Paul K. Goldberg, P.E., has a Bachelor of Science degree in Metallurgical Engineering with over fifty years of engineering experience. In 1970, Mr. Goldberg left the industry and went into private practice consulting with attorneys and insurance companies in the fields of failure analysis, machine guarding, and aircraft accident evaluation. In 1980, he created a corporation that evolved into Consulting Engineers & Scientists, Inc. and today serves as its President and CEO.

Prior to being in private practice, Mr. Goldberg was employed in the aerospace industry where he evaluated components for conformation to specifications and operated the electron microscope to determine the failure characteristics of aircraft components. In addition, he participated in aircraft accident evaluations and performed technical audits, which included the evaluation of production and machining operations for aerospace suppliers.

At Consulting Engineers & Scientists, Inc. he has performed failure analyses in cases involving bridges, buildings, cranes, and tower collapses and on matters involving aviation, automotive, and marine equipment failures, pressure vessel explosions, chain and cable failures, bicycles, ladders, hand tools, and chair failures as well as medical devices ranging from pedicle screws to bone plates and artificial joints.

Mr. Goldberg has also evaluated numerous industrial accidents concerned with industrial safety and machine guarding in industries such as metal production and fabrication, paper and printing, food processing, and woodworking. Additionally, he has investigated numerous accidents involving conveyors and material handling systems.

Mr. Goldberg is licensed as a Professional Engineer in Pennsylvania, New Jersey and Delaware.

Ronald J. Cohen, P.E., is a Civil Engineer with a Bachelor of Science degree and over forty years of engineering experience.  Mr. Cohen joined the firm in 1994 and has served as its Vice President since 2003.

Prior to joining Consulting Engineers & Scientists, Inc., Mr. Cohen was employed at United Engineers and Constructors, Stearns/Catalytic World Corporation, and BCM Engineers.  At BCM, Mr. Cohen was the Chief Structural Engineer and the Manager of Specialty Engineering.

Mr. Cohen’s design/construction experience includes civil and structural engineering, construction management, residential construction, roofing design/construction/failure, and EIFS.  He worked on municipal, industrial, parking garage, power generation, food processing, and commercial and pharmaceutical projects.  He has design experience in building codes, ADA, means of egress/access, contract document compliance, and in walkway surface safety for dry, wet, and contaminated walking surfaces.

While at Consulting Engineers & Scientists, Inc., Mr. Cohen has evaluated matters concerning slip/trip/fall, premises liability, structural failure, building component failures, construction accidents, and roadway design/accident reconstruction.  Mr. Cohen is a member of the ASTM International and is on Committee F13 for Pedestrian/Walkway Safety and Footwear.  Mr. Cohen is also a member of International Code Council (formerly BOCA), the American Concrete Institute (ACI), and the American Institute of Steel Construction (AISC).

Michael G. Bird, Ph.D., holds a Doctorate in Biochemistry, a Masters in Toxicology and a Bachelor Degree in Chemistry/Zoology. He is a Board Certified Toxicologist, Chartered Chemist and Fellow of the Royal Society of Chemistry, and a Diplomat of the American Board of Toxicology. Dr. Bird has over forty years of technical, regulatory, and research experience with companies such as ExxonMobil Biomedical Sciences, Exxon Chemical Company, British Petroleum Company as well as consulting work with Risk Sciences International and the McLaughlin Centre for Population Health Risk Assessment, University of Ottawa.

As a member of the professional staff of Consulting Engineers & Scientists, Inc., Dr. Bird consults with clients in matters involving the evaluation of industrial, commercial, and consumer products and their effect on the human body with respect to toxic properties as well as potency and potential health hazards. Responsibilities include analyzing the toxic effects of and the toxic exposure to chemicals, gases and materials such as alcohol toxicity, carbon monoxide, industrial gases, , solvents, and mycotoxins from molds. This involves the health hazard evaluation of irritants, asphyxiants, anesthetics, hepatoxic agents, hematopoietic system toxins, neurotoxic and nephrotoxic agents, sensitizers, pulmonary toxins, reproductive toxins and carcinogens.

He is an adjunct associate professor at the Ernest Mario School of Pharmacy, Rutgers University, NJ. Dr. Bird has authored over 40 publications and in 2011 was awarded the Achievement Award by the International Society of Regulatory Toxicology and Pharmacology for advancing regulatory science and policy in toxicology.

