John Overdeck

Two Sigma Investments LP (TSI) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded by John Overdeck and David Siegel in 2001. TSI provides advisory services to private investment funds, that consists of commingled vehicles and funds of one, typically organized as Delaware limited partnerships, Delaware limited liability companies, Cayman Islands exempted companies or other similar structures.

Robin Hood Foundation provides grants, strategic support services, and management assistance to community based programs fighting poverty. The firm conducts programs focusing on early childhood development, education, survival, youth, job training, and jobs and economic security. It also offers employment programs, lower income victims' services and relief, mental health services, and other grants. The company was founded by Paul Tudor Jones II in 1988 and is headquartered in New York, NY.

The National Museum of Mathematics is a non-profit company based in New York, NY. With its location in the heart of New York City, the National Museum of Mathematics serves as a hub for mathematical exploration and discovery, attracting visitors from around the world. It is a unique institution dedicated to exploring the wonders of mathematics through interactive exhibits, educational programs, and engaging events. The museum aims to make math accessible and enjoyable for people of all ages, fostering a deeper understanding and appreciation for the subject.

Two Sigma Insurance Quantified LP provides underwriting technology services. The private company is based in New York, NY and has subsidiaries in the United States. The company was founded in 2016. Brian J. Modesitt has been the CEO of the company since 2013.

Two Sigma Impact (Two Sigma) is a private equity firm a subsidiary of Two Sigma Investments LP founded in 2001 by David Mark Siegel and John Albert Overdeck. The firm is headquartered in New York.

D. E. Shaw & Co. LP (DESCO) is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded in 1992 by David Elliot Shaw. DESCO serves as the managing member, manager and/or investment advisor of certain entities in the D. E. Shaw Group and provides investment advice to several affiliated hedge funds and other entities. The investor base of the funds includes institutional investors and other highly sophisticated, high-net worth participants.

Part of Amazon.com, Inc., Amazon.com LLC operates as an online retail store. The company is based in Seattle, WA.