Electronic Engineering Consultants: 7

Dr. David Schaafsma, PhD has over 25 years of experience in Optical Systems, Optical Physics, Microscopy & Spectroscopy, Optical Materials, Lasers, Optoelectronics, Sensors, Data Acquisition, Product Development. sales, marketing, business development, operations, and management at small businesses, at government laboratories, and as an independent consultant. Before founding Applied Optical Engineering, Dr. Schaafsma was the director of Sensor Technology at Tetra Tech Data Systems (later Ipitek) and was responsible for all R&D, product development, and commercial activity in fiber optic sensors, and also worked on numerous projects involving fiber communications and embedded systems. As a Senior Scientist at the Naval Research Laboratory, he made the first chalcogenide fused fiber coupler and achieved the first results with single-mode IR-transmitting fiber in mid-IR scanning near-field microscopy. At the National Institute of Standards and Technology in Boulder, Dr. Schaafsma's research focused on Quantum Optics and Fundamental Metrology of Vertical-Cavity Surface-Emitting Lasers, and included the construction of a confocal fluorescence system with a noise floor of 4 photons. As a Senior Characterization Engineer at Bandgap Technology Corp., he oversaw the production of compound semiconductor devices such as surface acoustic wave (SAW) modulators, vertical-cavity surface-emitting lasers (VCSELs), high electron mobility transistors (HEMTs), solar cells, and laser diodes for an industry which was then in its infancy. Dr. Schaafsma holds two patents, a near-field optical microscope with infrared fiber probe and an infrared optical fiber coupler. He has spoken about many topics at professional venues such as conferences, to potential clients and corporate officers of multi-billion dollar companies, as well as to classes of students. Dr. Schaafsma is also a noted authored having written numerous publications in his areas of expertise. Areas of Expertise

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DireenTech is a Design and Systems Development firm in the Electronics and Software Industry. They are currently under contract with the US Air Force Academy Center for UAS Research, Department of Electrical and Computer Engineering in the area of using General Purpose Graphics Processing Units (GPGPU) in UAVs / Drones to provide fast autonomous target identification and GPS denied navigation. DireenTech has also partnered with FalconWorks and Falci Adaptive Motor sports on the NeuroGroove program to develop technologies to help those with neuromotor disabilities, including U.S. veterans, increase their ability to control and interact with their environment.

Core Services

• Software Design and Development
• Electronic Hardware Design and Development
• Research using GPGPUs for Control, Navigation and Image Processing
• Intellectual Property
• Reverse Engineering Hardware, Software, and Firmware
• Product Forensics

Chief Operating officer, Harry Direen, PhD, PE has over 30 years of experience as an engineer Designing and Developing Systems in the Electronics and Software Industry. He has taught engineering courses at the US Air Force Academy and at the University of Colorado. Dr. Direen currently works with a research group at the US Air Force Academy developing control systems and image processing using GPGPUs for UAVs. An inventor, he holds 3 United States patents. Dr. Direen has a broad base of knowledge in electronic and software systems gained from a long career developing a wide range of products and systems. He has reverse engineered a variety of complex systems over the years, including: media players, modems, modem compression algorithms, coriolis mass flow meters, database systems, and a range of other products to support patent infringement cases generating detailed claim charts and writing expert reports to demonstrate infringement. Dr. Direen has successfully discovered and analyzed complex digital signal processing algorithms and pertinent operations within these products for many years.

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Discovery Engineering is a private Engineering Firm based in Boulder, Colorado, performing investigations into Electrical, Electronic, and Communications Systems.  Discovery Engineering also works with management to analyze risk, improve quality, and understand variability processes.  Clients include industrial, commercial, research, legal, government, and private entities.

Mark McFarland, PE, Founder & CEO, is an Licensed Engineer and Statistician with over 25 years of extensive education and experience in applied statistics, statistical learning, artificial intelligence, electrical engineering, and communications. His practical experience includes the design, analysis, and testing of satellite, cellular, LTE, Internet, wireless, Wi-Fi, RADAR, networks, data communications, communication protocols, standards, public safety communications systems, GPS, instrumentation, and control systems. 

Mr. McFarland understands variability is crucial to improving and controlling processes.  He brings scholarship and practical experience in Statistics and Applied Research to help clients understand variability and improve outcomes.

Applied Research and Analytics Consulting Services:

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James Parker has over 35 years of relevant industry experience specializing in Electronic Security Systems & Sensors, Electronics R&D and New Product Development. With executive and strategic leadership skills, Mr. Parker served as a principal product architect, is highly credible with customers, distributors, and suppliers. He is a prolific inventor having been granted over 24 unique patents with approximately 80 patent documents published worldwide. Mr. Parker is the Past Vice President of Engineering for Digital Security Controls Ltd. (DSC), a leading global manufacturer of electronic security systems and components with sales exceeding $400 million annually. He is currently the President at EE-Systems Group Inc. Canada (R&D) where he is responsible for overseeing new product and business development. 

Consulting Services - Mr. Parker's consulting services include identifying patent filing opportunities while avoiding infringement risks. He has in-depth knowledge of electronic product design in both Wired and Wireless Technologies and outstanding knowledge of Environmental and False Alarm Immunity. 

Mr. Parker also has expertise in the research, development, design, and manufacturing of electronic based products such as Security Systems, Burglar Alarm Systems, Intrusion Detection Systems, Occupancy Detection Systems, Fresnel and Mirror Optic PIR (Passive Infra-Red) Motion Detectors, Microwave Doppler Motion Detectors, Solar Powered, Motion Controlled, LED illumination Systems, and similar devices. 

