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Control Systems Engineering Expert Witnesses

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Ralph V. Wilhelm, PhD
President & Founder
16002 Colleton Ct.
Carmel Indiana 46033
USA
phone: 317-508-6866
fax: 317-571-0429
Ralph V. Wilhelm, PhD, has over forty years of industry experience in the Automotive Electronics Industry. Dr. Wilhelm is familiar with automotive electronic component technology and the supply-line management required not only producing suitable automotive components, but supervising the R&D, advanced engineering, forward technology development, sales, and product line management process from OEM to customer.

Dr. Wilhelm has worked in various technical and leadership roles to develop new products and complex systems from invention to production using both internal invention/development and external partnerships to achieve world-class automotive systems worldwide. In 2001, Dr. Wilhelm founded and established an automotive electronics consultancy focused both on automotive electronics suppliers doing business in North America and also support for expert witness litigation.

Litigation Support - Dr. Wilhelm works with both plaintiffs & defendants and their law firms in supporting claim construction, assisting with various expert reports and IPR documents, and providing appropriate depositions and court testimony.

Automotive Areas of Expertise:
  • Instrument Clusters
  • Automotive Primary and Secondary Displays
  • Center Stack Displays and Subassemblies
  • Human Factor Design & Guidelines
  • Automotive User Interfaces
  • Automotive Sensors & Transducers
  • Vehicle Telematics
  • Infotainment Systems
  • On-board & Off-board Diagnostics and Prognostics
  • Complex Safety Systems
  • Automotive Cameras & Multi Camera Vision Systems
View Dr. Wilhelm's Consulting Profile.
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V. Alan Werner, PE
PO Box 3041
Renton WA 98056
USA
phone: 425-765-3538
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V. Alan Werner, P.Eng, PMP, F.NSPE, holds multi-state professional registrations and has over 40 years of Mechanical Engineering experience in multiple venues with domestic and international clients.

Mr. Werner performs mechanical design projects relating to equipment installation, process design, or support structures. His consulting services specialize in those projects requiring engineering experience and skills in areas ranging from building exteriors to worker noise exposure with many other experiences between.

With specific expertise in Industrial Process Systems and Industrial Process Equipment, his industry experience spans district energy, plant boilers, pulp and paper, gypsum wallboard, cement production, food processing, brewing, and miscellaneous markets in all engineering responsibilities.

Using a proprietary thermodynamic model, Mr. Werner is able to replicate boiler and chiller systems to duplicate normal and off-spec operations. He has designed mechanical parts and machinery, some using unusual materials and/or features and has experience in worker sound exposure investigation and remediation, as well as "fence line" acoustical research. Professional licenses are in Washington, California, Florida, and British Columbia.

Litigation Support - Mr. Werner provides expert witness services to counsel for Plaintiff and Defense. His cases and expertise involve forensic failure analysis of:
  • Industrial Processes
  • Pumps
  • Fans
  • Heat Exchangers
  • Mixers
  • Specialty Equipment
  • Piping (safety devices, pipe support systems)
  • Pumps
  • Steam Production
  • Fluid Transfer
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    Time-Variable Systems, LLC
    Jamie Chapman
    Principal
    500 Throckmorton St.
    MS 2101
    Fort Worth TX 76102-3808
    United States
    phone: 6175138429
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    Jamie Chapman, PhD, provides more than 35 years of broad technical, engineering, operational and economic expertise in the areas of Renewable Energy and Power Conversion Systems. Service as Expert Witness and Expert Consultant to law firms and agencies.

    Dr. Chapman's experience includes research and development focused on the technologies needed to maintain leadership for the next, next generation of multi-megawatt wind turbine power plants, including turbulence detection by lidar and radar. His work in this area generated four patent disclosures.

    From 2004-2010, Dr. Chapman served as Associate Director of the Wind Science and Engineering Research Center at Texas Tech University. As part of the Senior Research Faculty, he was a principal in achieving $10 million in external funding to implement a wind energy research and education program. Dr. Chapman delivered a graduate-level course on wind turbine design, control, grid interface and economics and initiated Texas Tech's program on the integration of wind turbines with desalination systems.

