I know the first letter of the sought after management model:

 
 
ADAPT interview framework
Ingram, Thomas N.
  • period: 1995
  • country: United States
  • role: change agent and consultant
  • activity: analyse and reflect
  • topic: marketing & sales
 
AIDA sales funnel
St. Elmo Lewis, Elias
  • period: 1898
  • country: United States
  • role: consultant and manager
  • activity: analyse, implement, plan and reflect
  • topic: marketing & sales