The principle role of the Science Board is to advise the President and the Board of Trustees on matters of scientific strategy for the Institute. This advice includes identification of major new scientific directions for the Institute, identification and nomination of potential Resident and External Professors, and providing assistance to the President in review of the Institute's scientific programs. The Science Board performs a general advisory role to the President. Members are appointed by the President on the recommendation of the Science Board and normally serve for renewable three-year terms.