
Catalyst for Startups & Scale-Ups
What’s your biggest challenge on the road to success?
Ask us anything — our experts are here to help you move forward.
Decades of experience. Trusted by innovators.
Nice to meet you
About Katalis Alliance
- Strategy
- Marketing
- Sales
- Expansion
- Management
- Investment
Katalis Alliance is a consortium of experts helping startups and scale-ups navigate the pivotal moments that shape their success.
With decades of combined experience across business development, marketing, go-to-market strategy, sales, and international expansion, we work alongside ambitious teams to solve real challenges, unlock new opportunities, and scale with purpose.
We don’t consult, we co-create, execute, and deliver. We walk the path to success with you, every step of the way.
Our Team
Meet the Experts

Korhan Erçin
Founding Member
25+ years in sales and leadership. Ex-CSO of Yemeksepeti (exit with 589M USD), Ex-CSO of AloTech, Ex-Sales Manager of VeriPark. He has experience for international expansion with Yemeksepeti, CCS and VeriPark for +50 countries.

Yuce Zerey
Member
25+ years in marketing and growth leadership with 165+ international awards. Ex-CMO of Hepsiburada, Ex-Global Marketing Director at Unilever (38 countries), Ex-Dijital Marketing Manager at The Coca-Cola Company (92 countries), Ex-Brand / eCommerce Manager at Turkish Airlines leading global brand transformation.

Ceyhun Doğrayan
Founding Member
10+ years in B2B Marketing, founder of MWJ Marketing Accelerator. Helps tech companies drive digital visibility & lead generation through content, SEO, and strategic marketing programs.

Umut C. Turhan
Founding Member
Founder of scaleWW. Over 8 years of experience driving SaaS and CCaaS international expansion across 60+ countries. Specializes in sales operations, go-to-market execution, and market entry strategy.

İrem Altıparmak
Founding Member
Full-stack B2B marketer with a passion for sustainability and storytelling. Delivers high-impact campaigns with real results and manages projects with precision.