Colleagues & collaborators
Testimonials
How people describe the work: precision, structure, and a bias for solutions that survive contact with the real operation.
When Yerlin led statistics at the school, the reports finally answered the questions we actually asked in the Monday meeting. He would not publish a chart he could not defend.
María Elena Vargas
Academic coordinator, secondary education
In the warehouse and later in costs, he treated numbers as a system: reception, rotation, invoices, the budget. If a figure did not reconcile, he stayed until it did.
Carlos Méndez
Operations, real estate
He taught adults as if the software had to survive the class. No theatre, no leftover slides. People left able to open the tool on Monday.
Ana Lucía Herrera
Training coordinator, technical education
At the identity desk the work is patience and precision. Yerlin kept the line moving without treating people as a ticket number. That is rarer than a new system.
José Ramón Castillo
Public service office
He builds the site the way the operation actually runs. WhatsApp is a channel, not a widget. Copy sounds like the desk, not like a brochure translated from English.
Sofía Brenes
Hospitality operator, Costa Rica
A civic portal that does not pretend to be the back office. He grouped services the way neighbours ask, and he wrote on the page what the page cannot legally decide.
Luis Fernando Aguilar
Municipal procedures, Rivas
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If the operation is stuck, write.
If you are building a product, modernizing an operation or exploring a digital idea, I would like to hear about it.