Kari Elizabeth Byron (born December 18, 1974) is an American television host, best known for her role on the ''
MythBusters
''MythBusters'' is a science entertainment television series created by Peter Rees (producer), Peter Rees and produced by Beyond International in Australia. The series premiered on the Discovery Channel on January 23, 2003. It was broadcast in ...
'' and ''
White Rabbit Project'' series.
Byron was born in the Bay Area, California and graduated from
San Francisco State University
San Francisco State University (San Francisco State, SF State and SFSU) is a Public university, public research university in San Francisco, California, United States. It was established in 1899 as the San Francisco State Normal School and is ...
in 1998 with a Bachelor of Arts in film and sculpture. Byron was a cast member of ''MythBusters'' from 2004 to 2014 where she was part of "The Build Team". From 2010 to 2011, Byron hosted ''
Head Rush'', aimed at science education and teens, and ''Large, Dangerous Rocket Ships''. From 2011 to 2014, she presented ''
Punkin Chunkin
Punkin chunkin or pumpkin chucking is the sport of hurling a pumpkin by mechanical means for distance. The devices used include slingshots, catapults, Centrifugal force, centrifugals, trebuchets, and Air gun, pneumatic (air) cannons.
Punkin chu ...
'' on the
Science Channel
Science Channel (often simply branded as Science; abbreviated to SCI) is an American pay television channel owned by Warner Bros. Discovery. The channel features programming focusing on science related to wilderness survival, engineering, manu ...
. She co-hosted
Netflix
Netflix is an American subscription video on-demand over-the-top streaming service. The service primarily distributes original and acquired films and television shows from various genres, and it is available internationally in multiple lang ...
's ''
White Rabbit Project'' in 2016 and ''
Crash Test World'' in 2019. Byron is also the co-founder of EXPLR Media, an education streaming service. Outside of television, Byron is an artist and author. She wrote a memoir titled ''Crash Test Girl'' in 2018.
Early life
Byron was born in the
Bay Area, California. She graduated from
Los Gatos High School in
Los Gatos, California
Los Gatos (; ; ) is an List of municipalities in California, incorporated town in Santa Clara County, California, United States. The population is 33,529 according to the 2020 United States census, 2020 census. It is located in the San Franc ...
, and studied at
San Francisco State University
San Francisco State University (San Francisco State, SF State and SFSU) is a Public university, public research university in San Francisco, California, United States. It was established in 1899 as the San Francisco State Normal School and is ...
, graduating in May 1998 with a
Bachelor of Arts
A Bachelor of Arts (abbreviated B.A., BA, A.B. or AB; from the Latin ', ', or ') is the holder of a bachelor's degree awarded for an undergraduate program in the liberal arts, or, in some cases, other disciplines. A Bachelor of Arts deg ...
in film and sculpture.
She spent the following year backpacking, primarily in
South Asia
South Asia is the southern Subregion#Asia, subregion of Asia that is defined in both geographical and Ethnicity, ethnic-Culture, cultural terms. South Asia, with a population of 2.04 billion, contains a quarter (25%) of the world's populatio ...
, and was involved in a number of art projects.
Career
''MythBusters''
Byron was a cast member on ''
MythBusters
''MythBusters'' is a science entertainment television series created by Peter Rees (producer), Peter Rees and produced by Beyond International in Australia. The series premiered on the Discovery Channel on January 23, 2003. It was broadcast in ...
'' from 2004 to 2014. Along with fellow cast members
Tory Belleci
Salvatore Paul Belleci ( ; born October 30, 1970) is an American television personality and model maker, best known for his work on the Discovery Channel television program ''MythBusters''. He has also worked with Industrial Light and Magic on fi ...
and
Grant Imahara
Grant Masaru Imahara (October 23, 1970 – July 13, 2020) was an American electrical engineer, roboticist, and television host. He was best known for his work on the television series ''MythBusters'', on which he designed, built, and opera ...
she was part of what is commonly referred to as "The Build Team" or B Team. This Build Team worked with
Adam Savage
Adam Whitney Savage (born July 15, 1967) is an American special effects designer and manufacturer, fabricator, actor, educator, television personality, and producer, best known as the former co-host, with Jamie Hyneman, of the Discovery Channe ...
and
Jamie Hyneman
James Franklin Hyneman (; born September 25, 1956) is an American special effects expert who was co-host of the television series ''MythBusters'' alongside Adam Savage, where he became known for his distinctive beret and walrus moustache. He ...
to test the plausibility of various myths throughout their tenure with the show. She and the others also hosted their own segments. She became involved in the show after persistently showing up at Hyneman's
M5 Industries workshop in a desire to get hired by his company. She and the other Build Team members were given a more prominent role beginning with the show's second season. Not having had a long history in show business, Byron at first found it difficult to act naturally with this more visible position but gradually became more accustomed to it.
