Kasia Stachowiak | Social Media Specialist | Szkolenia Reels ✓

Kasia Stachowiak | Social Media Specialist | Szkolenia Reels (@blackkatherine_) is a marketing creator on Instagram based in Poland with 49,435 followers. Full stats, audience data and collaboration pricing are below.

As of July 2026, @blackkatherine_ has 49,435 followers (49K) on Instagram, follows 553 accounts, and has published 1,189 posts. Zaver refreshes these numbers on a rolling basis.

Many creators publish a business email or contact button in their public bio. Zaver Radar surfaces those public contact details — email, phone and WhatsApp — where a creator has shared them, across millions of Instagram creators, so you can reach out from your own inbox.

@blackkatherine_ sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing.

Zaver does not hold or record any creator's net worth, and there's no publicly confirmed figure for @blackkatherine_. Based only on 49,435 public followers in marketing, a creator at this scale could earn an estimated $400–$990 per sponsored post — an automated estimate of earning potential, not a confirmed figure, and it may be inaccurate. Actual income depends on posting cadence, deal volume and other sources.

@blackkatherine_'s date of birth isn't publicly confirmed on their Instagram profile, so Zaver doesn't publish an age. What's public: Kasia Stachowiak | Social Media Specialist | Szkolenia Reels is a marketing creator based in Poland with 49,435 followers.

Zaver's AI authenticity check scores @blackkatherine_ 96/100, based on multiple signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience.

@blackkatherine_'s 49K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @blackkatherine_'s report on Zaver.

Zaver lists comparable marketing creators in Poland in the "Influencers like @blackkatherine_" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 11,893 vetted marketing creators with plain-English queries.