ProductZen®

Gründer

Freelancing

Helping product teams in small & medium sized organisations unlock their potential.

Director Digital Product

Helping clients across broad range of industries build profitable digital products users love.

Senior Product Manager

Product Manager

Mitte

Helping the digital teams at Mitte grow, scale, and mature.

Director Digital Product (interim)

Toptal

Toptal is an exclusive network of the top freelance software developers, designers, finance experts, product managers, and project managers in the world.

Freelance Toptal Product Manager

reef

Building reef, the first career development platform designed for freelancers. We accelerate the careers of freelancers through personalised career guidance, purposeful community-building and quality curated content.

CloudMade

Led an engineering team of eleven people using machine learning & design to create delightful travel experiences.

Senior Produktmanager

IDEO

Heading up business development for collaborative innovation tool OI Engine .

Business Development Director

Building a collaborative innovation tool (Enterprise SaaS)and the organisation behind it.

Produktmanager

Deutsche Bank

Bringing digital innovation to an 100+ years old organisation. Awarded with Deutsche Bank GTO RARE Award 2008 for exceptional performance

Innovation Manager in Global Technology

Assisting in project mgmt for a global transformation initiative.

Management Trainee in Global Trade Operations

Bundeswehr Wir. Dienen. Deutschland.

Fulfilling my duty and learning what I do and don't want to do in life.

Obergefreiter Deutsche Luftwaffe

Senior Product Leader with over 15 years of experience in leading digital product teams. IDEO Alumni. Experience in corporates (Deutsche Bank, ERGO), scale-ups (Mister Spex, Enpal), start-ups (OI Engine, mylo, mitte), and as a founder and entrepreneur (ProductZen, reef, IchWillKochen).

My particular focus is on three things that are often neglected in the fast-paced digital product world:
1. building a robust product strategy.
2. building solid product discovery processes.
3. building and managing a world-class product organization that fits the goals and the company

Felix Reiners

You have the product vision, we provide the solution. Nearshoring expert | Bridge between cultures and technologies | CEO at Homo Digitalis

As CEO of Chase Prime, I’m shaping the future of strategic procurement by bringing clarity, control, and real intelligence to how businesses buy.

I believe that sustainable success begins with understanding where money is being lost, making processes truly manageable, and delivering real, actionable insights — not tomorrow, but now.

At Chase Prime, we combine data-driven analysis and AI-powered decision intelligence to make procurement more efficient, transparent, and risk-aware. Our solutions deliver measurable impact:

✨ Transparency in 14 days — immediately see where costs and risks are hiding.
🚀 Results in just 4 weeks — rapid realization of value and savings.
📉 2–5% visible savings immediately — practical and sustainable.
🔍 Overcharges uncovered — identify and correct incorrect charges.
🛠 70% fewer manual RFQs — through intelligent automation.
⚠️ 32% reduced risk exposure — with active early-warning systems.
💡 Fast ROI — time-to-value that truly matters.

As CEO, my mission is to rethink procurement — not as a cost center, but as a strategic lever for growth, resilience, and lasting value.

taplio

The Battle

Felix Reiners

Onur K.

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