ball of fire
demon
busy beaver
cracker
bosspot
highflyer
highflier
smooth operator
ambitionist
hardo
Olympian
trouper
taskmaster
grand poobah
go-getter
maximizer
eminence
jack of all trades, master of none
warrior
wannabe
fame whore
past master
thruster
mover and shaker
late bloomer
dudette
activist
hard-nose
downshifter
hard charger
not just a pretty face
bucking bronco
steely-eyed
hard-driving
inefficient
bossy pants
feather merchant
lazybones
deadheader
wisenheimer
wantrepreneur
bundle of energy
struggler
amateur
class act
hardhead
badass
senior
arriviste
worksy
optant
never-wozzer
butterfingers
eident
extraordinaire
votary
great gun
bootstrappy
hustler
schlub
lesser mortal
progressor
hired muscle
fighter
toiler
nonworkaholic
rooster
giant
beast
nonachiever
child of the manse
steely-nerved
aspirant
yeoman
associator
employable
dignitary
belly itcher
wizard
schlump
tough cookie
pushiness
inferior
slogger
enfant terrible
tough-guy
plodder
geek
steely-spined
opportunivore
very, very important person
flyer
weapon
great
flake
rainmaker
slob