Question: Which former Wisconsin Badgers offensive co-ordinator is now their head coach?

Context paragraphs:
2000–01 Wisconsin Badgers men's basketball team: The 2000–01 Wisconsin Badgers men's basketball team represented University of Wisconsin–Madison.  The head coach was Dick Bennett, coaching his sixth season with the Badgers.  Bennett resigned after three games into the 2000–01 citing burnout – he said he "simply was drained".  Assistant coach Brad Soderberg then took over as the interim head coach for the remainder of the season.  The team played their home games at the Kohl Center in Madison, Wisconsin and is a member of the Big Ten Conference.

1925 Wisconsin Badgers football team: The 1925 Wisconsin Badgers football team was an American football team that represented the University of Wisconsin in the 1925 Big Ten Conference football season.  The team compiled a 6–1–1 record (3–1–1 against conference opponents), finished in third place in the Big Ten Conference, and outscored all opponents by a combined total of 131 to 50.  George Little was in his first year as Wisconsin's head coach.  Little had been the head coach at Michigan in 1924; the Badgers suffered their only defeat of the 1925 season to Little's former team.

Guy Sundt: Guy M. Sundt (February 18, 1898 – October 25, 1955) was an American athlete, coach, and college athletics administrator.  He played football and basketball and ran track at the University of Wisconsin–Madison.  After graduating from Wisconsin in 1922, Sundt spent two years at Ripon College in Ripon, Wisconsin, where he served as athletic director and coached football, basketball, and track.  He returned to Wisconsin in 1924 as freshman football and basketball coach and assistant track coach.  From 1924 until 1948, Sundt coached the backfield on the varsity Wisconsin Badgers football team.  From 1948 until 1950, he served as the head track coach for the Badgers before taking the job as athletic director at Wisconsin, a role he filled until his death in 1955.

Iowa–Wisconsin football rivalry: The Iowa–Wisconsin football rivalry is an American college football rivalry between the Iowa Hawkeyes and Wisconsin Badgers.  The Heartland Trophy is a brass bull that is presented to the winner of the annual game.  Although the rivalry is over 100 years old, the trophy is a relatively new addition.  It was first presented in 2004 to Iowa, when they defeated Wisconsin 30–7.  In 2005, Iowa spoiled the last home game for Wisconsin head coach Barry Alvarez, defeating the Badgers at a rain-soaked Camp Randall Stadium 20–10.  The Badgers took possession of the trophy for the first time in 2006, defeating Iowa 24–21 in a back-and-forth affair.  Wisconsin evened the Heartland Trophy series in 2007, winning another closely contested game 17–13, under the lights at Camp Randall.  In 2008, Iowa took the lead in the trophy series with a lopsided 38–16 victory.  The Hawkeyes' second-half performance was key again in 2009, as they won 20–10 in Madison.  The 2010 game was decided in the final minute, as the Badgers scored a late touchdown for a 31–30 victory at Kinnick Stadium.

2015–16 Wisconsin Badgers men's basketball team: The 2015–16 Wisconsin Badgers men's basketball team represented the University of Wisconsin–Madison in the 2015–16 NCAA Division I men's basketball season.  This was Bo Ryan's 15th season as head coach at Wisconsin, before he resigned 12 games into the season.  On December 15, 2015, Ryan announced he would retire effective immediately leaving associate head coach Greg Gard as interim head coach.  The team played their home games at the Kohl Center and were members of the Big Ten Conference.  They finished the season 22–13, 12–6 in Big Ten play to finish in a four way tie for third place in conference.  Shortly after the regular season, Greg Gard had the interim tag removed as he was announced as the permanent head coach.  The Badgers were upset by Nebraska in the second round of the Big Ten Tournament.  They received an at-large bid to the NCAA Tournament, their 18th straight appearance in the Tournament.  They defeated Pittsburgh and Xavier to advance to the Sweet Sixteen for the third consecutive year.  In the Sweet Sixteen, they lost to Notre Dame.

