Mark Koba

Mark Koba
Senior Editor, CNBC

Mark Koba is a senior editor at CNBC.com. Topics for his feature story writing include the business of politics, health care, employment and the economy.

Before working at CNBC.com, he spent 11 years at Bloomberg LP, where among various duties, he was program producer for the award-winning "Bloomberg Small Business" television show.

Koba's background includes a decade of news writing and show producing at CNN, E! Entertainment Television, ABC's "World News Now," "Good Morning America" and CBS' "This Morning."

Follow Mark Koba on Twitter @MarkKobaCNBC.


  • Portfolio Challenge Update: Standings And Trades
    By: Mark Koba
    Wednesday, 14 Mar 2007 | 10:51 AM ET

    Well--the first weekly winner has been declared--Nancy Beaumont and she will be removed from the leaderboard. So how are the others doing? Here's a look from yesterday's action. Scott Wrynn maintains the top spot in the leaderboard for the second day in a row with his...

  • First Portfolio Contest Weekly Winner Declared
    By: Mark Koba
    Wednesday, 14 Mar 2007 | 10:15 AM ET
    Nancy Beaumont

    The first weekly winner for the CNBC Million Dollar Portfolio Challenge in now in the books. It's Nancy Beaumont from Walnut Creek, California. Here are some quick facts on her:

  • Contest Rule Update And Clarification
    By: Mark Koba
    Wednesday, 14 Mar 2007 | 9:16 AM ET

    Folks--please read: In response to your inquiries, CNBC has posted a clarification to the rules. It states that each Participant may only receive one (1) place in the Finals, irrespective of the number of portfolios entered. The Official Rules have been modified to reflect this clarification.