Bertis “Gene” Davis
EXPERIMENTATION & CONVERSION LEAD · UX
Senior experimentation and conversion optimization leader with 20+ years bridging UX, data, and engineering. Designing disciplined programs that turn hypotheses into measurable growth. Open to roles where experimentation, AI systems, and performance rigor overlap — in-house or consulting.
Selected Work
5 of 8 01 CRO · RPV · A/B · Multivariate 10,000+ tests 2010–19
Conversion Experimentation
CASE
01
Conversion Experimentation
CASE
CRO · RPV · A/B · Multivariate 10,000+ tests 2010–19
02 AI · Automation 82% faster 2024–25
AI Production Systems
CASE
02
AI Production Systems
CASE
AI · Automation 82% faster 2024–25
03 Personas 3 testing tracks 2017
UX Research
CASE
03
UX Research
CASE
Personas 3 testing tracks 2017
04 Systems · Tracking · Testing 3 systems · 20+ mailer accounts 2020–2025
Email Performance Infrastructure
CASE
04
Email Performance Infrastructure
CASE
Systems · Tracking · Testing 3 systems · 20+ mailer accounts 2020–2025
05 Homepage · Design — 2022
Credit Awesome
CREATIVE
05
Credit Awesome
CREATIVE
Homepage · Design — 2022
Core Skills
CRO · RPV Experimentation Strategy A/B & MVT Funnel Optimization Form UX UX Research UX Writing · Microcopy Cross-functional Leadership AI Systems Design Prompt Engineering Claude Code Claude Design HTML · CSS · JS React Figma · XD Design Systems Data Viz · Tableau
Experience
Performance Strategy Consultant · Rooftop Digital
2025 Senior Manager, Design & Development · Rooftop Digital
2020–2025 Senior UX Designer, Experimentation & Conversion · Core Digital Media
2010–2019 Interactive Designer & Developer · JWT Inside
2007–2010