At V&A, we’re proud to have built an extraordinary team combining comprehensive applied experience with a genuine commitment and passion in providing clients with grade-A services resulting in the best possible solutions.


Our culture attracts and retains some of the best people in the industry and fosters a passionate commitment to transparency, teamwork, and integrity. This offers our clients the kind of efficient, innovative service, and responsive solutions they’ve come to expect.


V&A Key Staff


 

José Villalobos, PE
Founder
Strategic Marketing Office

Education

  • M.S., Civil Engineering, Stanford University, 1974

  • B.S., Civil Engineering, California State University –
    Los Angeles, 1972

 

 

registration

  • Corrosion Engineer, CA (CR1006)

  • Civil Engineer, CA (C26659)

  • Civil Engineer, TX (015884)

  • Civil Engineer, NV (79525)

  • Civil Engineer, OR (91708PE)

  • Founded V&A: 1979

Total Years Experience: 44 years

Training and certifications

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Publications

  • “Corrosion and Corrosion Control for Wastewater Treatment Plants, ASM International Volume 13B, 2007

  • "Causes and Control of Deterioration,” Ch. 18 of Standard Handbook of Plant Engineering, Sec. Ed., McGraw Hill, 1994

  • "Remote Monitoring Technology Comes of Age for Pipelines", Pipeline & Gas Journal, March 1998

  • Condition Assessment of 7 Force Mains for Clark County Water Reclamation District, Jose L. Villalobos, P.E., ASCE Pipelines 2013

  • "C-Factor Testing as a Condition Assessment Tool for Wastewater Force Mains”, Mike Johannessen, P.E., and Jose L. Villalobos, P.E., ASCE Pipelines 2014

  • “Third Party Inspection”, CoatingsPro 201

Jose is a licensed civil and corrosion engineer with nearly 45 years of experience working primarily in the water and wastewater industry with a focus on Corrosion, Condition Assessment, Flow Monitoring, Odor Control and Asset Management. He has completed projects for municipal infrastructure, including water and wastewater conveyance, treatment and storage facilities.


Debra Kaye, PE
President
Principal-in-charge

Education

  • B.S., Civil Engineering, University of Nevada,
    Reno, 1996

registration

  • Civil Engineer, CA (77221)

  • Civil Engineer, NV (014881)

JOINED V&A: 2015
TOTAL YEARS OF EXPERIENCE: 34 YEARS

TRAINING AND CERTIFICATIONS

  • Grade IV Water Treatment Plant Operator, NV

  • Grade IV Water Distribution Operator, NV

  • Grade III Water Treatment Plant Operator, CA

  • Grade III Water Distribution Operator, CA

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Debra brings valuable insight to project management based on a diverse background
of more than 24 years of her career employed by investor- and publicly-owned water utilities, along with eight years working as a consultant to utilities. She has 13 years of field experience in water treatment and distribution operations as a certified operator, has worked as a planning and design engineer, and an agency General Manager. 


CHRISTOPHER D. HUNNIFORD, PE
Sr. project manager
Texas regional manager
HOUSTON OFFICE

Education

  • B.S., Chemical Engineering,
    University of South Florida, 2005

registration

  • Professional Engineer, TX (107411)

 

JOINED V&A: 2010

TOTAL YEARS OF EXPERIENCE: 13 YEARS

TRAINING AND CERTIFICATIONS

  • National Association of Corrosion Engineers (NACE) – Cathodic Protection Technician – CP2

  • Basic CPR/First Aid

Publications

  • “Positive Feedback: Odor Control & Asset Management”, Water Environment Federation (WEF), 2014

  • "Ventilation Dynamics and Pressurization in Deep Tunnels”, WEF, 2012

  • Fan Testing”, Water & Environment Technology, March 2012

  • "Fan Testing: Determining the Most Effective Size and Location of Odor Control Facilities,” Water Environment Federation (WEF), 2011

  • "Analysis of Ventilation and Odor Control for Wastewater Tunnel Systems,” Water Environment Association (WEA) of Texas, 2011

  • “Proof Positive Ventilation Dynamics: Confirming Airflows in Pressurized Sewer Networks,” WEF, 2009

