A(n) is someone who is a catalyst in organizations to deal with old problems in new ways.

The answer is "change agent".

Organization development is an arrangement of methods for actualizing arranged change to make individuals and associations more powerful. Frequently Organization development is tried by a change agent, an advisor with a foundation in social sciences who can be a catalyst in helping associations manage old issues in new ways. OD can be utilized to oversee struggle, revive associations, and adjust to mergers.

The  ancient egyptians  who  built the pyramids  may have been  able  to move massive stone blocks across the desert by wetting the sand in front of a contraption  built  to pull the heavy objects