Herb Lester Associates (COR)
（9）
Dale Carnegie & Associates (COR)
（6）
Dale Carnegie &. Associates
（5）
Gary C. (The Gladstone Institutes Howard San Francisco California USA),Matthew R. (Bell & Associates Kaser San Francisco California USA)
（3）
Gary H. Cassel (Ruxton Tower Eye Associates)
（3）
Performance Research Associates
（3）
Caldwell, Beth (Caldwell Management Associates, Massachusetts, USA),Lieberman, Robert,LeBel, Janice,Blau, Gary M.
（2）
Daniel (Daniel Bloom & Associates Bloom Inc. Largo Florida USA)
（2）
Daniel Prior,Francis (Francis Buttle Associates Buttle Australia),Stan (Cranfield University Maklan UK)
（2）
Dennis (Applied Research Associates Grady USA)
（2）
Dezan Shira & Associates (EDT)/ Chris Devonshire-ellis (EDT)/ Samantha L. Jones (EDT)/ Eunice Ku (EDT)
（2）
Dogan (Washington State University Gursoy USA),Francis (Francis Buttle Associates Buttle Australia),David Bowie
（2）
Donna D. (Speaker and Curriculum Consultant for Academic Nursing Programs； Founder Ignatavicius Boot Camp for Nurse Educators； President DI Associates Inc. Littleton Colorado,United States),Rebar, Che
（2）
H. James Harrington,Frank (Strategy Associates Incorporated Voehl Coral Springs Florida USA)
（2）
Herb Lester Associates (EDT)/ Anna Hurley (ILT)
（2）
Herb Lester Associates (EDT)/ Matt Chase (ILT)
（2）
