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Christian Charcoal

Research Analyst at UBS Group AG

No publicly available evidence or LinkedIn record exists for an analyst named Christian Charcoal at UBS Group AG. As a result, there are no verified details regarding his job title, company coverage, performance metrics, career history, or professional credentials. Extensive review of corporate directories, analyst platforms, and executive leadership materials shows no mention of this individual at UBS or in the broader financial analyst community.

Christian Charcoal's questions to Duolingo (DUOL) leadership

Christian Charcoal's questions to Duolingo (DUOL) leadership • Q1 2025

Question

Christian Charcoal from UBS inquired about retention trends for the Duolingo Max tier and the strategy behind adding 148 new language courses.

Answer

CFO Matt Skaruppa reported that Max now constitutes about 7% of subscribers and its retention is progressing as expected. CEO Luis von Ahn clarified that the 148 new courses, created in about a year using AI, are not new languages but rather existing languages taught from new base languages (e.g., Korean for Portuguese speakers). He noted the focus is now on deepening content rather than adding many more languages.

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