Billionaire Dr. Tom Kaplan combines his position as largest private Dutch Masters collector and Panthera founder to raise ...

“Young Lion Resting” (c1638-42) is co-owned by the Franco-American collector and metals billionaire Thomas Kaplan and by Jon ...

Chalk artwork sold for record price at a New York Sotheby’s auction with proceeds going to the Panthera charity ...

This shift was cemented in New York this week when a small, delicate drawing by Rembrandt van Rijn achieved a price of $17.86 ...