Jon Najarian is an options trader, television market analyst, CNBC television personality, former professional football trader and brokerage and market analytics executive who is known informally by his trading acronym of DRJ or Doctor J..
He is a co-founder of Najarian Advisors and a provider of market intelligence, commentary and trading strategies. He developed and patented trading applications and algorithm used to identify unusual activity in stock, options, and futures market.  He is a regular contributor to CNBC's show Fast Money. He has been a member of the Chicago Board of Trade since 1982.
In 1991 Najarian founded 1010WallStreet.com, a financial news site aimed at serious traders.
He has been a business anchor for Fox Television Chicago & First Business, a show that airs in 160 markets across the country. He also publishes the proprietary, trademarked HeatSeeker & DepthCharge research on the financial website he and his brother Pete co-founded, optionMONSTER.com.
In a draft research paper dated March 10, 2002 from Allen M. Poteshman of the Department of Finance, College of Business at the University of Illinois at Urbana-Champaign, Najarian was cited as concluding from trading activity ahead of the Sept. 11, 2001 terrorist attack in the United State that "somebody knew ahead of time the attacks would occur."
Along with his brother, Pete Najarian, he founded an online brokerage called tradeMONSTER and optionMONSTER, a provider of market intelligence, commentary, and trading strategies for stock and option traders in October 2005. In 2008 Najarian teamed up with his brother Pete Najarian and professional trader Guy Adami to start Drakon Capital (a sister company of optionMONSTER and tradeMONSTER). tradeMonster was purchased by General Atlantic in June 2014 and then simultaneously merged with OptionsHouse. 
Najarian is an advocate of education, and believes that educated traders are more profitable traders. He regularly hosts free educational webinars through optionMONSTER. He also co-hosts weekend conferences throughout the united stated titled “Invest Like a Monster”, which focuses on basic and mid-level options and equity trading education. 
Najarian and his brother Pete Najarian lead the money management firm Najarian Capital Advisers, a Registered Investment Advisor (RIA) that manages funds and provides analysis, consultation and risk management services to pensions and endowments. 
Najarian attended Gustavus Adolphus College in Minnesota.
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