The man who wrote Britain's AI strategy now works for a frontier lab. @matthewclifford is stepping down as founding chair of @ARIA_Research after four years to run @AnthropicAI's work with governments outside North America. He wrote the UK's AI Opportunities Action Plan and stays until November 6. It's Talent Watch Episode 4 with @sophiadew and @katiekirsch. Also this week: • @ElevenLabs hired Adyen CFO @etandowsky, with enterprise now 55% of revenue • @AnthropicAI also added @jeremyberman…