Denis Pankov
Founder of acceleroi since March 2023. 10+ years in growth and product across SaaS, eCommerce and banking.
about
Denis founded acceleroi in March 2023 as a growth agency for 7- and 8-figure brands: conversion optimization, retention email, LTV modelling, and SEO/AEO.
Before acceleroi, he spent years in product and delivery roles across SaaS, eCommerce and banking, from SAFe product management to a 30+ person digital transformation program at a bank. Through acceleroi he led CRO at Mully Group and went on to become its Chief Growth Officer.
He writes about CRO, behavioral economics, testing strategy, and the practical mechanics of running a growth program inside a fast-moving brand.
selected results
Mully Group
CRO lead from October 2024, then Chief Growth Officer from February 2025 to March 2026. One of acceleroi's first clients.
- Paid acquisition from about 0.75 to about 4 ROAS, while spend scaled.
- Customer LTV up about 50%.
- Core funnel conversion from 0.7% to 1.5–2.5%.
- +80% conversion on the main landing or product page.
MoneyGeek
- 100+ A/B tests in 12 months, +54.9% conversion.
Traktrain
- +16.9% ARR and +25% paid subscribers in 3 months.
what I do
- CRO & Testing: running structured A/B testing programs (ICE/PIE prioritization, full-funnel research, behavioral hypotheses).
- Retention & LTV: Klaviyo flows and campaigns, cohort analysis, MER modelling, cancellation tests.
- Data & Tracking: server-side GA4, BigQuery pipelines, conversion attribution.
- SEO & AEO: search + AI-engine optimization for transactional intent.
recent articles
- Intelligems Alternatives 2026: 4 Options Compared for Shopify Stores
- A/B Testing Apps for Shopify Compared (2026): Pricing, Features, Who Does the Work
- VWO Alternatives for Shopify: 4 Options Compared (2026)
- Higher Education Website Conversion Rates: 2026 Benchmarks
- Klaviyo + GA4 Attribution Setup for Shopify (2026 Guide)
- Recharge vs Skio vs Smartrr: Shopify Subscription App Comparison
- The 12-App Shopify CRO Stack for $5M+ DTC Brands
- Shopify Checkout Extensibility for CRO: What You Can Test in 2026
- Hydrogen CRO Guide: A/B Testing on Headless Shopify
- Shopify Markets CRO Checklist: 24 International CVR Levers
- Shopify Plus Launchpad for A/B Testing: Complete Guide + Comparison
- Triple Whale vs Northbeam: Which Attribution Stack for DTC?
work with me
If you run a $2M+ DTC or SaaS brand and want me to look at your funnel, two options:
- Free CRO audit: no signup, every leak on the page sized and ranked, in about five minutes.
- apply for the beta: a fixed price for one real test, built and verified by acceleroi.