Thoughts About Digital Experience, User Behavior Analytics

Roman Mohren (CEO)

CEO

Roman Mohren is the CEO of FullSession, a privacy-first UX analytics platform that combines session replay, interactive heatmaps, conversion funnels, error insights, in-app feedback, and Lift AI a workflow that helps teams identify high-impact friction and validate whether fixes actually moved the metric. Roman leads Product, Sales, and Customer Success, owning the customer journey from first touch through long-term outcomes.

Roman has spent 25+ years building and scaling B2B SaaS companies across venture-backed startups, PE-backed businesses, and public software environments from early “first dollar” execution through growth and scale. He writes from hands-on operator experience about turning behavioral signals into measurable business impact, without compromising privacy or governance.

Topics Roman writes about: session replay investigations, funnel drop-off diagnosis, activation and conversion measurement, privacy-first analytics, Lift validation (predict → prove), and building repeatable go-to-market systems.

Selected experience and outcomes:

  • Grew Userpilot to $2M ARR (9×) in 18 months as 7th employee and Head of Sales
  • Built 5280 Solutions to $5.1M ARR as Head of Sales, acquired by Bottomline Technologies
  • Drove 50%+ of company revenue (>$10M ARR) through channel partners at ESS, acquired by IHS
  • Top 10% of enterprise sales at 3E Company for three consecutive years
  • Founded TradingWhale.io, proprietary trading algorithm development, backtesting infrastructure, and automated trade execution via IBKR.

Outside of SaaS, Roman has also built systems for trading strategy research and backtesting and writes occasionally about methodology and automation at TradingWhale.io.

Connect: LinkedIn · roman@fullsession.io · fullsession.io · fullsession.io/about/

Author: Roman Mohren (CEO)

  • Error-State Heatmaps: Spot UI Breaks Before Users Churn

    Skip to content Start Free Trial MoFu • Troubleshooting Error-State Heatmaps: Find Breaking Points Before Users Bounce By Roman Mohren, FullSession CEO • Last updated: Nov 2025 Pillar: Heatmaps for Conversion — From Insight to A/B Wins BLUF: Teams that pair error-state heatmaps with session replay surface breakpoints earlier, shorten time-to-diagnosis, and protect funnel completion…

  • Heatmaps for Checkout Optimization (SaaS vs. Ecommerce Walkthroughs)

    Skip to content Start Free Trial Walkthroughs Heatmaps for Checkout Optimization: SaaS vs Ecommerce Walkthroughs By Roman Mohren, CEO @ FullSession • Last updated: Nov 2025 Part of our pillar: Heatmaps for Conversion: From Insight to A/B Wins TL;DR: Teams that pair interactive heatmaps with funnel drop-off context identify checkout friction faster and protect completion…

  • Heatmaps + A/B Testing: Prioritize Hypotheses that Win

    Skip to content Start Free Trial A/B Prioritization Heatmaps + A/B Testing: How to Prioritize the Hypotheses That Win By Roman Mohren, FullSession CEO • Last updated: Nov 2025 ← Pillar: Heatmaps for Conversion — From Insight to A/B Wins TL;DR: Teams that pair device‑segmented heatmaps with A/B test results identify false negatives, rescue high‑potential…

  • Web Analytics Tools Comparison: 8 Best Options in 2026

    Web Analytics Tools Comparison: 8 Best Options in 2026

    Web analytics tools collect, measure, and interpret website data, from traffic sources and key metrics to actual user sessions, user actions, and conversion funnels. Most tools show you what happened. The best ones show you why with actionable insights. That difference is what moves the needle on user engagement, digital performance, and conversion rate. This…

  • Hotjar vs Microsoft Clarity: Which Tool Is Best for Your Team?

    Hotjar vs Microsoft Clarity: Which Tool Is Best for Your Team?

    You’re at a crossroads. Your team needs to understand how visitors behave: where they drop off, what frustrates them, and why they abandon carts. But you’re unsure whether Hotjar or Microsoft Clarity is the right fit.  This decision between Hotjar vs Microsoft Clarity shapes your entire approach to user behavior analytics. Both tools promise insights,…

  • 7 Best UX Heatmap Tools in 2026 (Tested and Compared)

    7 Best UX Heatmap Tools in 2026 (Tested and Compared)

    Struggling to understand why visitors leave pages without converting? UX heatmap tools give you a concrete answer fast. They turn raw click and scroll activity into color-coded visual maps overlaid on your actual pages, so you can see exactly what’s working and what’s quietly costing you revenue. The problem is that most tools in this…

  • Best Lucky Orange Alternatives in 2026: 5 Tools Worth Considering

    Best Lucky Orange Alternatives in 2026: 5 Tools Worth Considering

    Lucky Orange is a well-known behavior analytics tool, but it is not the best fit for every team. Businesses often start looking for a Lucky Orange alternative when they need deeper session analysis, a better pricing fit, easier reporting workflows, or tools that align more closely with product, UX, or CRO use cases. Short answer:…

  • 10 Best FullStory Competitors and Alternatives in 2026

    10 Best FullStory Competitors and Alternatives in 2026

    FullStory competitors are digital experience analytics tools that replace or supplement FullStory’s session replay, behavioral analytics, and user journey capabilities. Most teams start looking for a switch for one of three reasons: pricing that requires a sales conversation before you can get started, session replay that requires you to manually tag events for full value,…

  • 10 Best Real User Monitoring Tools in 2026 

    10 Best Real User Monitoring Tools in 2026 

    Your Lighthouse score looks great. Your synthetic tests pass. And yet, users are still complaining. That gap is exactly what the best real user monitoring tools are built to close. Unlike synthetic monitoring, which simulates user interactions in controlled environments, RUM captures what happens when real users hit your site on their actual devices, across…

  • 10 Best Heap Alternatives and Competitors in 2026

    10 Best Heap Alternatives and Competitors in 2026

    Heap built its reputation on a simple promise: install a snippet, capture everything, and define events later. For a long time, that was enough. Then in 2023, Contentsquare acquired Heap and began folding it into its enterprise platform. For teams that relied on Heap as an independent, mid-market product analytics platform, the acquisition raised questions…