  • “Controlling Odour and Corrosion in the Collection System: Region of Peel’s Trunk Sewer Odour and Corrosion Control Master Plan,” WEF, 2008

  • “The Zone of Influence: Fan Testing on the Region of Peel Trunk Sewer System,” WEA of Ontario, 2007

Chris has over 10 years of experience in the field of water and wastewater odor and corrosion engineering. His project expertise includes solving a variety of odor and corrosion issues in municipal water and wastewater systems, including collection, distribution and treatment systems. He has performed the analysis and design of odor control solutions, conducted confined space entry investigations of wastewater infrastructure, including deep tunnel condition assessments, and has managed the design of cathodic protection systems on water transmission pipelines. He has also conducted numerous corrosion engineering field surveys, including soil resistivity testing and rectifier monitoring. He has been the author on a number of technical papers regarding the subject of collection system odor control and ventilation dynamics. Chris serves as the chair of the WEAT Air Quality & Odor Control Committee.


GLENN WILLSON, PE
Principal-in-charge
Regional Manager Northern California
OAKLAND OFFICE

EDUCATION

  • B.S., Ocean Engineering with emphasis on corrosion and materials, Florida Atlantic University, 1982

 

 

registration

  • Corrosion Engineer, CA (CR1076)

  • Civil Engineer, CA (C57739)

  • Civil Engineer, HI (11304)

  • Civil Engineer, AZ (42971)

  • Civil Engineer, OR (77410)

  • Civil Engineer, WA (45578)

  • Civil Engineer, UT (7239718-2202)

JOINED V&A: 1993

TOTAL YEARS OF EXPERIENCE: 36 YEARS

TRAINING AND CERTIFICATIONS

  • National Association of Corrosion Engineers (NACE)

  • Level II Training for Coating Inspection

  • Supervisor for Lead Coating Removal Projects

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Glenn is a licensed civil and corrosion engineer with more than 35 years of experience in cathodic protection, coatings and condition assessment engineering for municipal infrastructure. His experience includes the protection of tanks, storage systems, and potable water/wastewater transmission lines for municipal and private owners. Glenn is experienced in the evaluation of existing cathodic protection and coating systems, corrosion control testing of transit alignments, pipeline and tank rehabilitation, flow monitoring, light rail transit and construction inspection.


KIM COSTA
controller

Kim has been with V&A for more than 25 years and oversees Accounting and Finance, Human Resources, and regulatory compliance.


Chris Sheldon, PE
Corrosion Engineering Technical Lead

registration

  • Licensed Professional Engineer: TX, NY, PA

Chris has 20 years of corrosion control experience relating to cathodic protection. He has exceptional leadership skills with an extensive knowledge of utility corrosion control including engineering design, construction, and project management. Chris has proven technical support skills managing a wide variety of groups and teams while developing best practices and he is dedicated to providing high quality results and meeting schedules at the lowest cost.


Oakland Office

1000 Broadway, Ste 320, Oakland, CA 94607


Angel Mejia, PE, PMP
PROJECT MANAGER

EDUCATION

  • Bachelor of Science, Civil and Environmental Engineering (Structural Emphasis), University of California,

  • Berkeley, 2002

REGISTRATION

  • Registered Professional Engineer, Civil, California, C68949

  • Registered Project Management Professional
    (PMP), 2121936

JOINED V&A: 2015
TOTAL YEARS OF EXPERIENCE: 15 YEARS
TRAINING AND CERTIFICATIONS

  •  Building Code Knowledge: IBC 2015, ASCE 07‐10, ACI 318-11, AISC ASD/LRD, National Design Specifications (NDS) for Wood Construction

  • Confined Space Entry Certified

  • CPR with AED & First Aid Certified

PROFESSIONAL SUMMARY

Angel Mejia has over 15 years of experience as a structural engineer and project manager in the planning, design, construction of residential, commercial, military training, and telecommunication facilities. During his employment at V&A Angel has used his structural engineering and project management experience to contribute to the condition assessment and flow monitoring practice areas. 


KEVIN KRAJEWSKI, PE
SENIOR PROJECT MANAGER

registration

  • Licensed Mechanical Engineer: CA

As practice leader, Kevin brings more than 17 years of experience in flow monitoring, smoke testing, inflow and infiltration (I/I) analysis, condition assessment, and design of sanitary sewer facilities and collection systems. He has conducted more than 1,000 flow monitoring projects for multiple municipalities and agencies throughout California. Kevin is also a nationally-recognized expert in his field and has extensive knowledge on the processes and procedures required.