Michael G. Bird, Ph.D., DABT, FRSC

Phone:  610-296-2250
Fax:  610-296-2259

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Fredric M. Blum is a Forensic Mechanical Engineer with a Bachelor of Science in Mechanical Engineering and a Master of Business Administration. He has over 40 years of experience in determining the cause and evaluating liability in accidents, failures and fires involving mechanical equipment. His expertise includes incident investigation, failure analysis, incident reconstruction, code and standards compliance and liability assessment.

Mr. Blum has worked on matters including machine accidents and guarding on such equipment as power presses, shears, mills, saws, mixers, etc.; gas, propane and steam explosions; large-scale industrial plant fires, accidents and catastrophic failures; residential, industrial and commercial heating/ventilating/air conditioning system malfunctions for oil, gas and propane systems. He has considerable experience with sprinkler and piping system failures. He has investigated residential and commercial appliance accidents and malfunctions including gas ranges, water heaters, gas-log fireplaces, kerosene heaters, tanks and pressure vessels, snowblowers and exercise equipment.

Mr. Blum’s experience includes matters involving personal injuries, fires, floods, soot contamination, smoke contamination and piping system leaks and freeze-ups. He handles consumer, commercial and industrial incidents.

Roger L. Boyell, P.E., has a Bachelor of Electrical Engineering degree, Master of Science degree in Applied Science, as well as Masters of Business Administration degree, with over 30 years of experience in the aerospace/defense industry.

Prior to working with Consulting Engineers & Scientists, Inc. Mr. Boyell was employed with Bendix Radio Division in Maryland; Sperry Gyroscope Company in New York; Pennsylvania Research Associates in Pennsylvania; RCA Corporation, Aerospace & Defense Group in New Jersey; and Computer Sciences Corporation, Integrated Systems Division in New Jersey.

At Consulting Engineers & Scientists, Inc. Mr. Boyell has evaluated electrical equipment and appliances which can be responsible for fires and electrical shocks; electrical and electronic controls; electromechanical interlocks for equipment applications including machine guarding. Mr. Boyell also evaluates automotive electronics, electronic security systems, radar/sonar/lidar systems, and wireless telephones, as well as the evaluation of radio transmission, audio and video recording, and electronic circuitry.

Mr. Boyell is licensed as a Professional Engineer in New Jersey and is a Diplomat of the American College of Forensic Engineers and a Fellow of the National Academy of Forensic Engineers.

Andrés J. Calderón, Ph.D., has a Bachelor of Science degree in Mechanical Engineering and a Master of Science and a Doctor of Philosophy degree in Biomedical Engineering.  He has worked in the fields of biomechanical and biomedical engineering for over 16 years.

Prior to joining the firm, Dr. Calderón was a lecturer and research fellow in the department of Bioengineering and in the Medical School of the University of Pennsylvania (Penn).  While at Penn he taught courses in Engineering Principles of Human Physiology, Biomechanics and Biomaterials as well as other courses in bioengineering.  These courses presented how human physiology reacts biomechanically to forces and stresses caused by external conditions or trauma.  He also did research in the areas of targeted drug delivery and the development of medical testing devices, products and tools.

Dr. Calderón’s research in biomechanics, biomedical devices, and biofluids was done at Purdue University, the University of Michigan, and the University of Pennsylvania Medical School.  His work has been published and featured in peer-reviewed, nationally and internationally, recognized journals and has been presented at national and international conferences.  He is also a member of the Biomedical Engineering Society and American Society of Mechanical Engineers.

At Consulting Engineers & Scientists, Inc., Dr. Calderón has evaluated many cases including the biomechanical evaluation of physical trauma and injury; the dynamic analysis of human motion; and the evaluation of injury resulting from automotive, industrial, constructions, and slip/trip/fall accidents as well as sporting events and amusement rides.  He has also evaluated the safety and adequacy of products, including medical devices and implants.  In addition, he has evaluated vascular conditions (air emboli, clots, tissue damage, etc.) caused by trauma and medical equipment.

Harry J. Dales is a Civil Engineer with a Bachelor of Science degree in Civil Engineering and over 25 years of engineering experience.

Mr. Dales has extensive experience in engineering and construction, including roadways, highways, parking lots, traffic controls, grading, drainage, stormwater management, oil and gas pipelines, utilities, site and building layout, demolition, steel construction, and rigging.  He has worked on municipal, industrial, commercial, power generation, and land development projects.

