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Playgrounds Expert Witnesses

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David Kassekert
P.E.
4017 Washington Road #344
McMurray (Pittsburgh) PA
USA
phone: 866-344-7606
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Keystone Engineering Consultants, