# Karsten Schwarzkopf

> Senior Product Manager, independent app creator, and writer with roots in Leipzig, Germany.

Karsten Schwarzkopf works on B2B and public-sector procurement software at Unite. He is an AI Ambassador and certified OKR Coach, with experience in frontend development, agile delivery, product ownership, customer discovery, and product strategy.

## Personal portfolio

- [Product experience](https://karstenschwarzkopf.de/#experience).
- [Skills and approach](https://karstenschwarzkopf.de/#skills).
- [Independent apps](https://karstenschwarzkopf.de/#apps): Klarjahr, ZEST: Daily Food Puzzles, and Drive Moments, designed, developed, and published through EGOHEAD WORKS.
- [Drive Moments case study](https://karstenschwarzkopf.de/case-studies/drivemoments/): GPS recording, optional cockpit video and a private driving journal, from product definition to release.
- [Selected writing](https://karstenschwarzkopf.de/#writing): 3 featured articles and 6 more on product strategy, AI, leadership, and decision-making.
- [The Sovereign PM](https://thesovereignpm.substack.com/): Original articles and publication.
- [Sound design](https://karstenschwarzkopf.de/music/#sound-design): Minimal House and Minimal House 2 expansions for reFX NEXUS, created under Egohead. Earlier creative work.
- [Minimal House at reFX](https://refx.com/nexus/expansion/minimal-house/): Manufacturer credits Egohead and lists 128 presets.
- [reFX NEXUS](https://refx.com/nexus/): Manufacturer and instrument; a current direct product page for Minimal House 2 is not available.
- [Earlier music](https://karstenschwarzkopf.de/music/#archive-list): Releases and remixes under Egohead Deluxe, Trancetter, Funktune, Ka & Mi, and Schwarzkopf & Schröder, plus own-name production credits. Funk Tune is a name variant of Funktune; Ka&Mi and Ka & Ki map to Ka & Mi. Reissues and alternate release titles are grouped; radio and extended versions are separate. This is an earlier creative chapter, not his current professional focus.
- [LinkedIn](https://www.linkedin.com/in/karstenschwarzkopf/): Professional profile.
- [EGOHEAD WORKS](https://egoheadworks.com/): Separate professional app studio and the home for app support and policies.