At Consulting Engineers & Scientists, Inc., Mr. Dales evaluates construction accidents, workplace safety, pedestrian walkway surfaces, roadways, ingress and egress safety, building and structural engineering failures and claims, and premises liability.  He performs failure analysis regarding construction, piping, and structures.  Mr. Dales’ expertise includes determining compliance with codes and standards, such as OSHA, IBC, ADA, ICC (BOCA), ASME, ANSI, ASTM, ACI, and AISC.

Richard E. Daniels, P.E., is a Civil Engineer with Bachelor and Master of Science degrees in Civil Engineering and over forty years of engineering experience.

Before joining Consulting Engineers & Scientists, Inc., Mr. Daniels was employed by PECO Energy, United Engineers & Constructors, and design engineering firms.  Mr. Daniels was responsible for civil and structural engineering, design, construction, maintenance, renovation, inspection and evaluation of steel, concrete, masonry, and wood structures.  His projects included new construction, modifications to in-service buildings and equipment, condition surveys, and demolition for commercial buildings, factories, nuclear and fossil power plants, group residential facilities, private homes, schools, parking garages, highways, and bridges.  Mr. Daniels also taught engineering mechanics and soil mechanics and worked in a soils-testing laboratory.  Mr. Daniels has been the design engineer liaison to the construction work force and the owner’s representative, which has enhanced his knowledge of design and construction processes.

At Consulting Engineers & Scientists, Inc., Mr. Daniels evaluates construction accidents and workplace safety, building and structural engineering failures and claims, and premises liability.  In the area of building and structural engineering failures, Mr. Daniels has evaluated total collapses; component failures; foundation settlement; scaffold, shelving and railing collapses; termite damage, and wet basements.  Mr. Daniels’ expertise includes analysis for compliance with codes and standards, including OSHA, ICC (BOCA), ANSI, ASTM, ACI, and AISC.  Mr. Daniels is a member of ASCE, ICC, ACI, AISC, and ASTM, as well as a member of ASTM Committee F-13 for Pedestrian/Walkway Safety and Footwear.

Paul D. Doyle is a Mechanical Engineer with a Bachelor of Science degree in Mechanical Engineering, a Master of Science in Management, and more than 30 years of engineering experience.

He worked in the automotive industry designing, building, and programming production machines for more than two decades. This work included machines for welding lines, transmission testing, fuel injectors, wheel balancing, and fluid fill. His experience encompasses designing and building machine guarding as well as the use of electronic safety devices for industrial machinery.

Most recently Mr. Doyle was the Technical Trainer at ifm efector, inc., a leading manufacturer of industrial sensors and controls. His responsibilities included training employees and customers in sensor technology as well as common manufacturing processes.

At CESI his focus is on Accident Reconstruction. He evaluates accidents involving automobiles, motorcycles, bicycles, pedestrians, and buses as well as accidents caused by mechanical failures.  Additionally, Mr. Doyle investigates Industrial Accidents involving Machine Guarding, Motor Drives, and Instrumentation and Controls.  Having been involved in the development, troubleshooting, and commissioning of new products for several years, Mr. Doyle also investigates Product Liability cases.

Michael E. Goldberg, CIH, CSP, is a Board Certified Industrial Hygienist with a Bachelors of Science Degree in Occupational Environmental Health and Safety and a Masters of Science Degree in Environmental Health and Industrial Hygiene, with over 19 years of experience in Health, Safety, and Industrial Hygiene.

Prior to joining Consulting Engineers & Scientist, Inc., Mr. Goldberg was employed by Philadelphia area universities and health care systems in Environmental Health, Safety and Radiation Departments, and engineering consulting firms specializing in environmental health and safety and industrial hygiene services.  He has extensive expertise in pharmaceutical manufacturing, food processing plants, and healthcare facilities providing indoor air quality, noise exposure, and ventilation system evaluations.  Other experience includes health and safety assessments for United States Air Force bases throughout Europe evaluating aircraft assembly and maintenance operations, as well as assessing automobile and aircraft spray coating operations.  He also provided training on the handling and disposal of hazardous and infectious materials.

At Consulting Engineers & Scientists, Inc. Mr. Goldberg provides the evaluation of health and safety hazards within industrial, commercial, residential and health care facilities.  He has extensive experience with regulatory codes, standards, processes, protocols, and procedures.  His responsibilities include indoor air quality investigations (mold and microbial growth, carbon monoxide, carbon dioxide, chemical hazards, and airborne particulates) and the disposal and handling of chemical, radiological, and biological/infectious materials including their effects on employees and the public.  He also evaluates construction activities, walking surfaces, confined spaces, and personal protective equipment, including respiratory protection uses and limitations, noise exposure, compressed gas cylinder safety, facility plant operations involving lock out tag out and control of energized equipment, machine guarding, and work place engineering controls (ventilation systems).

