Past Directors RCA (or equivalent)
- Colonel S.T. Hatton MSM CD (Aug 19 – May 21)
- Colonel J.M.A. LaFortune CD (Dec 16 – Aug 19)
- Colonel T.J. Bishop OMM MSM CD (Mar 14 – Dec 16)
- Colonel L.C. Dalton CD (Feb 12 – Mar 14)
- Colonel B.W.G. McPherson CD (May 10 – Feb 12)
- Colonel D.D. Marshall OMM CD (May 08 – May 10)
- Colonel J.C.R. Lacroix CD (Jun 06 – May 08)
- Colonel R.D. Gunn CD (Jun 02 – Jun 06)
- Colonel S.J. Gillies CD (Aug 00 – Jun 02)
- Colonel M.D. Capstick CD (Jul 98 – Aug 00)
- Colonel D.W. Read CD (Jul 95 – Jul 98)
- Colonel J.D. Briscoe OMM CD (Jul 93 – Jul 95)
- Colonel G.J. Oehring CD (Jul 92 – Jul 93)
- Colonel M.K. Jeffery CD (Jul 91 – Jul 92)
- Colonel L.T.B. Mintz CD (Jul 89 – Jul 91)
- Colonel R.A. Dallaire OMM CD (Jul 88 – Jul 89)
- Colonel D.B. Walton OMM CD (Jul 86 – Jul 88)
- Colonel J.A. MacInnis CD (Aug 85 – Jul 86)
- Colonel D.B. McGibbon CD (Jul 83 – Aug 85)
- Colonel H.R. Wheatley CD (Jun 81 – Jul 83)
- Colonel R.P. Beaudry CD (Aug 80 – Jun 81)
- Colonel H.J. Stein CD (Jul 77 – Aug 80)
- Colonel J.A. Cotter CD (Jul 75 – Jul 77)
- Lieutenant-Colonel J.O. Ward CD (Acting Jan 75 – Jul 75)
- Colonel A. Sosnkowski CD (Jun 74 – Jan 75)
- Colonel D.H. Gunter CD (Jul 72 – Jun 74)
- Colonel D.W. Francis CD (Jul 69 – Jul 72)
- Colonel J.P. Beer MBE CD (Oct 65 – Jul 69)
- Colonel J.L. Drewry DSO CD (Nov 63 – Oct 65)
- Colonel E.G. Brooks DSO OBE CD (Aug 60 – Nov 63)
- Colonel H.W. Sterne MBE (Aug 57 – Aug 60)
- Colonel A.J.B. Bailey DSO OBE ED CD (Aug 54 – Aug 57)
- Lieutenant-Colonel G.P. Marriott ED CD (Acting Jan 54 – Aug 54)
- Colonel L.G. Clarke OBE (Sep 49 – Jan 54)
- Lieutenant-Colonel H.W. Sterne DSO MBE CD (Acting Nov 48 – Sep 49)
- Colonel J.S. Ross DSO (Jan 46 – Nov 48)
- Colonel W.E. Van Steenburgh (Nov 43 – Jan 46)
- Colonel S.E.E. Morres CD (Jul 42 – Nov 43)
Director of Technical Research
- Colonel G.P. Morrison CBE CD (Sep 40 –
Director of Mechanization and Artillery
- Lieutenant-Colonel N.O. Carr (Feb 36 –
Officer Administering Royal Canadian Artillery
- Lieutenant-Colonel C.V. Stockwell DSO (Sep 39 –
- Lieutenant-Colonel W.G. Hagarty DSO (Mar 34 – Sep 39)
- Lieutenant-Colonel J.C. Stewart DSO (Feb 30 – Mar 34)
- Colonel W.H.P. Elkins DSO (Nov 26 – Feb 30)
- Colonel L.A.G.O. Roy (Jun 22 – Nov 26)
- Colonel A.T. Ogilvie DSO (Oct 19 – Jun 22)