Christian G.-AI Product Leader & Hands-on Builder From 0→1 product to business scale
Check rate
Experience
Founder
Halvday
AI Sales Teammate
- Took Halvday from concept to live product in five months, securing three design partners and two paid engagements, including PlanRadar.
- Built and shipped the product end-to-end as a solo founder, spanning product strategy, frontend, backend, agent orchestration, infrastructure, design, compliance and go-to-market.
Founder & CEO
Double Supreme Games
Gaming technology venture
- Founded and led a B2C gaming company focused on multiplayer experiences
- Developed AI-powered features for competitive gaming engagement
- Self-funded to profitability, demonstrating capital-efficient scaling
Founder
ZODD
AI products, venture building & investments
- Built: Created and launched zero-to-one products and startup initiatives including Niky AI and Repflow; contributed to HANDYPARKEN, which became one of Austria’s most widely used mobile apps.
- Transformed: Led selected product and AI mandates, including a three-month embedded engagement at Taleroo spanning product strategy, pricing, enterprise rollout and go-to-market.
- Invested: Investor and advisor to companies including PlanRadar, Usercentrics and ShowHeroes.
Chief Product Officer & Co-Founder
Bayes Esports Solutions
Data & AI platform (B2C + B2B)
- Scaled from 4 founders to €20M ARR and 120+ employees globally
- Built consumer AI gaming assistants with 15M+ downloads and a B2B data platform for betting operators
- Raised €12M from March Capital, Raine Ventures, Bitkraft
- Led product strategy across consumer engagement and enterprise data products
- Exit through strategic acquisition, enabling international expansion
Co-Founder & Partner
Alchemy
Corporate venture builder (AXA, Deutsche Bank)
- Launched 5+ startups with enterprise partners in fintech and insurtech
- Led product vision and mentored founding teams through the 0-to-1 phase
- Developed venture methodology for corporate innovation programs
- Responsible for product strategy and market validation across the portfolio
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Sport, Banking and Finance, and Insurance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Sales, Investments and M&A, Marketing, Information Technology, and Strategy.
Summary
15+ years taking digital products and businesses from early customer problems to market and scale. Combines CEO/CPO-level product and commercial leadership with hands-on work across customer discovery, UX, system design and AI-enabled development. Currently building Halvday end to end. Previously scaled Bayes to €20M ARR and 120+ employees and built consumer products used by more than 15 million people. Track record includes building multidisciplinary teams, raising €12M+ across ventures and completing two exits.
Skills
Product & Ai
- 0→1 Product Strategy
- Agentic Ai Systems
- Behavioral Design
- Ai-Native Ux
- Product Analytics
- Marketplace Dynamics
Engineering
- Full-Stack Product Development
- Typescript
- Next.Js
- React
- Convex
- Vercel
- Loop Engineering
Ai-Native Delivery
- Claude Code
- Codex
- Cursor
- Multi-Model Workflows And Agent Orchestration
Founder Execution
- End-To-End Delivery Across Product, Engineering, Design, Infrastructure, Compliance, Brand And Go-To-Market
Leadership
- P&L Management (€20m+)
- Team Scaling (0→120)
- Fundraising (€24m+)
- M&A
- International Operations
Languages
Statistics
Experience
Global experience
Expertise
Frequently asked questions
Have questions? Find more information here.
Christian is based in Berlin, Germany.
Christian speaks the following languages: German (Native), English (Advanced).
Christian has at least 15 years of experience. During this time, Christian has worked in at least 4 different roles and for 5 different companies. The average length of individual experience is 3 years and 11 months. Note that Christian may not have shared all experience and actually has more experience.
Based on recent experience, Christian would be well-suited for roles such as: Founder, Founder & CEO, Chief Product Officer & Co-Founder.
Christian's most recent position is Founder at Halvday.
In recent years, Christian has worked for Halvday, Double Supreme Games, and ZODD.
Christian is most experienced in industries like Information Technology, Sport, and Banking and Finance. Christian also has some experience in Insurance.
Christian is most experienced in business areas like Product Development, Sales, and Investments and M&A. Christian also has some experience in Marketing, Information Technology, and Strategy.
Christian has recently worked in industries like Information Technology.
Christian has recently worked in business areas like Product Development, Sales, and Investments and M&A.
Christian will be available full-time from October 2026.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 24 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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