I. M. Pei
In 1953, Jacobson started working with I.M. Pei, joining him at I. M. Pei &amp; Partners, founded in 1955. He was a Partner in I. M. Pei &amp; Partners (which became Pei Cobb Freed &amp; Partners in 1989) from 1980–92. Jacobson was central to the following building projects in the US, mainly involving museums: