Michal Golkiewicz
About
Michal Golkiewicz is from Warszawa, Woj. Mazowieckie, Polska. In Michal's previous role as a Co-founder / Growth & Performance Marketing at Sundose, Michal worked in Warszawa, Woj. Mazowieckie, Polska until Apr 2025. Prior to joining Sundose, Michal was a Co-founder / Growth & Performance Marketing at Nutricus and held the position of Co-founder / Growth & Performance Marketing at Warszawa, woj. mazowieckie, Polska.
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Michal Golkiewicz's past jobs
Sundose is the first truly personalized supplement — a daily mix of vitamins, minerals, and probiotics tailored to your lifestyle, goals, and diagnostic data. As a co-founder, I was responsible for driving growth across the company — with a strong focus on performance marketing as the engine of user acquisition and retention. Key responsibilities: - Led performance marketing strategy across Meta, Google, programmatic, and influencer channels — optimizing CAC, LTV, and ROAS in a subscription DTC model. - Designed and executed data-driven campaigns targeting multiple customer personas across Poland and international markets. - Collaborated closely with creative, product and analytics teams to build and optimize full-funnel customer journeys. - Shaped overall growth strategy, including channel mix, marketing ops and attribution. - Managed investor relations and fundraising communication (incl. Series A). - Oversaw financial planning and capital allocation to key growth initiatives.
Nutricus is a biotech-driven company operating at the intersection of biotechnology, medicine, and IT — focused on optimizing human performance through hair-based diagnostics. We work with professional athletes and individuals seeking precise insights into their health and nutrition. I was responsible for leading go-to-market strategy with a strong focus on performance marketing and digital growth. Key responsibilities: - Designed and executed multi-channel performance marketing campaigns (Meta, Google, programmatic), resulting in a steady stream of qualified leads and new customers. - Set up analytics infrastructure to track CAC, ROAS, and customer lifetime value — enabling data-informed scaling. - Defined company’s growth priorities and allocated budgets to the highest-performing channels. - Introduced Lean Management principles to optimize operations and iterate faster. - Helped shape product-market fit through customer feedback loops and testing. - Built and led the senior team, developed company culture and long-term strategy.