    Dr. Chapman has provided national and international Expert Witness services in Patent, System Performance, Manufacturing Defects, and other litigation areas. In addition to his very broad technical background, Dr. Chapman is an excellent communicator, orally and in writing, of sophisticated and complex technological concepts.

    Currently the principal at Time-Variable Systems LLC, Texas and New York, Dr. Chapman's focus and areas of expertise include:
    • Innovative Electric Machines
    • Variable Speed Electric Generators
    • Marine Hydrokinetic Power Conversion Systems
    • Radar Sensing
    • Megawatt-scale Power Processing and Control via Power Electronics
    • Wind Turbines
    • Energy Storage
    • Rotary and Linear Electric Machines
    • Electronic Power Conversion
    • Control and Grid Interface
    View Dr. Chapman's Consulting Profile.
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    Tau Max Engineering
    William H. Pultar, BSME - ACTAR
    28 Berthel Lane
    Pelham NH 03076
    USA
    phone: 9787355226
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    William Pultar Human Factors Expert PhotoWilliam H. Pultar, BSME, ACTAR, is a Mechanical Engineer with over 20 years of experience in the field of Human Factors and Accident Reconstruction.

    Background Experience - Employed by the Massachusetts State Police for several decades, Mr. Pultar's duties have included the investigation of line of duty injuries, citizen complaints, cruiser crashes, and the use of force incidents. As Section Supervisor for the Northeast Team of the C.A.R.S. unit, he was responsible for the training of the Northeast Team members in newer aspects of total station technology and was consulted numerous times on the kinematics of motor vehicle crashes by the Essex, Middlesex, and Hampshire District Attorney’s Offices.

    Promoted to Lieutenant in 2010, Mr. Pultar was responsible and accountable for the supervision of A Troop personnel and the oversight of a geographical area that covers the northeast corner of Massachusetts and, as SCO, was put in charge of large high risk NIMS and crime related incidents such as the 2012 Beverly homicide and the Boston Bombing incidents.

    Litigation Support - While employed by the Massachusetts State Police, Mr. Pultar testified numerous times in Federal District, Massachusetts Superior, and District Courts as an expert in the kinematics, kinetics of motor vehicle crashes, and human factors involving crashes, and as an expert in the electronic imaging of Crash Data Recorders. His services are available to counsel representing both Plaintiff and Defendant.

    Areas of Expertise - William Pultar's expertise is in the Extraction of Electronic Data from Commercial Vehicle Engine Control Modules (CVEDM), motor vehicle crash data (CDR), restrain control module (RCM) and engine control modules (ECM) for all “supported vehicles. He currently has the only privately owned Hyundai and Kia download kits in New England. All of these modules are commonly referred to as vehicle “black boxes,” although they are NOT black boxes.

    Mr. Pultar also specialized equipment to measure Luminance (NOT illumination), electronic survey crash scene, and measure acoustical data (sound energy), such as backup alarms, sirens, etc.

    View William Pultar's Consulting Profile.
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    Rod Bergen and Associates (Audio / Video)
    Rod W. Bergen, PE
    Principal Engineer
    23939 Ventura Blvd.
    Calabasas CA 91302
    USA
    phone: 818-591-7896
    fax: 818-222-6911
    Rod Bergen is an Expert Witness and Consultant in the Design & Installation of Audio / Video Systems (home theater, boardrooms, etc) & related System Control Applications. He has managed the design & installation of residential & commercial electrical & related applications since 1975. Mr. Bergen is an experienced Expert witness, familiar with depositions & trial testimony.

    Degrees & Licenses: BSEE, Reg. Prof. Engr. (Control Syst.), Lic. Calif Contractor (Gen'I, Elect, HVAC & Plumb).

