edition of NATIONAL GEOGRAPHIC MAGAZINE, followed by NatGeo Slovenia and Czech Republic. Together they have released two illustrated books "Unter wilden Bären" and "Das wilde Herz Europas". Christine's latest book entitled "Europe's Little Tigers" explores the secret life of European wildcats across Europe. Marc and Christine also present their work live on stage, via photo-exhibitions and - if time allows it - they also pass on their expertise in workshops.

Over the past years their focus on wildlife filmmaking has become more and more pronounced. They have contributed to TV film productions e.g. for ORF, ARTE, NDR or ZDF since 2014. From 2019 until 2022 Marc and Christine together with dreiD.at filmproduction produced a blue chip TV nature documentary about SLOVENIA. They developed the concept and the book, directed the film and completed most of the camera work. Since 2023 they work on their latest TV feature. Furthermore, they also produce scientific shorts and image films for national parks, NGOs and scientific institutions.

Christine, born in 1981 and Marc, born in 1983 have set themselves the goal of addressing the concerns of nature and communicate its needs to a larger public.