Marc has been developing software for giant companies, tiny startups, and everything in-between since the last millennium. Since 2008 he has focused on mobile apps, when he created the first iPhone ebook reader: Stanza. Since then, he has created apps for Amazon, Bose, the New York Times, and many others. He has presented at conferences and private trainings in a dozen countries around the world over the years.

He is one the founders of the Swift Android Workgroup and is currently acting as the release manager. He is also the creator of Skip.dev, the open-source project that enables the creation of SwiftUI iOS and Android apps from a single codebase.