Dan Diaczun
Chicago,IL
Summary
Results-driven optimization professional with deep experience in A/B testing, conversion optimization, and stakeholder alignment. Led web and in-product testing programs and known for cross-functional collaboration that increased testing velocity
Overview
1
1
Certification
12
12
years of professional experience
Work History
CRO Program Lead
TransUnion
Chicago, IL
01.2025 - Current
- Lead CRO practice, driving cross-channel web and in-product experimentation, analysis and user insights
- Collaborated with internal stakeholders and external partners to increase testing velocity by 25% through UX and optimization strategies, test prioritization frameworks, and A/B testing roadmaps.
- Spearheaded development of AI-driven library for testing insights, enhancing data analysis and facilitating bi-weekly CRO knowledge sharing.
- Coordinated project plans, timelines, and dependencies among product and technology partners to ensure alignment and timely execution.
Digital Optimization Specialist
TransUnion
Chicago, IL
12.2019 - 12.2024
- Developed and executed comprehensive test plans, defining hypotheses and success metrics to inform decision-making
- Identified optimization opportunities, enhancing campaign performance through targeted strategies
- Enhanced user experience by translating data into actionable insights and delivering concise test summaries for executive leadership
UI & UX Developer
Performics
Chicago, IL
02.2015 - 11.2019
- Worked with clients including Southwest Airlines, United Healthcare, and Verizon Wireless to deliver tailored UI/UX solutions
- Designed and implemented data-driven solutions that improved conversion rates and optimized page performance
- Collaborated with internal stakeholders, account managers, and analysts to ensure project goals met business objectives, timelines, and budgets
Education
Bachelor of Arts - Digital Media
University of Cincinnati
Cincinnati, OH12-2008
Associate of Arts - Digital Media
Ludwig Maximilians University
Munich, Germany09-2007
Certificate - Professional Writing
University of Cincinnati
Cincinnati, OHSkills
- A/B testing
- Experiment design
- Conversion optimization
- Optimization roadmaps
- CRO analytics
- User insights
- Cross-functional collaboration
- Test prioritization
- User research
- UX analysis
- Google Analytics
- Optimizely
- Adobe Target
- Project management
- Stakeholder alignment
- JavaScript
- HTML/CSS
- Version control/Git
- Adobe Creative Suite
- Figma
Certification
- Adobe Target Business Practioner
Timeline
CRO Program Lead
TransUnion
01.2025 - Current
Digital Optimization Specialist
TransUnion
12.2019 - 12.2024
UI & UX Developer
Performics
02.2015 - 11.2019
Bachelor of Arts - Digital Media
University of Cincinnati
Associate of Arts - Digital Media
Ludwig Maximilians University
Certificate - Professional Writing
University of Cincinnati