Harvard University
Andy KonwinskiCo-founder · PerplexityFounder↗Both at Perplexity
Engineer · Founder · Executive
Johnny Ho
PerplexityCo-founder and CSO
Ho is a co-founder of Perplexity AI, the conversational answer engine, where he has led engineering and strategy. A competitive-programming standout, he worked at Quora and in quantitative trading before starting Perplexity in 2022 with Aravind Srinivas and co-founders.
Career & education
Current rolePerplexityAug 2022-presentCo-founder and CSO
PerplexityAug 2022-presentPreviously
Quora2013-2014Engineer
Tower Research Capital2017-2022
Quantitative TraderQuora2013-2014Education
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Based on public sources. If accuracy is important, verify details using the links or references.
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Reviewed August 23, 2026 · Checked for accuracy and new information.
