We summarize our latest observations of the nuclear star cluster in the central parsec of the Galaxy with the adaptive optics assisted , integral field spectrograph SINFONI on the ESO/VLT , which result in a total sample of 177 bona fide early-type stars . We find that most of these Wolf Rayet ( WR ) , O- and B- stars reside in two strongly warped eccentric ( < e > = 0.36 \pm 0.06 ) disks between 0.8 ” and 12 ” from SgrA* , as well as a central compact concentration ( the S-star cluster ) centered on SgrA* . The later type B stars ( m _ { K } > 15 ) in the radial interval between 0.8 ” and 12 ” seem to be in a more isotropic distribution outside the disks . We observe a dearth of late-type stars in the central few arcseconds , which is puzzling . The stellar mass function of the disk stars is extremely top-heavy with a best fit power law of \mathrm { d } N / \mathrm { d } m \propto m ^ { -0.45 \pm 0.3 } . Since at least the WR/O-stars were formed in situ in a single star formation event \sim 6 Myrs ago , this mass function probably reflects the initial mass function ( IMF ) . The mass functions of the S-stars inside 0.8 ” and of the early-type stars at distances beyond 12 ” differ significantly from the disk IMF ; they are compatible with a standard Salpeter/Kroupa IMF ( best fit power law of \mathrm { d } N / \mathrm { d } m \propto m ^ { -2.15 \pm 0.3 } ) . Max-Planck-Institute for Extraterrestrial Physics , Garching , Germany ^ { 2 } GRAAL-CNRS , Universit‚ Montpelier II - UMR5024 , Montpellier , France ^ { 3 } Department of Physics , University of California , Berkeley , USA ^ { 4 } Leiden University , Leiden Observatory and Lorentz Institute , , Leiden , the Netherlands ^ { 5 } LESIA , Observatoire de Paris , CNRS , UPMC , Université Paris Direrot , Meudon , France ^ { 6 } Faculty of Physics , Weizmann Institute of Science , Rehovot 76100 , Israel ^ { 7 } Department of Physics & Astronomy , University of Leicester , Leicester , UK ^ { 8 } Harvard-Smithsonian Center for Astrophysics , 60 Garden Street , Cambridge , USA ^ { 9 } School of Physics and Astronomy , Tel Aviv University , Tel Aviv 69978 , Israel ^ { 10 } IRAM Grenoble , F-38406 Saint Martin d ’ Heres , France .