Guillermo Ermel

Product Manager & Senior UX researcher @ Proper Technologies Inc.
Former UX research lead, 20+ years experience
Poland 5.0 (1 review) Active yesterday Usually responds in a few days


$60 / month

I specialize in young professionals committed to their personal and professional growth.

Regular calls, per agreement

Unlimited Q&A via chat

Expect responses in 24 hours or less

` Tasks & exercises

Flat fee, no hidden costs

7 day free trial! Cancel anytime.

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Are you ready to challenge your assumptions, to engage in an honest conversation about your professional fears and desires? Together, we'll come up with a step by step action plan to develop the resources that will take you to achieve what truly matters to you.

Be it your next interview, a career change or a difficult UX or product design project you want to tackle, I'll be by your side to help you grow.

I have a solid track record of coaching a almost a hundred professionals. I taught courses and workshops at top institutes and universities in South America and and The Netherlands.

I've led UX research projects in e-commerce, fintech, travel, agrotech and other industries Argentina, the Netherlands and United States for well over a decade, specializing in IT products at fast-paced companies like Mercado Libre (e-commerce marketplace, 300+ MM users) and Despegar (travel, 17MM users).

What mentees say



5 out of 5 stars

I love the work that Guillermo does as a mentor, from the beginning I could see that he cares about helping me discover my true worth and is helping me to develop it further, and all this based on a real appreciation of the situation and your talents.




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