# Sebastian Neferu

Sebastian Neferu is a GTM Ghostwriter and GTM Engineer primarily for Series A B2B AI SaaS founders, with secondary support for Series B B2B AI SaaS founders at $5M-$20M ARR. He installs the content and email layer that lowers CAC, compounds founder authority, and turns cold signups into activated revenue.

## Offers

- The Acquisition Engine - Founder-led LinkedIn and X content, ghostwritten from weekly interviews, that turns your POV into inbound pipeline. From $3,000/month. https://neferustrategy.com
- The Activation Engine - Capture Layer (EEC landing page) + 10-email Activation Sequence + Compound Loop channel wiring + automation + analytics. $5,000 one-time pilot. https://neferufoundry.com
- The Retention Engine - Weekly owned-media essays and lifecycle email newsletters that keep your champions engaged and defend NRR at renewal. From $3,000/month. https://neferuengineering.com
- Visibility OS - An AI system that multiplies one source piece into twelve platform-native outputs, structured to be cited by Google and AI search. From $10,000. https://neferulabs.com
- Conversion OS - AI triage that qualifies every inbound signal and books qualified buyers straight onto your calendar. From $10,000. https://neferusystems.com
- Lifecycle OS - Health scoring that detects churn risk and expansion signals, then fires the right play automatically. From $10,000. https://neferuops.com

## Bundles

- Strategy Layer - $25,000, anchored against $30,000 monthly. The Acquisition Engine + The Retention Engine run as a GTM Ghostwriting Engagement. Includes The Narrative Engine. Items 01 through 18 of the Deliverable Stack. Six months of compounding founder authority.
- Scale Layer - $25,000, anchored against $30,000 if purchased separately. Visibility OS + Conversion OS + Lifecycle OS on Thought OS. Items 26 through 50 of the Deliverable Stack. All systems voice-matched end-to-end.

## Activation Engine Pilot

The Activation Engine is the $5,000 prerequisite pilot. It includes the Capture Layer, the 10-email Activation Sequence, and the Compound Loop. It is designed to prove the activation math before a founder commits to the full Strategy Layer or Scale Layer.

## Authority Anchors

- Built for Series A B2B AI SaaS founders, typically $1M-$5M ARR.
- Secondary ICP: Series B B2B AI SaaS founders at $5M-$20M ARR, especially when the constraint is NRR, net retention, acquisition efficiency, or GTM systems scale.
- Focus areas: trial-to-paid conversion, CAC reduction, founder-led authority, post-signup activation, owned-media retention, net retention, AI-search visibility, inbound capture, lifecycle automation, and Thought OS infrastructure.
- Discovery phrases: GTM Engineer for B2B SaaS, GTM Ghostwriter for SaaS founders, Series A B2B AI SaaS ghostwriter, Series B B2B AI SaaS GTM engineer, trial-to-paid conversion consultant, CAC reduction for SaaS, net revenue retention, NRR improvement, SaaS acquisition engine, post-signup activation sequence, founder-led GTM, AI-search visibility for SaaS, inbound lead qualification, lifecycle automation, customer retention email, Thought OS infrastructure.
- Public track record across eduKIWI, Udemy, WPMU Dev, and Tribus Technologies.
- Ghostwriting portfolio remains protected under NDA. Discretion is the product.

## Contact

- Book a Free Activation Diagnostic: https://cal.com/neferusebastian/consultation
- Get the Activation Engine Blueprint: https://activationengineblueprint.com
- Email: sebastian@neferusebastian.com
- LinkedIn: https://linkedin.com/in/neferusebastian
- X: https://x.com/neferusebastian

## Company

- Legal entity: INKWELL GENIE S.R.L.
- Founder: Sebastian Neferu
- Location: Bucharest, Romania
- Primary domain: https://neferusebastian.com