Partners: network

Phillip Bailey, Sasha Harris-Cronin, Emily Anne Roos, Mark Roos, Sarah Beecher Roos, James Sallee, Samuel Wong

Active 1984-

Firm Notes

Phil Bailey and Mark Roos, friends since childhood, founded BBI, Engineering, Incorporated, in 1984 in San Francisco, CA. Thereafter, Sarah Roos and Sam Wong became early partners in BBI during the early 1990s.

Other partners were added in 2019: Jim Sallee, Sasha Harris-Cronin, and Emily Roos. By the 2020s, BBI had "...20 full time employees and additional regional crews hired based on project needs." (See BBI Engineering, Incorporated.com. "Our Story," accessed 09/02/2025.)

In 2025, BBI Engineering, Incorporated, had its office at 241 Quint Street, San Francisco, CA 94124.

PCAD id: 7147