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: Detroit Lions
Organization Active years

Number of head coaches 25
Total number of coaches 222
Average Tenure 3.38 years

Hal Griffin                                                                                  
George "Potsy" Clark                                                                            
Earl "Dutch" Clark                                                                                 
Gus Henderson                                                                                  
Bill Edwards                                                                                 
John Karcis                                                                                  
Gus Dorais                                                                              
Bo Mcmillin                                                                                
Buddy Parker                                                                             
George Wilson                                                                           
Harry Gilmer                                                                                 
Joe Schmidt                                                                             
Don Mccafferty                                                                                  
Rick Forzano                                                                                
Tommy Hudspeth                                                                                 
Monte Clark                                                                            
Darryl Rogers                                                                               
Wayne Fontes                                                                          
Bobby Ross                                                                               
Gary Moeller                                                                                  
Marty Mornhinweg                                                                                 
Steve Mariucci                                                                                
Dick Jauron                                                                                  
Rod Marinelli                                                                                
Jim Schwartz                                                                                  

Monte Clark Head Coach
Jimmy Raye
Billy Atkins
Don Doll
Doug Gerhart
Fred Hoaglin
Floyd Peters
Bob Schnelker
Marty Schottenheimer