Like lots of trainers, Gregg D'Andrea combines resistance training and cardio. But his one-on-one sessions are remarkable for two reasons: His high-intensity spinning workouts are more lively than the usual grind, and his big, buoyant personality (case in point: his rapper-style moniker, Gstar) means there's never a dull moment with this muscle man. RUNNER-UP: Patrick Allen, Equinox (Back Bay)
GStarFit, 55 Charles St. Needham, MA 781-444-7827 gstarfit.com
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