    Areas of Expertise:
    • Evaluation of Electrical System Performance
    • Installation Defects
    • Wiring Problems
    • Design Deficiencies
    • Incident Reconstruction
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    Robert O. Peruzzi, PhD, PE
    Forensic Engineer and Technical Consultant
    R. Peruzzi Consulting, Inc.
    719 Fourth Avenue
    Bethlehem PA 18018
    USA
    phone: 610-462-3939
    Robert O. Peruzzi, PhD, PE is a Licensed Professional Electrical Engineer with particular expertise in Mixed-Signal Integrated Circuits (MSICs). His subspecialty within this broad category is with Integrated Circuits (silicon chips) used for signal-processing.

    Dr. Peruzzi has a Wide ranging experience within the electronics industry, beginning with assembling, then repairing, and designing test equipment. He then moved on to integrated circuits, first testing, then designing subcircuits, and finally modeling and verifying large mixed-signal "systems on a chip".

    Dr. Peruzzi has been court qualified as an Electrical Engineering Expert. Areas of practice: Electronic and Electro-Mechanical Systems and Mixed Signal IC Patent Litigation . His services are available to attorneys for both Plaintiff and Defense.

    Areas of Expertise:
    • Design
    • Behavioral Modeling and Verification Expertise
    • Radio Frequency (RF)
    • Analog and Mixed-Signal Integrated Circuits
    • Systems-on-Chip
  • Circuit Analysis
  • Patent Analysis
  • ICs
  • Modules
  • Electro-Mechanical Systems
  • View Consulting Profile.
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    PPM
    Robert Predmore, PE
    Principal
    2625 S. Anica Lane
    Cottonwood AZ 86326
    USA
    phone: 928-202-2428
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    Bob Predmore Industrial Design Construction Expert PhotoRobert Predmore, PE, has spend over 45 years in Industrial Design and Construction, 33 years in High Technology, 30 years in Cleanroom Fabrication, and 25 years as an Owner/Consultant.

    Mr. Predmore has been responsible for major projects (>$100M) since early in his career with Aramco, then as Director for Motorola, President of PPM, Manager of Intel Global Construction, and now back as PPM, consulting for such clients as Microsoft, AGI, and a major new semiconductor company for projects in New York and Abu Dhabi. This continues to entail leading as direct manager to influence major programs, currently as a consultant advisor, with the goal of achieving a balance of scope, budget, and schedule with an enabling passion for quality and safety in construction and operations.

    Mr. Predmore has experience in all phases of site acquisition, process programming, funding, risk management, implementation of design through construction, and facility and process system commissioning into operations. He is noted for establishing solid program plans on the most advanced technology facilities ever built and integrating complex execution phasing strategies to transform R&D products into commercial capability. He has developed and taught courses in Project management at ASU and through CII.

    Litigation Support - Mr. Predmore has substantial experience with claims management and litigation, directing all owner projects within Aramco, Motorola Semiconductor, and Intel construction on worldwide projects. He provides direct expert witness consulting through his company PPM both on large complex litigation, leading a team of investigators, and on smaller cases involving cleanrooms and technical process driven cases direct for attorneys and defendants.

    Areas of Expertise:
    • Cleanrooms
    • Semiconductors
    • Hazardous Production Materials
    • Environmental Abatement Systems
    • Contracting Strategies
  • Design-Build
  • Market Driven Schedules
  • Owner Driven Change Orders
  • Risk Management
  • Project Organization
  • View Robert Predmore's Consulting Profile.
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    John C. Pfeiffer
    President
    2701 Lindsay Ave.
    Louisville KY 40206-222
    USA
    phone: 502-897-1630
    fax: 502-894-3894
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    John C. Pfeiffer, P.E. has a long history in accident investigation and forensic engineering service going back to before the company was founded. John C. Pfeiffer, P.E., principal engineer, has practiced in the field of forensic engineering since the early 70’s with over 175 investigations completed or still in process.

    Investigations cover a wide variety of causes from product failure, material properties, and software inadequacies to human errors. Experience includes electrical engineering, instrumentation, industrial process control and industrial automation engineering with in-depth experience in additional areas such as grounding, lightning protection, surge protection and power systems design. Also software based industrial systems such as programmable logic controllers and high level control systems. Performed many arc flash hazards analysis and other analysis. Primary experience is in industrial design. Besides assisting in investigations we can help in determining corrective action to prevent the reoccurrence of similar accidents.

