Sophie Steffen Expert

Sophie Steffen

Sophie Steffen is the co-founder and CEO of Kunoichi, a growth performance marketing agency based in Barcelona. With over 12 years of experience in social media, community management, and performance marketing, she helps brands scale through LinkedIn-driven growth, paid acquisition, and automated outbound. She is also a martial arts instructor and runs a dojo in Barcelona.

Expert Insights Email Marketing

Email List Hygiene and the Gray List Dilemma

The standard advice on email list cleaning is to purge aggressively. Florin Armasu, with 15 years and enterprise clients behind him, argues that discarding 80% of your database is not best practice -- it is waste.

Expert Insights Email Marketing

Email Metrics Beyond Open Rates

Open rates are now fiction. Florin Armasu makes the case for active database growth rate as the single most important metric in email marketing, and explains why almost nobody tracks it.