← Back to PeopleCreatorCarter LeffenProduct development coach at Bloomberg LPLinkedIn@carterleffenCarter Leffen is a product development coach at Bloomberg LP.2Mentions1Articles1OutletsCompanies CoveredOpenAI1Anthropic1TechCrunch1ArticlesMost recent firstMentioned InReferenced in coverageTwo AIs cracked World War II Enigma messagesTechCrunchpositiveOct 8, 2026“Used OpenAI's GPT-6 Astra to crack an unsolved Enigma message from 2005 by researching archives and building an Enigma simulator.”