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About
Alex Southmayd taught 7th grade through Teach For America before instructing standardized test preparation at Manhattan Prep. He led driver acquisition at Lyft's New England division and later worked as an engagement manager at McKinsey on strategy and corporate development. He holds a BA from Amherst College, an M.Ed. from Boston University, and an MBA from Stanford Graduate School of Business.
CEO at BloomyYC S26
Intro paths
Alex went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tyler Bosmeny, General Partner at Y Combinator — the partner who ran Bloomy's batch and knows the company first-hand. YC profile ↗
In turn, Alex can intro founders to Bloomy's investors below.
Bloomy's investors · 7
Frequently asked questions
- Who is Alex Southmayd?
- Alex Southmayd taught 7th grade through Teach For America before instructing standardized test preparation at Manhattan Prep. He led driver acquisition at Lyft's New England division and later worked as an engagement manager at McKinsey on strategy and corporate development. He holds a BA from Amherst College, an M.Ed. from Boston University, and an MBA from Stanford Graduate School of Business.
- Where does Alex Southmayd work?
- Alex Southmayd is CEO of Bloomy.
- What companies did Alex Southmayd found?
- Alex Southmayd founded Bloomy.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Stanford University Graduate School of Business mafia976
Also came through, then founded or led a company.
McKinsey & Company mafia937
Also came through, then founded or led a company.
Boston University mafia257
Also came through, then founded or led a company.
Lyft mafia100
Also came through, then founded or led a company.
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