1994 
Bart Perkins, CIO of Dole Food Company, launches the Preferred Vendor program to cut costs and eliminate redundant hardware and software purchases.  Saves over $1 million in the first year.

1995 
Scott Knell, a CSC-Index consultant, predicts that organizations will form and re-form supply chain partnerships on demand and begins to develop supporting portfolio management methodologies. 

1996 
Perkins becomes a founder of The Value Sourcing Group, a consultancy focusing on strategic supplier portfolio management.

1997 
Knell develops Technology Portfolio Management™ to prepare organizations for the transition to e-business.

1998
Perkins becomes CIO of Tricon Global Restaurants (Taco Bell, Pizza Hut, KFC); implements a Preferred Supplier program.  Saves millions of dollars for company and franchised stores while standardizing and improving service.

1998
Knell applies Technology Portfolio Management™ in multiple client engagements saving millions of dollars in IT spending.

2001 to 2008
Perkins and Knell found Leverage Partners and begin applying Technology Portfolio Management™ to help CIOs manage their IT assets.