Mr. Goldberg is a Certified Industrial Hygienist accredited by ANSI (to ISO 17024) which is a globally recognized certification by the International Occupational Hygiene Association (IOHA).

Debra L. Hufnagel, AFAA, is a Certified Personal Fitness Trainer with over 15 years experience in physical fitness training and equipment.

Prior to and concurrently with joining the firm, Ms. Hufnagel is the owner of Fit For Life, a personal fitness training company where she works with individuals and classes in physical fitness. She ongoingly uses treadmills, elliptical trainers, stair climbers, free weights, and stationary pedaling equipment as part of her training regimen and instructs clients on how to use this equipment in a safe environment. In addition, she develops programs for marathon runners and triathletes to reduce overuse injuries.

At Consulting Engineers & Scientists, Inc., Ms. Hufnagel’s responsibilities include the evaluation of personal fitness safety, personal training programs and procedures, exercise programs, training supervision, training and spinning classes. Additional responsibilities include the evaluation of training equipment.

Debra L. Hufnagel, AFAA

Phone:  610-296-2250
Fax:  610-296-2259

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David M. Kenney, A.I.A., is a Registered Architect with a Bachelor of Architecture degree and over twenty-five years of architectural experience.

Prior to joining the firm, Mr. Kenney was founder and President of DM Kenney Architects with architectural and construction management projects in Pennsylvania and New Jersey. Mr. Kenney was responsible for all aspects of architectural design and construction, including site design and development; building programming and schematic design; building and zoning code research and interpretation; product analysis, research, and implementation; construction contracts, documentation, and administration; and liaison with code officials, clients, and consultants.

He has worked on a wide range of project types including single and multifamily residences; small and large scale commercial and retail buildings; large institutional projects such as hospitals and schools; industrial projects including warehouse facilities and aircraft hangars; and large residential and resort communities including elderly continuing care facilities.

At Consulting Engineers & Scientists, Inc., Mr. Kenney’s responsibilities include building and site evaluations, codes and standards review, premises liability, slip/trip/fall evaluations, construction safety, ADA evaluations, and construction and design claims. Mr. Kenney is also responsible for evaluation of codes, standards, and regulations compliance including ADA, OSHA, ANSI, ASTM, CABO, BOCA, ICC, and NFPA. Additional responsibilities include design and construction contract evaluations, including drawings, specifications, and schedules.

Warren Lieberman has a Bachelor of Science degree in Metallurgical Engineering, and a Master of Science degree in Engineering Science with over forty-five years of engineering and management experience.

Before joining the firm, Mr. Lieberman was employed for thirty-four years by the Boeing Company where he was responsible for metallurgical support of design, failure analysis, and accident investigation. He has also held management positions in engineering, manufacturing, and program management.

Mr. Lieberman also worked for Curtiss-Wright and United Technology as a metallurgical engineer, responsible for engineering support of manufacturing, design, and sub-contractors. In addition, he was responsible for development and testing of materials for specialty applications and conformance to specifications and standards.

At Consulting Engineers & Scientists, Inc., Mr. Lieberman has evaluated many matters involving product suitability in the aircraft, marine, railroad, automotive, and industrial arenas. He has extensive experience in workplace safety, machine guarding, systems failure analysis, metals and composites failure analysis, as well as accident investigation.

Mr. Moakes has a degree in Production Engineering from the University of Wales Institute of Science and Technology in the United Kingdom, and has more than thirty-five years of experience as an engineer.  He has been employed by Consulting Engineers & Scientist, Inc. since 1997 where his responsibilities include vehicular accident reconstruction (automobiles, trucks, buses) airbag analysis, material handling, workplace layout, machine guarding, and industrial lift truck evaluation.  He has evaluated accidents involving vehicles, pedestrians, and motorcycles.  His experience also includes investigating matters concerning golf carts, all-terrain vehicles, watercraft, and power and telecommunication cables.

Mr. Moakes also has over thirteen years of experience in manufacturing processes, workplace and factory design, as well as factory start-ups both in the United States and overseas.  In particular, Mr. Moakes was involved in the development and manufacture of optical fiber communication cables and now provides engineering evaluation regarding fiber optics, and copper wire and cable technology.