    Published in professional journals.

    Works equally for the plaintiff and defense.

    Primary business - design of electrical systems for industry.

    Field of Expertise:
  • Arc Flash Hazards
  • Electrical Power
  • Electrocutions/shock
  • Industrial Control Systems
  • Control Software
  • Process Instrumentation and Control
  • Static Electricity/Lightning
  • Explosions
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    Ioannis Kanellakopoulos
    135 Cypress Point Rd
    Half Moon Bay CA 94019-8004
    United States
    phone: 4088501242
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    Dr. Kanellakopoulos is a technology leader with 25+ years of experience in R&D and engineering management in both academia and industry.

    He has designed and built telecom products such as DSL and Carrier Ethernet hardware and software, as well as a prototype fully automated electric vehicle. He has conducted applied research in adaptive control of nonlinear systems, with applications to automotive driver assistance systems (adaptive cruise control, blind spot monitoring, vehicle collision avoidance) and active suspensions. He has significant experience with international telecommunication standards (ITU-T SG15/Q4), and has directed collaborative projects with several automotive/truck manufacturers and vendors (Ford, Mercedes-Benz, DaimlerChrysler, Freightliner, Gentex, Visteon).

    His deep technical expertise in the areas of telecommunications and automotive driver assistance systems has allowed him to analyze patents and products in detail, and explain clearly (in expert reports, depositions, and court testimony) the main issues that the judge and jury need to comprehend in order to understand the essence of the case. His extensive educational experience allows him to help judges and jurors understand the topic they are dealing with, instead of confusing them with unnecessary technical details.

    After all, it takes excellent teaching skills and a deep understanding of a complex technical concept to convey the essence of that concept to non-experts without talking down to them.
    Ioannis Kanellakopoulos, PhD, et al
    Using a pedagogical style along with detailed proofs and illustrative examples, this book opens a view to the largely unexplored area of nonlinear systems with uncertainties. The focus is on adaptive nonlinear control results introduced with the new recursive design methodology--adaptive backstepping. Describes basic tools for nonadaptive backstepping design with state and output feedbacks.
    Ioannis Kanellakopoulos, PhD
    Abstract: A systematic procedure for the design of adaptive regulation and tracking schemes for a class of feedback linearizable nonlinear systems is developed. The coordinate-free geometric conditions, which characterize this class of systems, do not constrain the growth of the nonlinearities. Instead, they require that the nonlinear system be transformable into the so-called parametric-pure feedback form...
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    Matthew J. Hartley
    Available Nationally
    Arvada CO USA
    phone: 303-558-1542
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    Matthew J. Hartley is a noted expert in Lighting, Lighting Design, Product Development, AGI32, and Photometry He has been in the Lighting Industry for over 22 years. In that time, he has held positions in design, product management, customer service, and design engineering.

    Mr. Hartley has been employed by manufacturers, lighting software companies, and lighting agencies. He has immersed himself in different facets of the industry including indoor and outdoor lighting, safety and security, lighting and human health, and lighting standards.

    Mr. Hartley has been involved with several standard writing committees within the Illuminating Engineering Society of North America, producing over six standard documents. Since 1999, he has taught Lighting and Lighting Design to diverse groups, from students to seasoned lighting professionals.

    Litigation Support - With such diverse experience, Matthew Hartley brings a unique perspective to the legal industry. His has field experience with commissioning, field survey and verification, and troubleshooting of field designs and equipment issues. Mr. Hartley's services are available nationwide to attorneys representing plaintiff and defendant and include site reviews, written reports, depositions, and trial testimony as needed.

    Areas of Expertise:
    • Lighting Designs
    • Compliance
    • Photometric and Equipment Verification
    • Illumination
    • Interior Lighting
    • Street and Area Lighting
    • Lighting Control Systems
  • Light Fixture Construction
  • Lighting Survey
  • Lighting Installations
  • Premises Liability Lighting
  • Security Lighting
  • Insufficient Lighting
  • Lighting Accident Investigation
  • View Matthew Hartley's Consulting Profile.
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    Brian Huber
    8595 Columbus Pike, #222
    Lewis Center OH 43035
    USA
    phone: 740-816-9178
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    Brian Huber is a Machine Safety Expert with over 20 years of experience designing control reliable systems and risk assessment programs. He has attended OSHA Machine Guarding Schools 204 and 204A, OSHA Electrical Safety School 309A, OSHA 501, and the ASSE Workshops for ASP certification, NPFA 79 and 70E.

