Tensen began working for broadcaster
Veronica as announcer in 1986. Before this, she was involved in promoting the broadcaster to increase membership and she also worked as production assistant for radio broadcasts. She became presenter of the show
Wie ben ik? in 1990 with Ron Brandsteder and
André van Duin as team captains. In the show, contestants in two teams are assigned a name or an object and they need to guess who or what they are by asking questions. She presented the show until 1999. Tensen presented the show
Het Spijt Me from 1993 to 1999. The show was previously a part of
De 5 Uur Show, as the segment
Het bloemetje, and it became its own show. Since 2000, she presents the quiz show
Postcode Loterij: Eén Tegen 100 or
Eén Tegen 100. In the show, a single contestant competes against 100 other people for a chance to win a cash prize. During the
COVID-19 pandemic in the Netherlands, the show was renamed to
Eén Tegen 50 with one contestant competing against 50 people. Tensen presented the show's 500th episode in November 2020. She presented the show from 2009 to 2014 for
NCRV (later
KRO-NCRV) and from 2016 to 2018 for
AVROTROS. The show ended in 2014 due to budget costs by KRO-NCRV and the show returned in 2016 when Tensen switched to work for AVROTROS. The show has been described as a male counterpart of the show
Het mooiste meisje van de klas presented by Jaap Jongbloed. In 2019, Tensen became a presenter for
RTL 4. The show
DNA Onbekend did not move to RTL when she switched to work for RTL and
Dionne Stax became the new presenter of the show. Tensen presented a season of
Het Spijt Me in 2019, a new version of the show that she presented in the 1990s. She presented two seasons of the show
Wie ben ik? in 2020 and 2021. Tensen,
Angela Groothuizen and Natasja Froger became presenters of the show
Five Days Inside in 2020 as
Beau van Erven Dorens stopped presenting the show to focus on his talk show
Beau. Tensen and Angela Groothuizen were replaced by Rick Brandsteder and
Geraldine Kemper as presenters of the show in 2021. Tensen presented the show
De Reis van je Genen in 2021 in which people look at their family and relatives after taking a
DNA test. She presented the first season of
Kopen of Slopen, a television show about buying a new home or renovating one's current home, in 2023. She presented a second season in late 2024 and early 2025. In 2026, she became one of the presenters of the ninth season of the show
Kopen Zonder Kijken after
Martijn Krabbé was no longer able to present the show due to his health. Krabbé does the
voice-over and the show is presented by multiple presenters. In the show, people purchase a home without having seen it first and the team of
Kopen Zonder Kijken makes all relevant decisions based on budget and preferences.
Columnist Tensen is a
columnist for the magazine
Beau Monde and 44 of these columns were published in the book
Caroline in 2007.
Television appearances Tensen was a contestant in the 2012 season of the game show
Ranking the Stars. She was one of the crew members in the 2024 television show
Over de Oceaan in which celebrities sail across the Atlantic Ocean. She was head of the kitchen on the ship. She took part in the 2025 season of the photography television show
Het Perfecte Plaatje in which contestants compete to create the best photo in various challenges. == Personal life ==