Jacek is a strategic business creator with over 30 years of experience, currently serving as the CEO and Head of Strategy at Grandesi. A University of Warsaw graduate and 12-time EFFIE winner, he is known for leading brands to market leadership, most notably taking Play from #4 to #1 in Polands mobile market.
Outside of his professional life, Jacek is a fanatic of fast-paced cycling. This physical intensity is matched by a deep intellectual curiosity, reflected in his interest in topics ranging from the evolution of digital advertising and AI to the cultural analysis of music and history.
Unique fact: Jacek was so involved with his clients brand that he personally appeared in a nationally televised commercial for the mobile network, Play.
Read the full overview →Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.
Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.
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