Bill MacCartney

SignalFire Management Services LLC (Signalfire) is a venture capital firm founded in 2013 by Christopher W. Farmer and Ilya Kirnos. The firm is headquartered in San Francisco, California.

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 a number of affiliated hedge funds and other entities. The investor base of the funds includes institutional investors and other highly sophisticated, high-net worth participants.

Google LLC engages in the operation of internet portal and search index website. It provides online advertising technologies, search engine, cloud computing, and software solutions. The company was founded by Lawrence E. Page and Sergey Mikhaylovich Brin on September 4, 1998 and is headquartered in Mountain View, CA.

Cycorp, Inc. researches, develops and commercializes artificial intelligence. The firm’s software combines common sense ontology and knowledge base with a reasoning engine and natural language interfaces to enable the development of novel knowledge-intensive applications. The company was founded in 1994 by Douglas B. Lenat and is headquartered in Austin, TX.

The Mechanical Zoo, Inc. provides online social search engine services. It allows users to ask questions and find information from people in their network through instant messaging and email. The company was founded by Max Ventilla, Damon Horowitz, Nathan Stoll and Robert Spiro in 2007 and is headquartered in San Francisco, CA.