2006–07 Wisconsin Badgers men's basketball team: The 2006–07 Wisconsin Badgers men's basketball team represented the University of Wisconsin–Madison in the 2006–07 NCAA Division I men's basketball season.  The head coach was Bo Ryan, coaching his sixth season with the Badgers.  The team played their home games at the Kohl Center in Madison, Wisconsin as a member of the Big Ten Conference.  The Badgers finished the season 30–6, 13–3 in Big Ten play to finish in second place.  They lost in the Big Ten Tournament championship to Ohio State.  They received an at-large bid to the NCAA Tournament as a No. 2 seed in the Midwest Region.  In the First Round, they defeated Texas A&M–Corpus Christi before being upset by No. 7-seeded UNLV in the Second Round.

2014–15 Wisconsin Badgers men's basketball team: The 2014–15 Wisconsin Badgers men's basketball team represented the University of Wisconsin–Madison in the 2014–15 NCAA Division I men's basketball season.  This was Bo Ryan's 14th and final full season as head coach at Wisconsin.  The team played their home games at the Kohl Center in Madison, Wisconsin and were members of the Big Ten Conference. They finished the season 36–4, 16–2 in Big Ten play to win the Big Ten regular season championship.  They defeated Michigan, Purdue, and Michigan State to win the Big Ten Tournament and earn an automatic bid to the NCAA Tournament.  This marked the Badgers 17th straight trip to the Tournament.  In the Tournament, they defeated Coastal Carolina and Oregon to advance to their second straight Sweet Sixteen.  They defeated North Carolina and Arizona to reach the school's fourth overall and second consecutive Final Four.  By upsetting unbeaten Kentucky 71–64 in the Final Four in Indianapolis, the Badgers moved on to play Duke in the National Championship Game, going for their first title in 74 years.  However, Wisconsin lost the game 68–63.

2015 Wisconsin Badgers football team: The 2015 Wisconsin Badgers football team represented the University of Wisconsin–Madison in the 2015 NCAA Division I FBS football season.  The Badgers, led by first-year head coach Paul Chryst, were members of the West Division of the Big Ten Conference and played their home games at Camp Randall Stadium.  On January 13, 2015, the Badgers hired offensive coordinator Joe Rudolph.  The Badgers were the media preseason favorites to win the Big Ten West division.  During fall camp prior to the start of the season Chryst announced the Badgers would return to a pro-style punt scheme instead of the shield punt scheme, also known as the spread punt scheme.  Two days after Wisconsin played in the Holiday Bowl defensive coordinator Dave Aranda was hired by LSU as their new defensive coordinator.  At the end of the season, Wisconsin featured the #1 defense in college football, with opponents averaging just 13.1 points per game against the Badgers.

Sara Bauer: Sara Bauer (born May 11, 1984 in St. Catharines, Ontario) played for the Wisconsin Badgers women's ice hockey program.  In four years, she accumulated 218 points.  Bauer won the Patty Kazmaier Memorial Award in 2006.  During the 2008–09 NCAA season, the WCHA honored its Top 10 Players from the First Decade.  Among the group of 10 was former Wisconsin forward Sara Bauer.

Paul Chryst: Paul Joseph Chryst (born November 17, 1965) is an American football coach and former player.  He is currently the head football coach for the Wisconsin Badgers.  Chryst had previously been the head coach at the University of Pittsburgh, from 2012 to 2014.  Prior to serving as head coach, Chryst had previously been the offensive coordinator at Wisconsin from 2005 through 2011.  He also served in the same capacity at Oregon State University and was an assistant coach for the San Diego Chargers of the National Football League.  Chryst played college football at Wisconsin, where he lettered as a quarterback from 1986 to 1988.

Supporting paragraphs: 2015 Wisconsin Badgers football team Paul Chryst
Answer: Paul Chryst