I like his humble, collaborative attitude, befitting a true scientist.
I expect that, in practice getting there in a repeatable way will be the result of various international cooperations where different organisations will bring their own skills. Empahy and dialogue can only accelerate the process.
He is no longer a scientist. He is a bureaucrat, now, so he is faced with problems where the scientific method and its associated toolbox are sub-optimal, as are his attitude of cooperation and collaboration. They are still useful, to be sure, but he will get more use out of a couple chapters of Machiavelli's The Prince than Newton's entire Principia.
The NASA director's primary challenge is to find compromises acceptable to groups of people who have divergent goals. Congress, DoD, private industry, various scientific orgs -- all of these have claims on, and thus have influence over, NASA's ability to function. Unfortunately for the director, their goals are not the same and are often opposed.
For example, the chair of the House sub-committee that controls NASA's budget, Representative Lamar Smith (R, Texas) denies the existence of AGW and has threatened to withhold funding from NASA if NASA continues to support projects that investigate it. Smith has already dismissed science-based reports on AGW as "biased" and has set up a committee funded by and staffed by the petroleum industry to "review" all AGW data before it is presented to Congress. In a bucket, if the man controlling your funding denies the very existence of what you are trying to investigate, then no amount of cooperation and collaboration on your part is going to produce anything but incredulity and anger on his part, so your funding will evaporate.
This is just one sample of some of the problems NASA's director faces. There are others, similar in scope and nature, including the conflict among scientists and engineers over manned vs unmanned exploration, and the re-emerging conflict over extraplanetary colonization now that Elon Musk has decided to colonize Mars. None of these problems are unsolvable, but they may not be amenable to collaboration or compromise, or yield to the scientific method. They may require a different set of tools and a different mind set, ones more often to be found in career civil servants, IMHO, than in scientists or engineers. It will be interesting to see whom he appoints to various roles in his administration; I'd wager it will be people more familiar with Machiavelli than with Newton... :)