Title: 2012 New York Giants season
Content:  On February 10, Giants quarterbacks coach Mike Sullivan was hired as the new offensive coordinator of the Tampa Bay Buccaneers. Sullivan was with the Giants since the beginning of Tom Coughlin's tenure as head coach of the Giants, serving as the wide receivers coach from 2004 to 2009 and as quarterbacks coach from 2010 to 2011. The Giants offensive staff suffered another loss three days later (February 13) when assistant offensive line coach Jack Bicknell, Jr. was hired by the Kansas City Chiefs to be their offensive line coach. Bicknell was with the Giants the past three seasons.
Title: List of New York Giants head coaches
Content:  Howell in 1956, Bill Parcells in 1986 and 1990, and Tom Coughlin in 2007 and 2011. Steve Owen leads all-time in games coached and wins, and LeRoy Andrews leads all coaches in winning percentage with .828 (with at least one full season coached). Bill Arnsparger is statistically the worst coach the Giants have had in terms of winning percentage, with .200. Of the 20 Giants coaches, three have been elected into the Pro Football Hall of Fame: Benny Friedman, Steve Owen and Bill Parcells. Several former players have been head coach for the Giants, including Doc Alexander, Earl Potteiger, Benny Friedman, Steve Owen, Jim Lee Howell, and Alex Webster.
Title: List of New York Giants head coaches
Content:  The New York Giants are a professional American football team based in East Rutherford, New Jersey. They are members of the East Division of the National Football Conference (NFC) in the National Football League (NFL). The franchise was founded in and have played for 19 NFL championships. They have won seven World Championship Games (Super Bowl and NFL Championship games) and one NFL Championship by virtue of having the league's best record at the end of the season in 1927. There have been 21 head coaches for the Giants franchise. Five coaches have won NFL Championships with the team: Earl Potteiger in, Steve Owen in 1934 and 1938, Jim 
Title: 2015 New York Giants season
Content:  The Giants' most notable staff change involves their defensive coordinator position. Following the 2014 season the team fired Perry Fewell after five seasons. To replace him the Giants brought back Steve Spagnuolo, who had been the team's coordinator for the 2007 and 2008 seasons and who was most recently the secondary coach for the Baltimore Ravens.
Title: 2010 New York Giants season
Content: On January 4, 2010, the Giants fired first-year defensive coordinator Bill Sheridan after the Giants defense slipped as the team dropped 8 of their last 11 games and allowed 40 points on five occasions. On January 14 the team signed Perry Fewell, former interim head coach of the Buffalo Bills. ; On January 6, 2010, the Giants fired defensive line coach Mike Waufle, after a disappointing season by the Giants defensive line. On January 27 the team hired Robert Nunn to the position. Nunn was working as co-defensive line coach at the Tampa Bay Buccaneers. ; On January 29, 2010 the Giants quarterbacks coach Chris Palmer retired from the NFL to become the new head coach of the Hartford Colonials in the UFL. On February 12 the team moved wide receivers coach Mike Sullivan to quarterbacks coach. ; On February 12, 2010 the Giants moved wide receivers coach Mike Sullivan to quarterbacks coach. With this the team promoted offensive quality control coach Sean Ryan to the position. ; On February 22, 2010 the Giants hired Kevin Gilbride, Jr. to offensive quality control coach. 
Title: Mike Sullivan (American football coach)
Content:  On December 31, 2014, Sullivan was re-hired as the Giants quarterback coach, reuniting with his former team and quarterback, Eli Manning. Sullivan replaced Danny Langsdorf, who left to take the offensive coordinator job at Nebraska.
Title: Steve Spagnuolo
Content:  In January 2007, he was hired as the defensive coordinator for the New York Giants under head coach Tom Coughlin. He spent two years in New York, and was the architect of the aggressive defensive strategy against the New England Patriots (the highest scoring offensive team in NFL history at the time) in Super Bowl XLII, which was instrumental in the close victory by the Giants. Following the Super Bowl win and a great deal of praise, Spagnuolo's name was widely circulated for open head coach positions around the NFL. On February 7, 2008, he took his name out of consideration for the head coaching position of the Washington Redskins. The same day, the Giants made Spagnuolo one of the highest-paid defensive coordinators in the NFL with a new three-year contract, worth roughly $2 million a year.
Title: Super Bowl XXV
Content:  The defensive game plan for the Giants, written by then-defensive coordinator Bill Belichick, has been included in the Pro Football Hall of Fame. The Giants' triumph helped Belichick and wide receivers coach Tom Coughlin make their names and eventually land head-coaching jobs with the Cleveland Browns and Boston College, respectively. Currently, Belichick is head coach of the New England Patriots, while Coughlin went from Boston College to be the first head coach for the Jacksonville Jaguars, and spent 12 seasons as the head coach of the New York Giants before resigning in 2016. Giants head coach Bill Parcells retired shortly after winning his second Super Bowl with the Giants. However, he went on to coach three other teams since then: the New England Patriots (whom he helped bring to Super Bowl XXXI) 
Title: 2009 New York Giants season
Content: On January 19, 2009, after 4 years as linebackers coach, the Giants promoted Bill Sheridan to defensive coordinator as replacement to Steve Spagnuolo who was hired by the St. Louis Rams as their new head coach two days earlier. ; On January 22, 2009, the Giants hired Jim Herrmann as new linebackers coach. He spent the last three years at the same position in the New York Jets. Herrmann is the replacement of Bill Sheridan, who was promoted to defensive coordinator. ; On January 23, 2009, the Giants hired Jack Bicknell, Jr. as new assistant offensive line coach. He spent the last two years as offensive line coach for Boston College. Bicknell succeeds Dave DeGuglielmo, coach between 2005 and 2008, who left the Giants to become the new offensive line coach of the Miami Dolphins. ; On February 9, 2009, the Giants hired Al Holcomb as the new defensive quality control coach. He spent the last three years as defensive line coach in the Lafayette College. Holcomb succeeds Andre Curtis, who left the Giants to become the new safeties coach in the staff of Steve Spagnuolo at the St. Louis Rams. 
Title: List of San Francisco Giants managers
Content:  The San Francisco Giants are a Major League Baseball team that plays in the National League Western Division. Since their inception as the New York Gothams in 1883, the Giants have employed 37 managers. The duties of the team manager include team strategy and leadership on and off the field. The franchise's first manager was John Clapp, who managed the team for one year before being replaced in 1884 by Jim Price. The New York Giants won two World Series championships during the 19th century, in 1888 and 1889, with Jim Mutrie as their manager both years. John McGraw became the Giants' manager during the 

Question: who is the coach of the sf giants?
Answer: Tim Flannery.