Prior to working at Consulting Engineers & Scientist, Inc., Mr. Moakes was a senior engineer at a leading worldwide manufacturer and supplier of airbag systems to the automotive industry.  His employment involved research and development programs for electronic crash sensors, airbag inflators, and smart airbag systems.  Additionally, his development work resulted in patents being filed in his name.

Joseph F. Martin, Jr. has over 34 of experience in law enforcement, corrections, training and security.  With a Bachelor’s of Science degree in education, certification by the New Jersey Police Training Commission as a Range Master, New Jersey Department of Personnel as a Training Officer, and the States of New Jersey and Delaware as a Security Officer Registration Act (SORA) instructor, Mr. Martin brings unique expertise and hands on experience to his reports and evaluations of Safe Firearms Use, Range Safety, Correctional facilities, and all levels of Corporate Security.

Before joining Consulting Engineers & Scientist, Inc., Mr. Martin was employed by various companies which provide licensed armed security guards and corporate training for security and retailers, and was employed by PSEG Nuclear, Lockheed Martin, Sunoco Logistics, and the Gloucester County Sheriff’s Office and Correctional facility.  Having completed nine different Law Enforcement Armorers courses in handguns, shotguns, and rifles, he has an extensive background in Law Enforcement Use of Force and Firearm Evaluations and Repairs.

In addition to holding numerous certifications and having years of applicable on the job experience, as an avid outdoorsman, hunter, and recreational shooter Mr. Martin provides knowledge of indoor and outdoor, public and private ranges and the safety issues which impact these facilities.  He also evaluates commercial or private use of lands and fields for shooting and hunting, indoor range air quality, and outdoor environmental issues.

Mr. Martin also provides evaluations of Correction Facilities in areas such as correctional procedures, training, and physical plant operations to determine if correctional administrators are operating their facilities in a constitutionally acceptable manner in order to accomplish facility and inmate safety along with successful reintegration and rehabilitation of the offender.

Joseph T. Potterton has been the Operations Manager responsible for the training and education of 140 Security Officers and thousands of health care professionals employed at a large inner-city hospital in Philadelphia since 1992. He has over 25 years of experience in the areas of physical security, access control, training, policy development, and Joint Commission on Accreditation of Healthcare Organizations (JCAHO) environment of care requirements.

Mr. Potterton is a Certified Instructor in OCAT(R) (Pepper Spray), Practical and Tactical Handcuffing (PATH™), Personal Protection Consultant’s Expandable Baton Program, Active Shooter Response, Crisis Prevention Institute, Management of Aggressive Behavior (MOAB), Handle with Care, Verbal Defense & Influence, Point of Impact Crisis Intervention, and Defensive Tactics.  He is also a Certified Trainer for the American Heart Association in the discipline of Basic Life Support (CPR/AED).

His affiliations include the American Society for Industrial Security (ASIS), the International Association for Health care Security and Safety (IAHSS), the International Law Enforcement Educators and Trainers Association (ILEETA), the American Heart Association, and serving as a national advisor for the Vistelar Group (a global conflict prevention and management solutions provider).

Joe is an avid sailor and has sailed most of his life on everything from a sunfish to a Morgan 45 for offshore racing.  His other vice is fitness.  He was the 1991 Mr. Philadelphia bodybuilding champion and continues to train and mentor young athletes.

Karl E. Schreiter, Jr., P.E. has a Bachelor of Science degree in Physics and a Master of Science degree in Water Resource Engineering. He has over twenty years of experience in the water and wastewater treatment industry which includes many aspects of both water and wastewater treatment.

Mr. Schreiter was employed at John G. Ruetter Associates and BCM Engineers where he was responsible for water and wastewater facility planning, industrial pretreatment management, facility permitting, and facility operations. Mr. Schreiter currently serves as the Engineer for a municipal authority.

At Consulting Engineers & Scientists, Inc., Mr. Schreiter evaluates matters concerning water and wastewater treatment systems. These issues include review of existing on-site wastewater treatment systems, water and wastewater treatment plant operations, and water quality issues associated with operation of public swimming pools. Currently, Mr. Schreiter is an assistant adjunct professor at Drexel University teaching water and wastewater treatment engineering review courses.

Mr. Schreiter is licensed as a Professional Engineer in Pennsylvania and New Jersey.

Karl E. Schreiter Jr., P.E.


Phone:  610-296-2250
Fax:  610-296-2259

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