Kammala jumla mai zuwa: A cikin 2006, bayan kammala karatunsa daga Jami'ar, Gubman ya haɗu, tare da mawaƙa Jeff Kurtenacker, waƙar waƙar don wasan bidiyo "Pirates of the Burning Sea", babban wasan kwaikwayo na kan layi wanda Flying Lab Software ya haɓaka kuma Sony Online Entertainment ya buga. Gubman sannan yayi aiki a matsayin mai tsara kwangila don "SomaTone Interactive Inc". da "Non-Stop Music". Tun daga wannan lokacin, an nuna aikinsa a daruruwan wasannin bidiyo (wanda yawancin sanannun gidajen software suka buga), tallan TV, fakitin labarai na TV, da sauransu. Abubuwan haɗin gwiwar Gubman sun haɗa da mawaƙa Traci Hines, mawaƙin violin Taylor Davis, mawaki Austin Wintory da "". A matsayin mawallafin kwangila, Gubman ya rubuta don watsa shirye-shiryen talabijin na NBC na
Wasannin Olympics na 2012, zaben shugaban kasa na 2012 da kuma bikin auren sarauta na 2011.