His son Nat Simons is an investor and philanthropist. His daughter Liz Simons is an educator and philanthropist. “Jim was an ...

(Bloomberg) --A family office founded by Jim Simons’s son-in-law has registered as an investment adviser with more than $3 billion of gross assets. Mark Heising runs Medley Partners for ...

Jim Simons, a mathematician who became one of the most successful investors in modern financial history, has died at age 86.