Terraphase Engineering Inc.: Detailed Company Information & Corporate Profile
Summary
Terraphase Engineering Inc., headquartered in Oakland, California, was founded in 2010 and employs between 200 and 500 professionals, generating annual revenue of $50 million to $100 million.
Specializing in eco‑management services, the firm delivers environmental remediation, geotechnical engineering, litigation support, stormwater design and testing, brownfield redevelopment, regulatory compliance, site assessments, industrial wastewater and groundwater treatment, and stormwater device testing. These capabilities enable clients to address complex environmental challenges with integrated, science‑driven solutions.
The leadership team includes Veronica Hadsell as Technical Editor/Proposal Coordinator; Arnab Chakrabarti, Vice President and Senior Principal Engineer; Miranda Bona, Dwayne Campeau, Alice Robinson, Emily Kwedor PG, Tracy Roth, I Scott Renneisen, Hanna Quinn, Karianne Staehlin, Serena Silva, Alisha, Charlane Gross, Nancy Elizabeth, Kaitlyn Paulisich, and Alex Yeager, who collectively steer project execution, client development, and environmental service delivery.
| Terraphase Engineering Inc. Website | terraphase.com |
| Industries | |
| Terraphase Engineering Inc. Headquarters Address | 1300 Clay St, Oakland, California, 94612 US |
| Company Size | 200-500 employees |
| Specialities & Services | Environmental Remediation, Geotechnical Engineering, Litigation Support, Stormwater Engineering and Design, Brownfield Redevelopment, Regulatory Compliance, Site Assessments, Industrial Wastewater/Groundwater Treatment, Stormwater Treatment Device Testing |
| Founded | 2010 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-09-16 |
Terraphase Engineering Inc. Org Chart
Chief Executive Officer
C-Level
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Terraphase Engineering Inc.'s workforce includes employees across a wide range of tenure levels.
25% have been with the company for 1 to 2 years17% have been with the company for 3 to 4 years25% have been with the company for 5 to 7 years17% have been with the company for 8 to 10 years17% have been with the company for more than 11 years
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Terraphase Engineering Inc. Corporate Information: FAQ
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