MANUEL NAJAR, PE
COATING SYSTEMS MANAGEMENT Technical lead

registration

  • Licensed Chemical Engineer: CA

Manny is our coating systems management practice leader. He has more than 12 years of coatings experience and has been involved with the condition assessment of coating and lining systems for metal and concrete structures including digesters, pipelines, tanks, and other appurtenances for water and wastewater facilities. He is a NACE Level 2 Coatings Inspector and has been involved with plant-wide coating systems management and standard coating design specifications for multiple municipalities.


Mark Q. Tam
ASSISTANT ENGINNER

  • Assistant Engineer

Education

  • A.A., Engineering Drafting, Laney College, CA 1986
    Engineering Fundamentals, Review of General Engineering, University of California-Berkeley Extension

Joined V&A: 1986

Total Years of Experience: 35 years

Training and certifications

  •  National Association of Corrosion Engineers (NACE) Cathodic Protection Technician – CP2

  • AutoCAD LT13 for Windows

  • Confined Space Entry-Certified

  • Basic CPR/First Aid

professional summary

Mark has nearly 34 years of experience in the design of cathodic protection systems including field testing, data analysis, and preparation of design calculations, plans, details and cost estimates for impressed current and galvanic anode systems. Mark provides submittal review and field observation services during the construction and installation of the systems he has designed. 


Chelsea Teall, PE, Env SP
Project Manager

education

  • B.S., Chemical Engineering and
    Materials Science & Engineering (Double Major),
    University of California-Berkeley, 2008

registration

  • Metallurgical Engineer, CA (MT1978)

Joined V&A: 2015
Total Years of Experience: 14 years

training, certifications, and Memberships

  • National Association of Corrosion Engineers (NACE) Cathodic Protection Technologist – CP3

  • Envision Sustainability Professional (ENV SP)

  • Confined Space Entry-Certified

  • Basic CPR/First Aid

  • NACE International – The Corrosion Society

  • The Society for Protective Coatings (SSPC)

Technical Publications / Presentation

  • Silver Ion Mediated Shape Control of Platinum Nanoparticles: Removal of Silver by Selective Etching Leads to Increased Catalytic Activity, Journal of Physical Chemistry, March 8, 2008.

  • Wafer-fused n-AlGaAs/p-GaAs/n-GaN Hetero-junction Bipolar Transistors, Presented at Southern California Conference on Undergraduate Research at UC Irvine, November 22, 2003.

Professional Summary

Chelsea is a project manager, chemical engineer, and materials engineer with thirteen years of experience related to design, reliability, product engineering, and research with a focus on corrosion, failure analysis, and testing. She is a Professional Engineer (P.E.) in metallurgy. Chelsea successfully manages simultaneous projects, keeping them on time and on budget by efficiently allocating resources. Chelsea also designs cathodic protection systems for water and wastewater pipelines, storage facilities, and plants. She has a strong background in the solar industry where she collaborated with multi-disciplinary teams to develop cutting edge and high performing products, contributing her expertise on structural materials and corrosion, experimental design, and financial analysis. She also brings past experience from the biodiesel industry, performing analysis on feedstock efficiency, and the semiconductor industry, doing failure analysis and process engineering on infrared detectors.


Matthew H. Snow, EIT
Associate Engineer

education

  • B.S., Civil Engineering, San Diego
    State University, CA, 2013

registration

  • Engineer in Training, CA (EIT 149026)

Joined V&A: Intern position March 2013;
Full-time position June 2013

Total Years of Experience: 5 years

training, certifications, and Memberships

  • National Association of Corrosion Engineers (NACE) International CP3 Cathodic Protection Technologist

  • Basic CPR/First Aid

  • Confined Space Entry-Certified

Technical Publications / Presentation

  • “Two for the Price of One”, ASCE Pipelines Conference 2016

Professional Summary

Matt received his bachelor’s degree in Civil Engineering from San Diego State University in 2013. During his final year of school, Matt completed an internship with the City of San Diego’s Corrosion Sector where he was exposed to the basics of corrosion engineering and cathodic protection. Matt began his career with V&A as an intern in corrosion engineering. Since then, he has broadened his scope of knowledge. Working throughout multiple practice areas, he has experience in conducting field tests including pipe-to-soil potential surveys, current requirement testing, electrical continuity testing, and soil resistivity measurements. Matt is a certified engineer in training and recently certified NACE International CP3 Cathodic Protection Technologist.