    A member of ASSE, Mr. Huber has been authorized by OSHA to conduct General Industry 10 and 30 Hour Training and has also been certified as a PMMI trainer. His expertise with machine guarding products has been recognized by major manufacturers of machine guarding products and he has advised on new product development and applications. Since 1996, he has been deeply involved in machine safety and has consulted with many companies to improve their machine safety programs.

    Litigation Support - Mr. Huber has a strong background in automation and control with additional experience in machine safety can provide the depth of knowledge needed to prevail in court. He provides expert witness services to help interpret ANSI and NFPA safety standard issues as well as OSHA regulations in Subpart O.

    Mr. Huber's services include advice, training, depositions, or court testimony. Training can be provided to law firm staff regarding Control Reliability, how circuits should work, and the frequent deficiencies of installed machine control circuits. Working examples of Control Reliable circuits, examples of proper and deficient products can be shown to interested parties.

    View Brian Huber's Consulting Profile.
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    James R. Fink, PE
    21 Purgatory Rd.
    Exeter RI 02822
    USA
    phone: 401-484-1546
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    James Fink Electrical Engineering Expert PhotoJames R. Fink PE., is currently president of Kleinholz Inc., a consulting engineering company. He has 23 years of experience with Electrical and Mechanical Systems and Products.

    Prior to Kleinholz Inc., Mr. Fink served as a professional engineer and manager at Thielsch Engineering company in Cranston, Rhode Island. As a degreed and licensed professional electrical consulting engineer and ex US Navy nuclear engineer, Mr. Fink has designed and overseen hundreds of electrical engineering projects and investigations. His research and development efforts have produced industry changing intellectual property in the electro-mechanical data center equipment sector.

    Mr. Fink serves as Chairman of the Rhode Island Electrical Code Committee and Chairman of the State Building Code committee, which result in continual periodic code training. These committees also hear all state building code appeals and disputes.

    Litigation Support - Today, James R. Fink continues to focus on electrical consulting and Forensic Engineering activities. As a licensed electrical professional engineer, expert witness, and seasoned public speaker, he has the technical aptitude to find the cause, and enjoys the challenge of providing simple explanations to the layperson.

    Mr. Fink understands evidentiary rules, and has the ability and experience to provide litigation assistance to lawyers, insurance companies, judges and owners. His expert witness services and investigative reports are provided as necessary to assist with insurance claims, legal challenges, and competitive disputes. To date, work has been approximately 55% for plaintiff, 45% for defense.

    Areas of Expertise:
    • Electrical Shock
    • Electrocution
    • Electrical Fires
    • Electrical Codes
    • HVAC
    • Batteries
    • Generators
    • UPS
    • Power Supply
    • Circuit Breakers
  • Power Quality
  • Data Centers
  • Electronics
  • Power Outages
  • Spikes
  • Surges
  • Blackouts
  • Computer Simulations
  • Critical Facility Downtime
  • Electronics Failure Mode Analysis
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    J&J Associates
    James J. Shields, PE
    1036 Cornell Avenue
    Drexel Hill PA 19026
    USA
    phone: 610-446-2215
    James-Shields-Fluid-Systems-Controls-Expert-Photo.jpg
    James J. Shields, PE - Mechanical Engineer

    Engineering & Consulting Services based on over 45 years experience in the design, startup, and trouble-shooting of: piping systems, fluid machinery and auxiliary equipment (pumps, compressors, storage tanks, heat exchangers, filters, separators, valves) instrumentation, and controls in utility and industrial power plants.

