Pamela Rosenberg, who will step down as general director of the San Francisco Opera this month to take a job with the Berlin Philharmonic, was as prominent a figure as an opera company can have at its head. A true music lover, Rosenberg nonetheless found herself battling financial troubles throughout her 5-year tenure in San Francisco. “Beset by a post-Sept.11 free fall in ticket revenues and contributed income, the sobering contraction of a local economy reeling from the dot-com collapse and a dangerously thin endowment fund, Rosenberg was forced to mandate one of the largest cutbacks in the company’s history… Embattled by financial woes and trying labor negotiations, Rosenberg was routinely blamed for problems that were largely beyond her control.”