Question: This man is the brother in law of Matt Miller and s the second coach in NFL history to reach the playoffs in each of his first six seasons as head coach

full_context: Document 1: 1978 Pittsburgh Steelers season: The 1978 Pittsburgh Steelers season was the franchise's 46th season in the National Football League (NFL). The season concluded with the team winning Super Bowl XIII to become the first franchise in the NFL to win three Super Bowl titles. The championship run was led by quarterback Terry Bradshaw and the team's vaunted Steel Curtain defense. Bradshaw put together the best year of his career to that point, becoming only the second Steeler to win the NFL MVP award. Ten Steelers players were named to the Pro Bowl team, and four were judged as first-team All-Pros by the AP. Head coach Chuck Noll returned for his tenth season—moving him ahead of Walt Kiesling as the longest tenured head coach in the team's history to that point.
Document 2: Mike Tomlin: Michael Pettaway Tomlin (born March 15, 1972) is an American football coach who is the head coach of the Pittsburgh Steelers of the National Football League (NFL). Tomlin is the fifth youngest head coach in any of the four major North American professional sports. He is the tenth coach in Steelers history. With the victory in Super Bowl XLIII on February 1, 2009 against the Arizona Cardinals, Tomlin became the youngest head coach in NFL history to lead his team to a Super Bowl championship.
Document 3: Bill Cowher: William Laird Cowher (born May 8, 1957) is a former professional American football coach and player in the National Football League (NFL). In Cowher's 15 seasons as head coach of the Pittsburgh Steelers, the team won eight division titles and made 10 playoff appearances. Cowher led the Steelers to the Super Bowl twice, winning one. He is the second coach in NFL history to reach the playoffs in each of his first six seasons as head coach, a feat previously accomplished by Paul Brown. Cowher resigned as head coach of the Steelers on January 5, 2007, 11 months after winning Super Bowl XL in 2006 over the Seattle Seahawks. Cowher was replaced by current Steelers head coach Mike Tomlin. Before being hired by the Steelers in 1992, Cowher served as an assistant coach for the Cleveland Browns and Kansas City Chiefs under head coach Marty Schottenheimer. He is currently a studio analyst for "The NFL Today".
Document 4: Matt Millen: Matthew George "Matt" Millen (born March 12, 1958) is an American former National Football League linebacker, and former executive. Millen played for the Oakland Raiders, the San Francisco 49ers and the Washington Redskins. In Millen's 12-year NFL playing career, he played on four teams that won the Super Bowl. Millen won a Super Bowl ring with each of the three teams for which he played; moreover, he won a Super Bowl ring in each of the four cities in which he played (the Raiders won championships in both Oakland and Los Angeles during his tenure).
Document 5: Richard Seigler: Richard Joseph Seigler is the current defensive line assistant coach of the Portland State Vikings college football team and former NCAA All-American and NFL Linebacker. He was drafted out of Oregon State University in 2004 by the San Francisco 49ers. In November 2005, he was acquired by the Pittsburgh Steelers, playing with them during their Super Bowl XL winning season. He finished up his playing years with the Toronto Argonauts of the CFL before moving on to his coaching career. Seigler played under the tutelage of National Championship Head Coach Dennis Erickson and Mike Riley in the college ranks. In the NFL, he played under Super Bowl Championship coaches Mike Tomlin and Bill Cowher.
Document 6: Bill Parcells: Duane Charles "Bill" Parcells (born August 22, 1941), also known as The Big Tuna, is a former American football coach, best known as a head coach in the National Football League (NFL) for 19 seasons. He rose to prominence as the head coach of the New York Giants, whom he led to two Super Bowl titles. Parcells later served as the head coach of the New England Patriots, New York Jets, and Dallas Cowboys. Throughout his career, he coached teams that were in a period of decline and turned them into postseason contenders. He is the only coach in NFL history to lead four different teams to the playoffs and three different teams to a conference championship game.
Document 7: Matt Miller (wide receiver): Matt Miller is an American football wide receiver for the Boise State Broncos football team. He stands between 6'3" and 6'4" tall and weighs 215 pounds. Matt Miller is well known for being named a second-team Freshman All-American from "Yahoo! Sports", and was named one of the members of the first-team Freshman All-American honors given by the Football Writers Association of America. He was also the Gatorade player of the year for high school football in montana for capital high school. Miller is a native to Montana and joined Boise State’s football team in 2010. Miller has played many different positions over the span of his football career, which includes running back, safety, punt returner, linebacker, cornerback, wildcat quarterback, and receiver.
Document 8: Matt Miller (offensive lineman): Matthew Peter Miller (born July 30, 1956) is a former American football offensive tackle who played four seasons with the Cleveland Browns of the National Football League. He was drafted by the Cleveland Browns in the fourth round of the 1979 NFL Draft, making him a member of the Kardiac Kids. Miller played college football at the University of Colorado Boulder and was on the 1978 College Football All-America Team. He attended Durango High School in Durango, Colorado. Miller also played two seasons for the Denver Gold in the United States Football League. He is the brother-in-law of Pittsburgh Steelers coach Bill Cowher. He is now a professor in Mechanical and Aerospace Engineering at Cornell University.
