CNBC Anchors and Reporters

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.


  • Hey folks--need a strategy session for the contest? CNBC's "On The Money" had two great guests Friday night to offer their best advice--one even wrote a book on winning the challenge.

  • Hey everybody. CNBC's "On The Money" started their first re-cap of the contest on Friday. Here's some of what we learned: The first two leaders from Tuesday and Wednesday, both employed similar strategies, they went all-in on a stock that was forecast to have positive earnings, or looked to bottom fish and catch the bump.

  • Well--the first week of the Million Dollar Portfolio challenge is over--so let's see where we stand. Nancy Beaumont sits on top of the leader board with a portfolio value of $1,645,296.56 or a weekly gain of 64.5%. Nancy has multiple portfolios registered for the contest...

  • Hi there and welcome. You're in just the right place for everything you want and need to know about the CNBC Million Dollar Portfolio Challenge. We're all contest, all the time and we're excited--to say the least.

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    The CNBC.com Million Dollar Portfolio Challenge is on. And to help mark the occasion, some heavy hitters from CNBC got to ring today's opening bell at the NYSE.

  • Louisiana Congressman, William Jefferson, D-New Orleans,  left, and New Orleans Mayor Ray Nagin, appear before the U.S. House  Subcommittee on Housing and Community Development  meeting in New Orleans Friday afternoon Jan. 13, 2006. The subcommittee came to New Orleans to discussing the housing problems caused by Hurricane Katrina. (AP Photo/Bill Haber)

    All the recent volatility in the markets has shaken things up in the currency sector. So--what should currency investors be doing right now? There were two somewhat different opinions on today's "Morning Call." Nick Bennebroek is senior currency strategists with Brown Brothers Harriman--and as a defensive measure says the U.S. dollar looks good--right now...

  • Occupy protesters make noise clanking pots in front of the main gate to Davos congress center on January 25, 2012 in Davos, Switzerland

    What do traders make of the market "week that was?" Three of them appeared on "Power Lunch" to do some water cooler talking. And their outlook is not necessarily a "rosy" one. Stuart Schweitzer is global markets strategist as JP Morgan Asset & Wealth Management. Bob Nunn is a managing director at Cohen Specialists and John O'Donoghue....

  • The recent behavior of the markets over the last few days has been erratic--to say the least. That's even while many analysts say the fundamentals are the same as they were just last week. So just what are investors thinking--and what are the markets trying to tell us?

  • We've mentioned today's report on global warming in an earlier post--so let's get right to one of the major questions: is corporate America taking global warming as a serious issue or not? Some are it seems as reported earlier this month when 10 companies and their CEOs joined activist groups in calling for caps on carbon emissions.

  • Are humans responsible for global warming--or not? A new report says--yes. Scientists from 113 countries issued the report Friday--saying they have little doubt global warming is caused by man, and predicting that hotter temperatures and rises in sea level will “continue for centuries” no matter how much humans control their pollution.