Who We Are
Zara Environmental was formed in 2003 by combining the independent consulting services of Jean Krejca and Peter Sprouse. Our staff includes experts with specialties ranging from endangered species and hydrogeology to regulatory compliance and cave exploration.
| Name (click for bio) | Title | Phone | |
| Rachel Barlow, M.S. | Biologist | rachel@zaraenvironmental.com | 512.217.2056 |
| Clover Clamons, M.S., P.G. | Geologist | clover@zaraenvironmental.com | 512.468.8319 |
| Brian Cowan, M.S., P.G. | Hydrogeologist | brian@zaraenvironmental.com | 512.632.8409 |
| Kellie Cowan | Office Manager | kellie@zaraenvironmental.com | 512.291.4555 |
| Jeanette Larsen | Biologist | jet@zaraenvironmental.com | 512.963.5103 |
| William Larsen | Field Supervisor | bill@zaraenvironmental.com | 512.906.5443 |
| Jean Krejca, PhD | President | jean@zaraenviromental.com | 512.294.8636 |
| Krista McDermid, M.S. | Biologist | krista@zaraenvironmental.com | 512.757.7676 |
| Cass Meyer | Geologist | cass@zaraenvironmental.com | 713.301.1264 |
| Peter Sprouse | Vice President | peter@zaraenvironmental.com | 512.415.2994 |
| Saj Zappitello, P.G. | Hydrogeologist | saj@zaraenvironmental.com |
512.565.5525 |
Certifications
Zara Environmental and its employees hold the following certifications, licenses, and permits:
TxDOT Precertifications
2.3.1 Wetland Delineation
2.6.1 Protected Species Determination
2.6.2 Impact Evaluation Assessments
2.6.3 Biological Surveys
2.5.1 WPAP
Business Certifications
Historically Underutilized Business
Woman Owned Business Enterprise
Disadvantaged Business Enterprise
Small Business Enterprise
SCTRCA
Licenses
Brian Cowan, Texas Professional Geoscientist 11180
Saj Zappitello, Texas Professional Geoscientist 10859
Zara Environmental, Texas Geoscience Firm 50365
Peter Sprouse, TDA Pest Control Applicator
Federal and State Permits
Rachel Barlow TE217655-1
Bill Larsen TE040341-0
Jean Krejca TE028652-0
Jeanette Larsen TE00294A-0
Peter Sprouse TE014168-1
Saj Zappitello TE 208531-1
Krista McDermid TE192229-0
Jean Krejca TPWD SPR-1010-166
Krista McDermid TPWD SPR-0608-082







