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Lisa Simonsen is a New York high-society fixture and a real-estate broker with Douglas Elliman. She has closed over $2 billion in deals since 2005, with over $100 million in sales in 2022. Her day starts at 5 a.m. with cycling and green juice and ends at 10 p.m. with client phone calls.Lisa Simonsen is self-disciplined. It's a trait she brought with her from her early career days as a...