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Arthur Dantchik
Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.
Securities & exchangesGregg Hymowitz
Gregg S. Hymowitz (born November 16, 1965) is an American billionaire who is the chairman, chief executive officer and founder of EnTrust Global, a diversified alternative investment firm. Hymowitz is an activist investor, known for his bold investment strategy. According to Forbes, he has an estimated personal net worth of $2 billion as of April 2025.