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A123 Systems

9joined from other companies13left for other companies
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Year by year

JoinedLeft

Each move is dated by when the person started the new job. Drag across years to see just that stretch.

Show as a table
YearJoinedLeft
201111
201210
201301
201411
201500
201610
201700
201821
201902
202014
202100
202202
202310
202400
202501
2026 (so far)00

Where people come from, and where they go

Joined A123 Systems fromLeft A123 Systems for

Insights

Level when they left
Count
Time here (average)
Mid-level
5
1.0 yrs
Senior
6
2.3 yrs

1 of 12 went on to found a company (8%).

Built from the public work histories of 144,279 engineers. Updated Oct 30, 2026.

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