Michael Johannessen, PE
Project Engineer

education

  • B.S., Mechanical Engineering,
    University of California-Berkeley, 2009

registration

  • Mechanical Engineer, CA (M36546)

Joined V&A: Intern position 2006; Full-time position 2009
Total Years of Experience: 12 years

training, certifications, and Memberships

  • BEM NDT Level I (50275001)

  • National Association of Sewer Service
    Companies (NASSCO) Cured-in-Place Pipe
    Inspector (CIPP) 411-0546

  • Confined Space Entry Certified

  • Basic CPR/First Aid

  • Elsyca CatPro cathodic protection/stray current simulation software (CP/transit)

Technical Publications / Presentation

  • “C-Factor Testing as a Condition Assessment Tool for Wastewater Force Mains,” ASCE Pipelines Conference 2014

  • “The Case for Indefinite Life Facilities in Water and Wastewater Conveyance,” ASCE Pipelines Conference 2017

Professional Summary

With more than ten years of experience, Mike has been involved in a variety of projects including condition assessment, flow monitoring, inflow/infiltration analysis, structural evaluation and pump station performance testing. He began his career with V&A as a part-time intern and is now a full-time project engineer working throughout all of the practice areas within V&A.


Nicole Kwan, PE, ENV SP
Associate Engineer

education

  • M.S., Environmental Engineering,
    University of California Berkeley, California, 2014

  • B.S., Civil and Environmental Engineering
    with emphasis on Urban Infrastructure, Reliability and Management,

  • Rice University, Texas 2011

registration

  • Civil Engineer, CA (C86828)

Joined V&A: 2014
Total Years of Experience: 5 years

training, certifications, and Memberships

  • Envision Sustainability Professional (ENV SP)

  • Confined Space Entry

  • Basic CPR/First Aid

  • Water Survival/HUET/METS

Professional Summary

Nicole is part of our cross-functional teams; including flow monitoring, condition assessment and asset management. Her experience includes the sustainable development of water/ wastewater pipe networks and treatment plant components. Prior to her masters, Nicole also worked as a geotechnical technician and structural associate engineer.


Noy Phannavong, PE
Project Manager

education

  • B.S., Civil Engineering,
    University of California-Davis, 2007

registration

  • Civil Engineer, CA (79592)

Joined V&A: 2007
Total Years of Experience: 11 years

training, certifications, and Memberships

  • National Association of Sewer Service Companies (NASSCO) PACP Pipeline Assessment Certification Program (U-208-6264)

  • NASSCO MACP Manhole Assessment Certification Program (U-815-07000854)

  • NASSCO ITCP Inspector Training Certification Program (MR-713-0046)

  • NASSCO CIPP Cured-in-Place Pipe Inspector (CIPP-1008-0103)

  • Occupational Safety & Health Administration (OSHA)
    10-hour Construction Safety

  • Basic CPR/First Aid

  • Confined Space Entry-Certified

Professional Summary

Over the past 11 years, Noy has been involved in water and wastewater infrastructure condition assessment projects. His duties include planning and executing projects, collecting and analyzing data, conducting engineering evaluations, and preparing engineering reports and rehabilitation design documents. He is well versed with various condition assessment tools for collecting data in the field as well as the data analysis aspects in the office. With his unique field experience in evaluating water transmission systems, sanitary sewer and storm water collection systems, pump stations, and treatment facilities, Noy assists clients in solving unique challenges of preserving water and wastewater infrastructure.


Oliver Pohl, PE
Sr. Project Engineer

education

  • B.S., Materials Engineering,
    California Polytechnic State University, 2000

registration

  • Civil Engineer, CA (C81226)

Joined V&A: 2007
Total Years of Experience: 17 years

training, certifications, and Memberships

  • BEM NDT Level I (50275003)

  • Non-Destructive Testing Level 2 (UT, PT, MT)

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Professional Summary

Oliver has a wealth of experience in non-destructive testing, stemming from a three-year assignment in the inspection of refineries, bridges and amusement parks. This experience and the practical education garnered at Cal Poly helped lay the groundwork for his current career with the flow monitoring and condition assessment divisions at V&A.


