Nicholas Manousos is a horologist based in New York City. He is a Board Member at The Watch Library Foundation and is a Member of the Academy at the Grand Prix d’Horlogerie de Genève. An internationally recognized expert on horology, Manousos has been featured in The New York Times, Bloomberg, Esquire, New York Magazine, GQ, Scientific American, the documentary film Keeper of Time and consulted on HBO’s The Gilded Age.

Over thirteen years at the Horological Society of New York (2013-2026), Manousos transformed a struggling organization into a thriving institution with $3 million in annual revenue, a 25,000-volume horological library, acclaimed programming, and a celebrated annual gala at The Plaza Hotel. During Manousos' tenure as Executive Director, HSNY awarded more than $1 million in scholarships to over 160 watchmaking students across the world.