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5.5.26 - The Sierra Mafia
Early Sierra engineers and researchers, including Quip alumni, YC founders, and former Scale AI and Google engineers
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4.29.26 - Legora’s 1st FTEs, Skio Founding Engineer, and Early Standard Intelligence Talent
Legora’s 1st FTE and country heads, Skio’s founding engineer, and early MTS from Standard Intelligence
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4.28.26 – Parallel Founding Engineer, Rogo’s 1st FTE, and an a16z-Backed Founder
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4.10.26 - Top Founders of the Week
Mach Industries CTO, Early Anduril Engineering Leader, senior SpaceX Directors & Leaders, Hermeus Co-Founders, and Stipple Bio’s Co-Founder & CTO
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4.8.26 - The SpaceX Mafia Pt. 3
Serial CTO behind BuildOps (>$200M from Founders Fund), SpaceX Dragon & Falcon Senior Directors, Relativity’s former SVP of Manufacturing, YC founders, and a Shield AI engineering leader turned founder
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4.7.26 - SpaceX Mafia Pt. 2
Shield AI’s Co-CTO, 14-year SpaceX Director, Starlink engineering leads, founders of $100M+ startups, and Anduril leaders building next-gen space and autonomy startups
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4.6.26 - The SpaceX Mafia
Veteran SpaceX engineers and Starlink directors, ex–Anduril/Mach leaders, Founders Fund & Khosla-backed founding employees, and repeat YC Founders building in space and defense
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4.5.26 - Top Founders of the Week
Founding MTS @ Physical Intelligence, Mistral researchers from DeepMind, OpenAI, and Meta FAIR, WHOOP CTO, Saronic robotics architect, and Mercury founders with exits to Chime and GM
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4.2.26 - The Mercury Mafia
Mercury leaders with multiple exits (Chime, GM, Treehouse), repeat YC-backed founding engineers, early members of Anthropic-acquired Coefficient AI, and a GC-backed founding engineer
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4.1.26 - Lightspeed-backed Founder, Crosby Builder, and Factory Engineers Starting New
ScaleOps CTO ($800M valuation) and early builders from Crosby, Variance, and Factory (~$60M ARR, 6x growth).
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3.27.26 - Top Founders of the Week
Kalshi’s 1st FTE, Anduril’s Chief Engineer, Shield AI's COO, Dreamer's CTO, and an Early Palantir Member.
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3.26.26 - The Shield AI Mafia
Shield AI’s COO turned founder, Anduril’s former Chief Engineer, Tesla Cybertruck lead and Mach Industries build head, Founders Fund/Index-backed founding ML engineer, and a $100M Felicis-backed founder transitioning out of CEO