Sara Schaab
Assistant Engineer

education

  • B.S., Civil Engineering,
    California State University, Northridge, 2017

Joined V&A: 2017
Total Years of Experience: 2 years

training, certifications, and Memberships

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Professional Summary

Sara has been involved in a variety of projects including condition assessment, flow monitoring, and cathodic protection field testing. She began her career with V&A full-time immediately following her completion of her Civil Engineering degree at CSU Northridge. Sara has expertise in creating traffic control plans/submitting encroachment permits for upcoming jobs, generating detailed plans and drawings related to cathodic protection, conducting field tests for electrical continuity, installing flow meters, and assessing condition on digester tanks.


San Diego Office

11011 Via Frontera, Suite C, San Diego, CA 92127


Brian Briones, PE
Project Manager

education

  • B.S., Civil and Environmental Engineering,
    San Diego State University, 2002

registration

  • Civil Engineer, CA (C68474)

Joined V&A: 2016
Total Years of Experience: 15 years

training, certifications, and Memberships

  • NACE - Basic Corrosion Certification

  • National Association of Sewer Service Companies (NASSCO) Pipeline Assessment Certification (PACP

  • U-216-07002781

  • National Association of Sewer Service Companies (NASSCO) Manhole Assessment Certification (MACP)

  • U-216-07002781

  • National Association of Sewer Service Companies (NASSCO) Lateral Assessment Certification (LACP)

  • U-216-07002781

  • Confined Space Entry Certified

  • Basic CPR/First Aid

Technical Publications / Presentation

  • “Condition Assessment Methods for Lock-bar Steel Pipe”, ASCE Pipelines Conference 2015

Professional Summary

Brian is licensed as a civil engineer with more than 15 years of experience working in condition assessment and design of water and wastewater facilities. He has completed projects throughout Southern California including planning, design, and condition assessments of large-diameter pipelines, pump stations, water treatment, water storage, and pressure control/hydroelectric facilities.


Clinton McAdams, PE, ENV SP
Project Engineer

EDUCATION

  • B.S., Civil Engineering, California State
    University - Chico, 2013

  • Study Abroad Program (Civil Engineering/
    Swedish Language), Linnaeus University -
    Växjö, Sweden, 2010-2011

  • Design Project (Industrial Wastewater Treatment), Universidad De San Carlos - Guatemala City,
    Guatemala, 2013

REGISTRATION

  • Civil Engineer, NV (024998)

  • Civil Engineer, CA (C 88281)

JOINED V&A: 2013
TOTAL YEARS OF EXPERIENCE: 5 YEARS

TRAINING, CERTIFICATIONS, AND MEMBERSHIPS

  • Envision Sustainability Professional (ENV SP)

  • Broadband Electro-Magnetic (BEM)
    NDT Level I (50275002)

  • National Association of Sewer Service Companies (NASSCO) Pipeline, Manhole, and Lateral Assessment and Certification Program (PACP, MACP, LACP) Cert. No. U-114-0619893

  • Confined Space Entry-Certified

  • CPR, AED, and Basic First Aid

  • Cal Flagger

  • Cal Practical Trenching

  • 100% Fall Protection

PROFESSIONAL SUMMARY

Clinton interned with V&A during the summer of 2012 and upon graduation became a full-time employee. He continues to gain the knowledge needed to be a part of our cross-functional teams and has experience in Condition Assessment, Flow Monitoring, Corrosion Engineering, and Structural Rehabilitation.


Jenna Mariano
Assistant Engineer

education

  • B.S., Environmental Engineering,
    San Diego State University, 2014

Joined V&A: 2016
Total Years of Experience: 3 years

training, certifications, and Memberships

  • Auto CAD

  • ArcGIS

  • SolidWorks

  • Confined Space Entry Certified

Organizations

  • American Water Works Association (AWWA)

  • Engineers Without Borders (EWB)

  • American Society of Civil Engineers (ASCE)

Professional Summary

Jenna joined V&A as an Assistant Engineer and brings knowledge on water and wastewater treatment design and technology. She is a member of our cross-functional team and continues to gain knowledge and experience with flow monitoring, condition assessment, and corrosion engineering. She is very active in the American Water Works Association (AWWA) and is currently the Chair of the Young Professionals Committee.


