Coach Trees / Coaching Pedigrees - Searching the relationships between coaches
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Coach Trees was founded in 2009 with the intent of using software to document the relationships between coaches.
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Current selected organization: Oakland Raiders
Organization Active years

Number of head coaches 19
Total number of coaches 183
Average Tenure 3.63 years

Eddie Erdelatz                                                      
Marty Feldman                                                      
Red Conkright                                                       
Al Davis                                                     
John Rauch                                                     
John Madden                                              
Tom Flores                                               
Mike Shanahan                                                      
Art Shell                                                 
Mike White                                                      
Joe Bugel                                                       
Jon Gruden                                                    
Bill Callahan                                                      
Norv Turner                                                      
Lane Kiffin                                                      
Tom Cable                                                      
Hue Jackson                                                       
Dennis Allen                                                       
Jack Del Rio                                                       

Joe Bugel Head Coach
Dave Adolph
Fred Biletnikoff
Willie Brown
Garrett Giemont
John Guy
Bishop Harris
Robert Jenkins
Bill Meyers
Ray Perkins
Keith Rowen
Steve Shafer
Kevin Spencer
Rusty Tillman
Bill Urbanik
Fred Whittingham