Who invented CCPM?

Dr. Eliyahu Goldratt invented Critical Chain. He first published it in his book:

Goldratt, Eliyahu M. (1997) Critical Chain. Great Barrington, MA: North River Press

Larry Leach first put forth the title CCPM in an article in the Project Management Institute PM Journal:

Leach, Lawrence P. (June, 1999). Critical Chain Project Management Improves Project Performance. PMI: Project Management Journal, Volume 30, Number 2.