Michael Sherman
Engineering Assistant

Joined V&A: 2003
Total Years of Experience: 15 years

training, certifications, and Memberships

  • National Association of Corrosion Engineers (NACE) CP2 Cathodic Protection Technician

  • SSPC C1 Protective Coatings for Industrial Structures – Technician

  • NATEC DET Intermediate & Organization Level Battery Familiarization

  • NACE Western States Corrosion Program

  • New Horizons Access Level 1 Database Management

  • Confined Space Entry Certified

  • Basic CPR/First Aid

  • Safety C1 Working Around Mobile Equipment -5193042

  • Safety C1 Trenching and Excavation Awareness – 5193041

  • Safety C1 Jobsite Safety Orientation - 5193040

Professional Summary

Michael has more than 14 years of experience working as a field technician within the water
and wastewater infrastructure industries. In addition, he is a GIS specialist, NACE-certified Cathodic Protection Technician, Level 2 (CP2) and has excelled in navigating the platforms involved with creating and modifying databases. Michael has an excellent reputation for maintaining client management databases; is responsible for V&A’s in-house data management program and communication transfer to all field staff.


Texas Office

1718 Fry Road, Suite 210, Houston, TX 77084


Brian Huang, EIT
Associate Engineer

education

  • B.S., Civil & Environmental Engineering,
    University of Maryland, 2010

registration

  • Engineer in Training, TX (45883)

Joined V&A: 2011
Total Years of Experience: 7 years

training, certifications, and Memberships

  • National Association of Corrosion Engineers

  • (NACE) Cathodic Protection Technician (CP2 38983)

  • Confined Space Entry-Certified

Professional Summary

As a team member of our Odor Control Division, Brian has experience in field testing, confined space entry, and data analysis, including hydrogen sulfide and differential pressure monitoring, as well as sulfide generation and ventilation modeling. He has participated in a variety of wastewater monitoring studies including condition assessment, flow monitoring, and odor control investigations. Brian also has experience with closed circuit television (CCTV) review and analysis and cathodic protection analysis. Brian has experience evaluating hydraulic conditions and developing engineering recommendations related to CMOM programs.


Christopher Sheldon, PE, CIP1, CP4
Sr. Project Manager

education

  • B.S., Pennsylvania State University, Structural Design
    and Engineering Technology, 1985

  • A.A.S, State University of New York, Delhi
    Associate in Applied Science, Civil Technology, 1983

registration

  • Professional Engineer, TX (112184)

  • Professional Engineer, PA (047312E)

  • Professional Engineer, NY (076583)

Joined V&A: 2015
Total Years of Experience: 33 years

training, certifications, and Memberships

  • CP4 –NACE Cathodic Protection Specialist

  • CIP Level 1 – NACE Coating Inspector

  • Confined Space Entry-Certified

Technical Publications / Presentation

  • NACE 2004, Co-authored white paper and presented at Buffalo, NY NACE conference - AC mitigation on Gas Transmission Pipeline

  • NACE 2015, Authored white paper and presented at NACE national conference in Dallas, TX – AC mitigation grounding study/comparison

Professional Summary

Chris has over 32 years of experience, specifically 25 of those in the area of corrosion control relating to cathodic protection. He has exceptional leadership skills with an extensive knowledge of utility corrosion control, including engineering design, construction, and project management. Proven technical support skills managing a wide variety of groups and teams while developing best practices. Dedicated to providing high quality results and meeting schedules at the lowest cost.


William Pester, EIT
Assistant Engineer

education

  • B.S., Mechanical Engineering,
    LeTourneau University, 2012

registration

  • Engineer in Training, TX (54326)

Joined V&A: 2016
Total Years of Experience: 2 years

training, certifications, and Memberships

  • Confined Space Entry Certified (000011177636)

Professional Summary

Experienced performing quality assurance in high paced manufacturing environments within the automotive and aerospace industries.