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Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, biomechanics, fire investigations, patent litigation analysis, premises liability, product liability, and tire failure analysis. We use the latest technology and industry proven techniques to provide thorough analysis and conclusions for the most difficult engineering questions. Our forensic engineers support clients throughout the U.S. Our locations include Tallahassee, FL; Jacksonville, FL; Tampa, FL; New Orleans, LA; San Diego, CA; and Tucson, AZ.

Dr. Brian Pfeifer, P.E. - Dr. Pfeifer is an Engineering Expert with over 25 years of experience investigating thousands of cases involving a variety of forensic engineering issues. He is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, commercial vehicle accidents, pedestrian accidents, bicycle accidents, and the analysis of mechanical systems and product failures. Dr. Pfeifer has a strong background in the design, development, and implementation of roadside safety hardware including guardrails, bridge rails, and crash cushions. Over 33 patents have been filed worldwide on behalf of Dr. Pfeifer and associated colleagues who invented safer guardrail systems, vehicle storage systems, shipping container handling systems, and material handling and storage methods. He has also utilized his technical knowledge and understanding of patents to assist in a number of matters involving patent litigation.

Dr. Pfeifer has published numerous papers to various organizations, covering topics such as new guardrail systems, energy absorbing guardrail terminals, breakaway sign mechanisms, and material handling technology. He has shared his expertise with many organizations on topics including vehicle collisions, bicycle accidents, roadway construction zones, and accident reconstruction expert witness utilization. Dr. Pfeifer is a registered Professional Engineer in seven states and he continues to refine his skills and knowledge of accident reconstruction and roadside safety by staying current with new technology and best practices. Dr. Pfeifer has extensive experience with providing deposition and trial testimony as an Engineering Expert.

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Expertise:

Dr. Ian M. Zeller, PhD, ACTAR, is an accomplished engineer with more than 10 years of experience in Biomechanics and Computational Dynamics fields. He has investigated hundreds of cases ranging from motor vehicle accidents, recreational incidents, medical device designs, as well as injuries from product liability all across the United States. 

Dr. Zeller has graduate level experience in computational dynamics and orthopedic biomechanics with a specific emphasis in dynamics, vibrations, joint contact mechanics, and muscle control during static and dynamic loading applications. Dr. Zeller’s past research includes clinical and computational analysis of the human body with respect to the design and implantation of orthopedic devices for the knee, hip, and spine. He has published in peer-reviewed journals and presented research at both technical and surgical conferences in North America, Europe, and Asia. Dr. Zeller also worked with surgeons across the United States in the design and assessment of knee replacement devices, including personalized and prototype devices to optimize for efficacy and safety. 

Dr. Zeller is also accredited as a traffic accident reconstructionist and continues to conduct research as well as maintain a current knowledge of developing trends and best practices in the biomechanics and engineering fields. Dr. Zeller has published to various organizations on topics ranging from knee replacement design, forward solution modeling, joint mechanics, personalized joint replacements, material structures and properties as well as biological modeling of disease distributions. He also has an extensive testifying history including depositions, trials, and arbitrations. 

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Expertise:

 Michael R. Hill, PhD, PE, is a Biomechanical Engineer passionate about applying biomechanics techniques to solve diverse problems in forensics, medical research, engineering, biology, science, and mathematics. He is an expert in experimental, theoretical, and computational Tissue Biomechanics, with a focus on injury mechanisms, human tissue damage, and nonlinear soft tissue mechanics.

Dr. Hill’s core strengths are in orthopedic and cardiovascular biomechanics, vehicle accident reconstruction, injury consistency analysis, mechanical design, instrumentation,
experimental analysis, numerical methods, simulation, statistics, and image processing. Dr. Hill has lectured in the field of biomechanics and numerical methods, and his research has been published in 16 academic articles and presented at 40 international and national scientific conferences.

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Expertise:

View Quality Forensic Engineering Industrial Forensic Engineering Consulting Profile.

David Smith specializes in Recording Authentication, Speech Enhancement, Voice Identification/Elimination & Forensic Audio Analysis. Sound Testimony's proprietary's hardware/software systems recover intelligible speech and other sounds from noise-intensive backgrounds & poorly recorded media. Mr. Smith has more than three decades of professional forensic audio analysis experience in criminal and civil cases including murder, corporate fraud, employment discrimination, sexual harassment, labor, and family law. Mr. Smith consults with counsel offering audio forensic evidence examination, analysis, litigation support, expert advice, expert testimony, and related expert witness services including preparation of cross-examinations and courtroom presentations. Clients include Prosecutors, Defense Attorneys, Family Law & General Practice Attorneys, other Legal & Investigative Professionals, HR Departments, Corporations, Private Detectives, & Individuals.

Services Offered:

• Recording Authentication / Tampering & Editing Detection
• Forensic Quality Enhancement / Voice and Sound Extraction
• Intelligibility Improvement
• Transcript Review & Correction
• Voice Recognition and/or Elimination
• Expert Testimony
• ALL services are available for Webcams, Body-cams, Dash-cams, and Security Cameras

Authentication and/or Intelligibility Improvement of:

• 911 calls
• Accidental Recordings
• Cell Phone Recordings
• Video Recordings
• Portable Recorders
• Interviews
• Depositions
• Meetings