Document 9: Von Miller: Vonnie B'Vsean Miller Jr. (born March 26, 1989) is an American football outside linebacker for the Denver Broncos of the National Football League (NFL). Miller played college football at Texas A&M, where he earned consensus All-American honors and was awarded the Butkus Award as the most outstanding college linebacker in the nation. He was drafted by the Broncos second overall in the 2011 NFL Draft. He is a five-time Pro Bowl selection, receiving first-team All-Pro honors as a rookie. At the conclusion of the 2015 NFL season, Miller was named Super Bowl MVP after the Broncos defeated the Carolina Panthers in Super Bowl 50. Following his Super Bowl victory, he appeared on season 22 of "Dancing with the Stars".
Document 10: Jim Miller (quarterback): James Donald Miller (born February 9, 1971) is a host on SiriusXM NFL Radio, and a former NFL quarterback, last under contract with the New York Giants. He was drafted in the 6th round of the 1994 NFL Draft by the Pittsburgh Steelers, 178th overall. Miller attended Waterford Kettering High School and graduated in 1989. He started as the Captain's Varsity quarterback his sophomore year and held that position through his senior year. Miller was also a star baseball player. He currently serves as an analyst on Bears Postgame Live on CSN Chicago, replacing former Chicago Bears legend Richard Dent in 2007 and also holds a communication position with the Bears. He is the current co-host of "Moving the Chains" along with Pat Kirwan on SiriusXM NFL Radio, Channel 88.
Document 11: Willie Williams (cornerback, born 1970): Willie James Williams (born December 26, 1970) is a former American football cornerback in the National Football League and current Head coach for Winston Churchill High School. He was drafted out of Western Carolina University by the Pittsburgh Steelers in 1993, and spent the first 4 seasons of his 13-year career in Pittsburgh. He was a key member of the 1995 Steelers team that played in Super Bowl XXX. From 1997 to 2003, Williams played for the Seattle Seahawks, before returning to the Steelers for the 2004 and 2005 seasons. Williams had a much smaller role in 2005, but still posted 10 tackles, adding to his career totals of 602 tackles and 26 interceptions. Williams has the distinction of being the only player from the 1995 Steelers Super Bowl XXX roster to be a member of the 2005 Steelers Super Bowl XL roster. The Steelers defeated the Seahawks in that game 21-10 (though Williams was not active in Super Bowl XL, and did not dress with pads). He is also the cousin of Tamera Young of the Atlanta Dream (WNBA).
Document 12: Mat Mendenhall: Mathew W. Mendenhall (born May 14, 1957) is a former American football defensive end who played two seasons in the National Football League (NFL). He started in Super Bowl XVII. He played college football at Brigham Young University. He attended East High School and played alongside future Columbia star Ed Harris. He is the older brother of UVA Head coach Bronco Mendenhall. His other brother is Dr. Marty Mendenhall PhD who teaches at University of Phoenix and is a mental health provider for Utah Division of Juvenile Justice Services
Document 13: Terry Bradshaw: Terry Paxton Bradshaw (born September 2, 1948) is a former American football quarterback who played professionally in the National Football League (NFL). Since 1994, he has been a TV analyst and co-host of "Fox NFL Sunday". Bradshaw is also an actor, having participated in many television shows and films, most notably starring in the movie "Failure To Launch". He played for 14 seasons with Pittsburgh, won four Super Bowl titles in a six-year period (1974, 1975, 1978, and 1979), becoming the first quarterback to win three and four Super Bowls, and led the Steelers to eight AFC Central championships. He was inducted into the Pro Football Hall of Fame in 1989, his first year of eligibility. Bradshaw was inducted into the College Football Hall of Fame in 1996.
Document 14: Paul Miller (ice hockey): Paul Edward Miller (born August 21, 1959 in Billerica, Massachusetts) is a retired American professional ice hockey forward who played three games in the National Hockey League for the Colorado Rockies. He was a member of the 1978 NCAA Champion Boston University Hockey Team. He is the younger brother of Bob Miller (ice hockey).
Document 15: Barry Switzer: Barry Layne Switzer (born October 5, 1937) is a former American football player and coach. He served for 16 years as head football coach at the University of Oklahoma and four years as head coach for the Dallas Cowboys of the National Football League (NFL). He helped the Cowboys win Super Bowl XXX against the Pittsburgh Steelers. He has one of the highest winning percentages of any college football coach in history, and is one of only three head coaches to win both a college football national championship and a Super Bowl, the others being Jimmy Johnson and Pete Carroll.
ground_truth: Bill Cowher