Tso has a rare combination of extensive business and journalistic experience after more than 15 years reporting and commentating for television, radio, print and digital in both developed and emerging markets. Based in London, Tso co-anchors CNBC International's flagship programme in EMEA, Squawk Box, a fast-paced three-hour show that sets the daily news agenda. In 2012, Tso swapped studios, moving from Squawk Box Asia in Singapore to London and since then has talked viewers through the all-important start of the European trading day, while sign posting significant trend changes in commodities, technology and retail.
Prior to CNBC, Tso was a household name in business news in Australia, anchoring for Nine Network, Sky News and ABC. At Nine, Tso presented business and finance stories for the country's top-rated evening bulletin, National Nine News as well as reporting for Business Sunday, The Today Show, Nightline and My Home Property. Alongside her Nine duties, Tso anchored Sky Business Report in the evening for Sky News. In her earlier years as a journalist, Tso worked for five years at Australian public broadcaster ABC, anchoring the first live nightly finance segment on flagship news and current affairs programme Lateline. Tso also looks fondly back on her days as a reporter for radio current affairs programme PM, and ABC Local Radio.
She has a degree in business, receiving a Bachelor of Commerce from Griffith University, Queensland. She also has studied for a Masters in Journalism at the University of Westminster, London and UTS, Sydney.
Follow Karen on Twitter @cnbcKaren
Stocks face a new normal in 2018 and that's unsettling.
Hedge fund managers have warned that Chinese authorities could soon retaliate against U.S. tariffs and vastly escalate a global trade war that has simmered for the last few of weeks.
CNBC's Karen Tso reports on European reaction to news of President Trump's tariff plans.
Cisco CEO Chuck Robbins calls for collaboration between the world's economic superpowers.
Squawk Box Europe's Geoff Cutmore, Karen Tso and Steve Sedgwick discuss the latest market moves.
Chief executives speaking at a CNBC-hosted panel on "The Future of Work" sought to allay public concern about artificial intelligence.
Harvard University professor and closely-watched economist Ken Rogoff told CNBC that 2018 could bring "inflation in a way we haven't seen" and could rise above 2 percent in the U.S.
Proving that marketing works will be a challenge for businesses and advertising agencies this year, according to Ogilvy CEO John Seifert
Stephen Poloz, governor of the Bank of Canada, called bitcoin trading "gambling".
Stephen Poloz speaks exclusively to CNBC.
Geoff Cutmore is co-anchor for CNBC’s flagship programme Squawk Box in EMEA; the three-hour show bookends the opening of European equity markets.
Based in London, Tso co-anchors CNBC flagship show in EMEA, Squawk Box, a show that sets the news agenda every trading day.
Steve Sedgwick co-anchors CNBC's flagship program Squawk Box Europe and is also CNBC's OPEC reporter covering major meetings.