
MERCADO Magazine Redesign
A refreshed editorial website direction for a Dominican business publication.
CRO & UX Growth Specialist · Santo Domingo
I help organizations improve digital products and customer journeys through UX research, behavioral data, experimentation, and conversion optimization.

Selected work
Projects that explore complex problems through research, product thinking, and purposeful design.

An AI-assisted wellbeing concept designed around reflection, healthier routines, and unwanted loneliness.

A civic-learning platform that makes participation easier to understand and access.

A playful web and illustration direction for a dead-end moment.

A refreshed editorial website direction for a Dominican business publication.

Exploring a clearer orientation journey across a complex healthcare campus.
How I work
A practical loop that aligns customer evidence with business outcomes.
Use research, analytics, behavioral patterns, and customer evidence to identify the right problems.
Business valueReduce uncertainty before investing in solutions.
Typical deliverablesJourney evidence · Friction map · Opportunity areas
Translate evidence into hypotheses, prototypes, optimization opportunities, and measurable tests.
Business valueLearn what changes behavior with controlled risk.
Typical deliverablesHypotheses · Prototypes · Test plans
Connect user value, business objectives, and cross-functional execution into sustainable improvements.
Business valueTurn isolated wins into a repeatable growth practice.
Typical deliverablesRoadmaps · Measurement · Operating rhythms
Consulting services
Find and prioritize the friction limiting a digital journey.
Best suited for: Teams with traffic but unclear conversion barriers.
Explore scope →Clarify the message, reduce objections, and strengthen the path to action.
Best suited for: Paid acquisition, launches, and high-intent landing pages.
Explore scope →Turn evidence into a repeatable testing system.
Best suited for: Teams beginning or maturing an experimentation program.
Explore scope →Understand what customers need, where they struggle, and why.
Best suited for: Teams making product or journey decisions with limited user evidence.
Explore scope →Make conversion performance visible and trustworthy.
Best suited for: Teams unsure whether their funnels and events answer business questions.
Explore scope →Sustained prioritization, analysis, and experimentation support.
Best suited for: Teams that need senior CRO guidance without a full-time hire.
Explore scope →Experience
Banco Popular Dominicano
Leading conversion optimization and UX growth work across digital journeys.
Banco Popular Dominicano
Applied user-centered design within complex digital product environments.
Cruces University Hospital, Spain
Explored service-design opportunities in patient wayfinding and orientation.
Publicis Dominicana
Created digital brand experiences and campaigns across multidisciplinary teams.
Adventures Digital Agency
Designed digital experiences and visual systems for regional clients.
About Johan
I started in visual design and advertising, learning how ideas earn attention. That path led me toward UX, experimentation, and conversion optimization—where attention is only the beginning.
Today I combine creative thinking, user understanding, analytics, business strategy, and cross-functional collaboration to help teams make better product decisions.
More about my approach →Resources
Browse 195 CRO definitions and applied examples, or download the complete Spanish PDF.
Explore glossary →Compare control and variation results to evaluate statistical significance, uplift, and uncertainty.
Use calculator →Estimate the sample size and recommended planning window for a conversion experiment.
Use calculator →Start a conversation
Tell me where the experience is underperforming and what you need to learn or improve.
Discuss your project →