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 Expert  722158

Expert in Contamination Control and Cleanrooms

Available for your Consulting and Expert Witness Needs

Texas (TX)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
The relationship between facility cleanliness and product cleanliness, between design criteria and operational conditions is one that even today oftentimes remains a mystery. Particle fallout is the source of visible contamination for contamination sensitive products during storage and assembly. While working in clean facilities helps minimize this effect, particle fallout still represents a major source of particulate contamination. While cleanroom air may be continuously monitored, limited information exists to correlate these measurements with expected particle fallout levels.

Particulate cleanliness levels are specified by IEST-SDT-CC1246D and the standard assumes a freshly cleaned surface. The effectiveness of surface cleaning is proportional to size, so larger particles are more easily removed. At the same time, particle fallout rates are proportional to size, meaning that larger particles are more likely to land on exposed surfaces instead of staying in suspension and being removed by the cleanroom air handling system.

For aseptic fill and semiconductor manufacturing applications, the classification of cleanroom required is readily ascertainable, e.g., due to regulatory requirements or line width/“killer defect” analysis. But what about all of the other cleanroom applications such as medical device, aerospace, optics, injection molding, photovoltaic cell manufacture, etc.? Expert routinely fields questions from these general cleanroom users who are finding visible contamination (often labeled as “Foreign Object Debris” or “FOD”) on product, even in Class 100 rooms! Clearly, unless the HEPA filters are damaged (which can be readily diagnosed by leak testing) then the contamination is not coming through the filtration system, but is being generated by activities carried out within the room or may be evolving from the product itself.

Expert performs diagnosis and testing in these situations by setting out four-inch silicon (optical quality) witness (collection) wafers to measure and analyze the surface particle fallout within the facility/process line. This test enables him to determine the size distribution of particles that are actually landing onto hardware and helps to identify probable sources. If need be, he can also have the collected contaminants processed for compositional analysis (FTIR and/or GCMS).

With increasing economic pressures—even in the face of commensurately increasing product sensitivity to contamination, few users are willing to rely on overdesigned rooms with excessive numbers of air changes to ensure the necessary product yields. Good tooling and equipment layout practices, appropriate placement of HEPA filters, and even more importantly the positioning of the air returns, robust pressure differentials, attention to work surface height, product orientation, exposure time, and sensitivity to contamination, rigorous cleanroom certification testing, continuous monitoring of operational airborne particle counts, compliance with the latest electrostatic protected area rules, regular cleanroom housekeeping, proper gowning, and strict operational and maintenance procedures (and enforcement!) are all part of the solution.

Most cleanroom providers have little operational experience and users may not understand clearly how to build clean and keep clean versus trying to “inspect quality in at the end.” It is evident that airborne particle counts in and of themselves are not sufficient to characterize a cleanroom, nor are airborne particle counts necessarily related to product surface cleanliness levels. Producing quality product cost-effectively with minimal need for contamination- related rework requires a systems engineering approach to development of a successful clean manufacturing strategy.


bio-clean room


business development


class 10000 clean room


clean room


clean room contamination assessment


clean room design


contamination control


medical device manufacture clean room

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Dallas, Texas;  Fort Worth, Texas;  Arlington, Texas;  Plano, Texas;  Garland, Texas;  Irving, Texas;  Grand Prairie, Texas;  Mesquite, Texas;  Waco, Texas;  and Carrollton, Texas.

Often requested
with this expert:

Cleanrooms, Contamination Control, Ultrapure Media,...
Cleanroom and Dryroom Design and Construction for Most...
Aseptic Processing, Aseptic Packaging
Cleanroom Technology

Year   Degree   Subject   Institution  
1987   MBA   General   University of Houston  
1976   BSME   Mechanical Engineering   Rensselaer Polytechnic Institute  

Work History:
Years   Employer   Department   Title   Responsibilities

2004 to


(Undisclosed Consulting Company)


Geospatial Systems




Lead Operations / Assembly Department enabling technology & support services / process development group specializing in Contamination Control, Electrostatics, Precision Cleaning & Verification, Thermal Vacuum Bake-out and Thermal Vacuum Test Chamber process engineering & solutions. Certified Lean Six Sigma Green Belt.

1999 to


(Undisclosed Consulting Company)





He is founder and principal of this firm specializing in contamination control industry services. At Cleanroom Consulting, Expert has led the basis of design (conceptual design phase) teams for projects in the life sciences (human blood products-based therapeutics and autologous cell transplant) and is currently acting as owner representative for a spinal nerve surgery center at the Cleveland Clinic.



Expert's Firm



National Accounts Manager


Launched the company into Fortune 500 market. Led technology transfer and integration of French parent products into US. Introduced US technology/capabilities into Europe.