    Expert Witness Investigations / Reports / Testimony: Gaseous and Liquid fuels; Fuel Delivery Trucks; Natural Gas and Propane Systems and Storage Tanks; Residential / Commercial Oil and Gas-fired: Boilers, Furnaces, Heaters; Air Conditioning Plants; Electric Generators; Concrete Pumping Apparatus and Hoses; Domestic and Commercial Appliances; Water Softeners.

    Failure Analysis: Natural Gas/Propane Explosions; Boilers; Furnaces; Hot Water Heaters; Pumps; Piping/Hoses/Plumbing; Automatic Control Devices; Log Splitters; Appliances - Gas Ranges, Washers, Dryers, Water Chillers.

    Selected Litigation Experience:
    • Failures of combustion turbines
    • Pumping of concrete where delivery line separated, causing serious injury
    • Gasoline delivery truck where delivery line ruptured, resulting in fuel igniting causing serious injury
    • Residential central air conditioning plant
    • Two gasoline delivery trucks being simultaneously unloaded, which caught fire, resulting in a fatality
    • Failed industrial baking oven at a large supermarket chain in New Jersey
    • Residential natural gas explosions in Pennsylvania and New Jersey
    • Failures of filters, hydraulic pistons/accumulators, hoses, and tube fittings, etc.
    8/10/2017 · Engineering
    Case Synopsis - A family wanted to add a self-contained heater for their home living room for use upon the loss of in-home AC (Alternating Current) power. They went to a nearby Home & Building Supply store to select and purchase a heater. The store salesman recommended a kerosene heater, which could provide independent heat upon a loss of power. The salesman recommended a kerosene heater rated at 23,000 BTU/Hour, and as a feature of the heater sale, he assembled the heater and provided brief operating instructions on its use.

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    Paul D. Terpstra, PE
    Wisconsin USA
    phone: 608-346-2392
    Paul D. Terpstra, PE, is a Mechanical Engineer who provides forensic engineering litigation support services. He has over 30 years of experience in Mechanical Design, Programming, Electrical Design, and Troubleshooting of Automated Machinery. He applies his Root Cause Analysis skills to reconstruct events and mitigate the consequences of accidents and failures which give rise to insurance claims and sometimes legal action.

    Mr. Terpstra served as Director of Research & Development for Gilman Engineering & Manufacturing, a major supplier of custom assembly equipment, before founding Innalytical Solutions Inc. He has designed equipment used by major manufacturing companies such as Ford, GM, GE, Potter & Brumfield, Borg Warner, Caterpillar, Siemens, and Rolls Royce. He has been granted six United States patents, three foreign patents, and has two additional US patent applications pending.

    Mr. Terpstra's expert witness services are available to insurance companies and attorneys.

    Areas of Expertise:
    • 3D CAD (SolidWorks CSWP)
    • Machine Design
    • Finite Element Analysis (FEA)
    • Mechanical Design
    • Control System Design
    • Mechatronic Design
    • Motion Control
    • Linear Servos
    • PLC Programming
    • Motion Programming
    • Forensic Engineering
    CNC Programming
  • Vision Inspection
  • Problem solving / Trouble-shooting
  • Machinery Repair
  • Control System Upgrades
  • Control System Retrofits
  • CNC Retrofits
  • Automation
  • Assembly Processes
  • Project Management
  • Failure Analysis
  • View Paul Terpstra's Consulting Profile.
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    John Hatcher, PE, MBA, CPP, CSC, CPMP, CHSIII, LEED AP
    President
    5010 Wright Road Suite 150
    Stafford TX 77477
    USA
    phone: 832-242-1600
    fax: 832-242-1604
    John is an industry leader in Building Systems Engineering including, Security, Building Automation Systems, Fire Alarm Systems, Intelligent Building Concepts and Commissioining. He has worked on some of the most prestigious facilities in the world including the Americas, Europe, Middle East, Russia, India and Southeast Asia.

    Security Expertise:
  • Access Control
  • CCTV Surveillance
  • Emergency Communications
  • Operations
  • Risk Assessments
  • Building Automation Expertise:
  • Energy Management
  • HVAC Controls
  • Operations
  • MEP Commissioning
  • Other Systems Expertise:
  • Fire Alarm
  • Telecommunication
  • Intelligent Buildings
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