A Team Built For Growth.
GrowthCRO was founded by Russ Painter, a leader in conversion optimization, personalization, and data-driven experimentation. With over a decade leading optimization programs at Ancestry, Lendio, Assurance IQ, and Life360, Russ brings a practitioner’s mindset and an operator’s discipline to every engagement.
Our Philosophy
Good Decisions Start With Good Data
We believe that growth doesn’t come from guesswork, it comes from structured experimentation built on a foundation of accurate, trustworthy data. Our team blends analytics, design, and technical expertise to help brands measure better, test smarter, and perform faster.
Our Process
Collaboration With Purpose.
Our process is collaborative, transparent, and measurable —
ensuring you know not just what’s working, but why.
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Discover
We start by understanding your goals, customers, and data landscape. Audit, data collection, and stakeholder alignment.
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Diagnose
We uncover friction points, gaps, and high-impact opportunities. Journey analysis, conversion diagnostics, and performance mapping.
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Design & Test
We translate insights into structured experiments and creative solutions. Hypothesis, A/B testing, personalization, and UX iteration.
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Scale & Enable
We help you operationalize testing and measurement across teams. Program governance, dashboards, and training to sustain growth.
Our Teams
Analytics
The foundation builders.
Our analysts architect the data infrastructure that powers all insights, experiments, and personalization programs. They ensure every event, tag, and data stream is accurate and actionable — giving you confidence in every decision.
Experimentation
The performance engine.
This team transforms insights into action through structured testing and optimization. They develop hypotheses, run A/B and multivariate experiments, and deliver validated learnings that improve conversion and ROI.
Personalization & Experience Design
The storytellers of performance.
Designers and UX strategists collaborate with developers and analysts to create data-informed experiences that feel effortless and personal. They merge creativity with analytics to enhance engagement, retention, and revenue.
Implementation & Development
The technical backbone.
Our developers and implementation specialists handle the tools, platforms, and integrations that keep everything running. From analytics setup to tag management and server-side deployment, they ensure performance, privacy, and scalability.
Strategy & Enablement
The long-term partners.
Focused on building internal capability, this team helps your organization operationalize CRO through training, frameworks, and executive alignment. They connect your KPIs to business outcomes and help your teams sustain success.
How We Work Together
Our teams are designed to flex — scaling up or embedding deeper depending on your needs. Whether you need a technical audit, an experimentation partner, or a full-scale optimization program, we assemble the right experts to move your goals forward without the bloat of a traditional agency.
Our Founder
Russ Painter
Founder & Principal Consultant
“Passionate about Conversion Rate Optimization, Personalization, and collecting the data that makes both possible.”
Russ has spent over a decade building optimization programs for some of the world’s most data-driven brands. From leading testing and personalization at Ancestry to optimizing digital funnels at Lendio, Assurance IQ, and Life360, his experience spans the full spectrum of CRO strategy and implementation.
Get In Touch
With Us
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