Pollack previously worked for the Conservation Law Foundation (CLF), the Greater Boston Institute, BlueWave Strategies, and Northeastern University before starting her position at MassDOT.

[5][6] Pollack began work with the Conservation Law Foundation as a sophomore at MIT, doing policy research on coal-fired power plants.

Pollack continued to work at the CLF after graduating from Harvard, rising to senior VP and acting president before departing in 2006.

[13] Pollack received criticism for lapses at Massachusetts Department of Transportation's Registry of Motor Vehicles (RMV) that led to a crash that killed seven people in 2019.

[2] Pollack has lived in Newton, Massachusetts, for over 20 years and is a strong advocate of car free transportation.