Mary E. Ahern, P.E., - Specializes in Traffic Engineering and Traffic Signal System Design and Optimization. As an Expert Witness, Ms. Ahern has experience in determining causes of vehicle accidents, investigating pavement markings, assisting in case direction and traffic solutions, preparing sight distance calculations and accident site photography analysis. She also teaches traffic engineering and geometrics as an adjunct instructor for Northwestern University.

Areas of Expertise:Red Light Cameras

Traffic Engineering Traffic Counts Traffic Warrant Studies Traffic Signal and System Design Video Vehicle Detection Audible Pedestrian Signal Design Emergency Vehicle Preemption Design Accident Analysis

Red and Amber Clearance Interval Calculations Accident Site Photography Accident Site Video Production Sight Distance Calculations Dilemma Zone Issues Procedure Development Sales Roadway Design

Wes Dooley's longtime passion for audio has infused his company, Audio Engineering Associates (AEA), with a well balanced blend of creativity and technical expertise for forty years. At the core of AEA is a genuine interest in the art and science of audio. From areas as diverse as Forensic Audio and Microphone Design, Wes' passion for audio has led him all over the world, from recording experiences in Europe, Africa, and New Zealand, to the courtrooms of Los Angeles as a forensic audio and video expert witness.

Forensic Audio & Video Services Include:

Audio and Video Enhancement

Authentication of Recorded Evidence

Courtroom Presentations and Testimony

Binaural Audio Environment Recreations for Jury Presentation

Appraisals & Brokerage:

Recording Studio Equipment Inventories and Appraisals

Lease End-Value and Equipment Depreciation Projections

Evaluations of Technical Condition and Suitability

Sales Strategy Consultations

Used Equipment Inventory


Microphone Repair and Restoration

Combs Forensic Services is dedicated to the analysis and presentation of Audio and Video Forensic Evidence. Supported by a state of the art laboratory, we provide economical and high-quality enhancement, analysis and expert witness services.

With an unmatched commitment to professional integrity and a history of exceeding client expectations, we faithfully serve attorneys, private investigators and law enforcement agencies nationwide.

Services Include:

Audio Enhancement

Audio Authentication

Video Enhancement

Video Authentication

Voice Authentication

Certified Transcripts

Expert Testimony

CSTI Acoustics offers professional consulting services in acoustics and noise and vibration control to engineering firms, industrial companies, developers, architects, churches, private owners, attorneys, and government entities.

Both graduates of MIT, Arno Bommer and Bob Bruce have been working together since the early 1980s. Projects have been performed throughout the US including Alaska and Hawaii, and in Canada, Mexico, Brazil, Trinidad, Argentina, Chile, Puerto Rico, England, Scotland, Germany, and Qatar.

Dr. Robert C. Sugarman, P.E. , provides expert testimony in criminal and personal injury trials (both defense and plaintiff) with a unique combination of expertise in Physics and Human Factors Psychology.

Personal injury analyst with 40 years in human factors R&D; teaching; trial testimony and accident simulation and mockups; development of industrial operations, environmental health & safety, and maintenance industrial training for light to heavy industry; worked "in the trenches". Fellow of the Human Factors & Ergonomics Society; staff at SUNY/Buffalo; contributor to ANSI design standard.

BA, MS, SM, PhD; physics, psychology; Purdue, MIT, SUNY/Buffalo

Areas of Expertise:

Product and Equipment Design Medical Equipment Errors Perception and Vision Instructions and Procedures Warnings and Labels Individual Differences Training

Human Factors Industrial Accidents Vehicle Accidents Construction Accidents Slip and Fall Ergonomics and Workplace Layout Physics and Optics

---

---

---