Lena Krzemieniewska

Problematic media buying specialist. Performance-lover. Teamleader. World-improver.

Recent activity

Time clocking system in e-commerce - which software (and hardware?) do you use?

Hiring: Growthhacker / Marketing Expert for DigitalFirst.AI

🚀 Launching ultimate MarTech tool / Special Presale Offer

I'm paying $101 for writing down 3 marketing tactics - only 8 spots and 7 days left!

Do you really need CTO Co-Founder?

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