Sirko Polster

enyway.com is the leading p2p energy sharing platform in Germany - Leading the product team (UX, design, software development, business models). Responsible for #contracts and marginal incomes. Strong focus on growing customer base through customer experience. Achieved significant increase in #contracts and conversion rates across all product categories.

bSquary an e-commerce company designing, producing and selling lifestyle and interior products - Responsible for the companies e-commerce operations as well as product development, marketing, sales, and business development. Achieved successful market entry and profitability after 18 months.

Karazy a mobile app and e-commerce solution provider to the hotel industry. As Chief Product Officer I was responsible for the product strategy, app development, marketing and sales. Leading the company from business planning to prototyping to market entry to market exit.

Bayer MaterialScience (now Covestro) a world-leading polymers company - Responsible for controlling a global strategic business unit (9 entities). Leading controlling functions across EMEA, APAC and NAFTA. Focusing on P&L, cost, sales, working capital, projects and M&A activities.

Bayer MaterialScience (now Covestro) a world-leading polymers company - Managing strategic projects reshaping business models (forward integration, centralizing service functions and strategic venturing). Being a consultant for business process management in new business ventures.

Bayer MaterialScience Ltd. Hong Kong the APAC service center marketing and sales activities - Leading business process re-engineering projects focusing on increasing efficiency. Implementing regional change program (Kaizen). Managing SAP rollouts and software development projects.