During the second half of the 2009 season, Byron was on
maternity leave
Parental leave, or family leave, is an employee benefit available in almost all countries. The term "parental leave" may include maternity, paternity, and adoption leave; or may be used distinctively from "maternity leave" and "paternity leave ...
and was temporarily replaced by
Jessi Combs
Jessica Combs (July 27, 1980 – August 27, 2019) was an American professional racer, television personality, and metal fabricator. She set a women's land speed class record (four wheels) in 2013 and broke her own record in 2016. She was kno ...
. From 2010–2011, Byron had her own show, ''
Head Rush'', on the Science Channel, geared toward science education and teens.
Byron has also hosted the 2010 and 2011 editions of ''Large, Dangerous Rocket Ships'' for the Science Channel. She and Belleci made a guest appearance on the October 3, 2012, episode of the Discovery series ''
Sons of Guns''. They test-fired some of the weapons in the Red Jacket shop and watched as the staff re-tested a myth previously busted by the Build Team: that a
propane
Propane () is a three-carbon chain alkane with the molecular formula . It is a gas at standard temperature and pressure, but becomes liquid when compressed for transportation and storage. A by-product of natural gas processing and petroleum ref ...
tank could explode if struck by a bullet. She left the show in 2014.
Byron and Belleci hosted coverage of ''
Punkin Chunkin
Punkin chunkin or pumpkin chucking is the sport of hurling a pumpkin by mechanical means for distance. The devices used include slingshots, catapults, Centrifugal force, centrifugals, trebuchets, and Air gun, pneumatic (air) cannons.
Punkin chu ...
'' on the
Science Channel
Science Channel (often simply branded as Science; abbreviated to SCI) is an American pay television channel owned by Warner Bros. Discovery. The channel features programming focusing on science related to wilderness survival, engineering, manu ...
from 2011 to 2014. In 2015, Byron and Belleci hosted ''Thrill Factor'', a new show for the
Travel Channel
Travel Channel (stylized as Trvl Channel since 2018) is an American pay television television channel, channel owned by Warner Bros. Discovery, who previously owned the channel from 1997 to 2007. The channel is headquartered in Manhattan, with ...
.
Looking back on her time on ''MythBusters'', she says that she made lifelong connections with the cast and crew. Specifically, she said, "I made family with these people, I take them everywhere I go."
''White Rabbit Project''
Byron, along with Imahara and Belleci, hosted the Netflix production ''
White Rabbit Project'', released on Netflix on December 9, 2016. The series focused on unusual aspects from history and pop culture.
''Crash Test World''

Byron became host of the series ''
Crash Test World''. The six episode series aired on
Science Channel
Science Channel (often simply branded as Science; abbreviated to SCI) is an American pay television channel owned by Warner Bros. Discovery. The channel features programming focusing on science related to wilderness survival, engineering, manu ...
starting January 8, 2021.
EXPLR Media
Byron is currently the co-founder of EXPLR Media, an education streaming service. "I want our audience to be able to look at every show that we do and find somebody that looks like them."
Personal life
Byron married artist Paul Urich in March 2006. They have a daughter. On June 26, 2019, Byron petitioned for separation from Urich and their marriage was dissolved on March 20, 2020.
She was previously a
vegetarian
Vegetarianism is the practice of abstaining from the Eating, consumption of meat (red meat, poultry, seafood, insects as food, insects, and the flesh of any other animal). It may also include abstaining from eating all by-products of animal slau ...
, but now describes herself as
pescetarian.
Byron continues to create art, including paintings created by igniting gunpowder. In 2018 she published a memoir ''Crash Test Girl'', with
HarperOne
HarperOne is a publishing imprint of HarperCollins, specializing in books that aim to "transform, inspire, change lives, and influence cultural discussions." Under the original name of Harper San Francisco, the imprint was founded in 1977 by 13 e ...
. Byron is credited with creating the original cover art, and providing interior art, for ''canvas: poems'' (Viewless Wings Press, 2021), using the black powder technique.
In ''Crash Test Girl'', Byron states she has "contended with severe bouts of
depression" since she was twelve. She states she has depressive episodes "a few times a year"; in addition, she had
postpartum depression
Postpartum depression (PPD), also called perinatal depression, is a mood disorder which may be experienced by pregnant or postpartum women. Symptoms include extreme sadness, low energy, anxiety, crying episodes, irritability, and extreme cha ...
, more severe than her normal depression, for six months after her daughter was born.
References
External links
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{{DEFAULTSORT:Byron, Kari
1974 births
Living people
Television personalities from San Francisco
San Francisco State University alumni
People from Los Gatos, California
People with mood disorders
American women television personalities