Manager, Technology Sales and Patent Licensing


Sales Team Leader managing market and sales development, proposal preparation, sales strategy formulation, competitive pricing evaluations, and negotiation of commercial and legal agreements.






Project Engineer


Project Mechanical Engineer managing bid preparation and evaluation, mechanical and control systems specification review, design, supervision, fabrication and acceptance of packaged process equipment. Also administered foreign technology transfer agreements and supervised technicians and designers in preparation of engineering calculations and shop fabrication drawings.

Career Accomplishments:

Central New York Sales and Marketing Executives, Manufacturers' Association of Central New York, International Society of Pharmaceutical Engineers, Semiconductor Equipment and Materials International, Institute of Environmental Sciences and Technology, US-Israel Biotechnology Council, New York Biotechnology Association.


Lean Six Sigma Green Belt, Active U.S. Government Security Clearance and have undergone a Single Source Background Investigation (SSBI) including a Poly CI, granting access to Sensitive Compartmented Information (SCI).

Professional Appointments

Clean and Controlled Environments Advisory Board


Graduate, Leadership Greater Syracuse, Expert's Firm Ring of Quality Award, IEST Western NY Chapter June Seminar Speaker, IEST Space Simulation Conference Presenter.

Publications and Patents Summary

Several publications in the field.

Selected Publications and Publishers  
 - Controlled Environments Magazine  
 - Engineered Systems Magazine  
 - Process Cleaning Magazine  
 - BioProcess International,  
 - American Pharmaceutical Review  

Consulting Services:
Selected Consulting Examples:
  • Expert has provided cleanroom compatibility testing and recommended actions to a major semiconductor inspection tool manufacturer.
  • Most recently he has provided on-site consultation to cleanroom contractors performing work at DuPont (semiconductor wafer fab pilot project) and at Lucent (fiber optics cleanroom) and written Cleanroom User Requirements Specifications and Cleanroom Facility Functional Specifications for a major control systems provider.
  • Expert also provides contamination control consultation and environmental assessment, including recommended actions, for the world's leading manufacturer of high tech filtration products in support of their "Clean Team" facilities initiatives.
  • Expert performs due diligence of cleanroom products companies on behalf of the investment banking community and facilities evaluation and assessment on behalf of real estate development firms such as Trammel Crow.
  • Expert performs environmental assessment audits and contamination control (cleanroom compatibility) roadmaps for wafer fab tool builders, optics and laser device manufacturers, manufacturers of Class II and Class III medical devices, automotive components suppliers, high yield thermal vacuum applications, advanced sensor hardware and for cGMP injection molding.
Recent Client Requests:
  • Los angeles clean room expert for consulting on Medical Class 10,000 and 100,000 cleanroom contamination control.
  • Expert for consulting on Cleanroom to give a 1-hour web-based seminar on best practices for gloves in the cleanroom environment and deliver results of an independent study conducted by Penton Media about gloves in the manufacturing environment.
  • Expert in Designing a cleanroom.
  • Expert in Clean Room -Aseptic Packaging of Beer.
  • Expert in grade A clean room design for consulting on upgrading from grade C.
  • Polyalphaolefins expert for consulting on polyalphaolefins.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • Expert in Cleanroom for a case involving cleanroom contamination.
  • Expert in HVAC.
  • Clean room testing expert for consulting on contamination issue.
  • Expert witness dry cleaning process for consulting on Dry Cleaning Processes and Contamination resulting from release of solvents.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Market Research:
Cleanroom Consulting is also providing pre-market studies for companies interested in entering into the cleanroom industry. Cleanroom Consulting is advising companies on acquisition, roll-up, marketing and public relations strategies within the cleanroom industry, providing assessment and valuation opinions for existing cleanroom facilities, and developing environmental assessment audits and contamination control (cleanroom compatibility) roadmaps for wafer fab tool builders, optics and laser device manufacturers, manufacturers of Class II and Class III medical devices, automotive components suppliers, high yield thermal vacuum applications, advanced sensor hardware and for cGMP injection molding.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

Cleanroom gowning, operational, housekeeping and certification protocols / procedures.

Supplier and Vendor Location and Selection

Expert's Firm, specializes in:

Contamination Control Audits New Cleanroom Product Introductions Project Planning & Basis of Design Cleanroom Conceptual Designs Cleanroom Applications Engineering Process Isolation & Mini-Environments Industrial Sales & Marketing Construction Claims Arbitration

Other Skills and Services

Expert has over 33 years of industry experience with 22 of those years in the cleanroom industry including project planning and basis of design development, commercialization of new cleanroom construction products, applications for process isolation and mini-environments, construction claims arbitration, vendor/contractor identification and qualification, RFP/RFQ preparation, project financial justification, site selection services and third party design reviews.


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