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Tristan O'Tierney

Mentioned in 1 analyzed podcast episode across 1 show

Appears On

How I Built This with Guy Raz

Episode Appearances

How I Built This with Guy Raz

How I Built This with Guy Raz · Feb 23, 2026

Square: Jim McKelvey. He Lost a $2,000 Sale, Then Built a $10 Billion Company

“First iPhone engineer hired by Square; worked on iPhone client software for the payment processing app”

Credit card payment processing and regulatory captureHardware-software integration for fintechMerchant acquisition and small business enablement