Brad GerstnerBrad Gerstner (born 1971) is an American billionaire investor and hedge fund manager. He founded Altimeter Capital in 2008 and is known for high-conviction, concentrated bets in technology and consumer internet stocks (notable positions include Snowflake, Meta, Nvidia, and a massive early stake in United Airlines). A former airline analyst and entrepreneur (co-founder of NLG, sold to Expedia), Gerstner is outspoken on corporate governance and shareholder activism. As of 2025, his net worth is estimated north of $3 billion.
Audemars Piguet Royal Oak 
The Audemars Piguet Royal Oak (reference 15500ST or 15550ST in current production) is the iconic luxury steel sports watch designed by Gérald Genta in 1972. Key traits:
- 41mm (15500) or 37mm/38mm (15550) octagonal case with exposed screws
- Integrated bracelet with tapering links
- Tapisserie dial (usually blue, black, or grey)
- Powered by in-house automatic Calibre 4302 or 5900
- Instantly recognizable as the original luxury steel sports watch that saved AP and started the entire genre now dominated by the Nautilus and Overseas Remains one of the most sought-after and hard-to-get watches at retail; secondary market prices often 2–3× retail depending on dial color and size.
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