Question: Which former NBA player founded the professional eSports organization Echo Fox?

Context paragraphs:
Splyce: Splyce (formerly known as Follow eSports) is a professional video gaming esports organization and esports broadcast finding service.  It describes itself as the "TV Guide of eSports".  Splyce has teams and players competing in "Call of Duty", "", "League of Legends", "", and "World of Warcraft".  The team announced its rebranding in November 2015.  Follow eSports acquired the LoL team of Dignitas EU after that team qualified for the League of Legends Championship Series Europe on 3 November 2015 for nearly £625,000 ($1 million).

Rick Fox: Ulrich Alexander "Rick" Fox (born July 24, 1969) is a Canadian-Bahamian film and television actor, businessman, retired basketball player, and eSports franchise owner.  He played in the National Basketball Association (NBA) for the Boston Celtics and Los Angeles Lakers, and played college basketball for the North Carolina Tar Heels.  Fox is currently a Founding Partner at Vision Venture Partners, spearheading the private equity firm’s move into professional eSports and providing strategic guidance, creative direction and business development support to each of VVP's portfolio companies.  He is also the owner of premier eSports franchise Echo Fox.

Echo Fox: Echo Fox is a professional eSports organization which fields teams in "Gears of War 4", "League of Legends", " ", "", "Street Fighter V", "Super Smash Bros.  Melee", "Marvel vs. Capcom 3", "Super Smash Bros. for Wii U," "Mortal Kombat X", "Tekken 7", "Injustice 2", and "Vainglory".  The organization was founded after Rick Fox bought the League of Legends Championship Series (LCS) spot of Gravity Gaming for around US$1 million.  The organization expanded into Counter-Strike: Global Offensive by signing a team called Torqued on January 26, 2016.  Jace Hall is the team's co-owner and manager.

Ninjas in Pyjamas: Ninjas in Pyjamas (abbreviated NiP) is a professional eSports organization from Sweden that is best known for their "" team.  NiP's "Counter-Strike" enjoyed its greatest success from their initiation in 2000 until their dissolution in 2007.  One of the star players on the team was Emil "HeatoN" Christiansen, who later became the organization's manager.  In 2012, the team reformed with a "" lineup upon the release of the game.  The NiP "CS:GO" team is anchored by former fnatic players Patrik "f0rest" Lindberg and Christopher "GeT RiGhT" Alesund.  NiP have a "League of Legends" team that compete in the League of Legends Championship Series Europe Summer 2017 split.  NiP also had a team in "Overwatch" and "Dota 2".

Professional eSports Association: Professional eSports Association (PEA) is an upcoming professional video gaming and eSports league set to launch in 2017.  Its founding members include eSports teams Team Solomid, Cloud9, Team Liquid, Counter Logic Gaming, Immortals, NRG eSports, and compLexity Gaming.  The PEA will have a minimum $1 million prize pool for its first year, with the first confirmed competition being a "Counter-Strike: Global Offensive" league beginning in January 2017.  The organization was created with the aim of having a "stable, healthy, long-term environment for the players."  The league plans to institute a new profit sharing system not seen in the current eSports environment.  The PEA is owned and run by its teams, unlike other eSports leagues.

Moscow Five: Moscow Five was a Russian professional esports organization which was founded in 2001.  The organization has teams in Counter-Strike, WarCraft, FIFA, and LoL.  On December 16, 2011, Moscow 5 created what one could describe as one of the most successful international teams in the history of "League of Legends".  In 2013 former Moscow 5 owner Dmitry 'ddd1ms' Smilianets was arrested for his alleged involvement in "one of the largest" hacking and data breach schemes history in a global operation by the FBI’s Cyber Division.  Former Moscow 5’s LoL team quickly reformed as Gambit Gaming under Pikiner’s leadership.

Gravity Gaming: Gravity, also known as Gravity Gaming or Team Gravity, was a previous North American "League of Legends" team which competed in the North American League of Legends Championship Series (LCS).  The team was originally known as Curse Academy and was the second team of Team Curse.  Upon qualifying for the LCS the team was required by league rules to rebrand.  The team is based in San Dimas, California and plays games in the NA LCS Studio in Sawtelle, Los Angeles.  The Gravity LCS spot was sold in December 2015 to former NBA player Rick Fox, who then rebranded the team as Echo Fox.

Made in Thailand E-sport: Made in Thailand E-sport (MiTH) is the professional eSports organization of Thailand.  The founder of the organization is Chanignun Thipairote.

ESL (eSports): ESL, originally Electronic Sports League, is an eSports company which organizes competitions worldwide.  ESL is the world's largest esports company, and the oldest professional esports organization that is still operational.  Based in Cologne, Germany, ESL has eleven offices and multiple international TV studios globally.  ESL is the largest eSports company to broadcast on Twitch.

Team Liquid: Team Liquid is a multiregional professional eSports organization based in the Netherlands that was founded in 2000.  With the release of "", Team Liquid signed their first professional players.  In 2012, Team Liquid recruited a North American "Dota 2" team, marking their first venture into multi-genre management.  In January 2015, Team Liquid officially merged with Team Curse under the Liquid banner, bringing on Steve Arhancet, his supporting staff, and former Curse "League of Legends," "Street Fighter", and "Super Smash Bros." teams.  Team Liquid's website was originally started in 2001 as a news site focusing on "StarCraft".

Supporting paragraphs: Echo Fox Rick Fox
Answer: Rick Fox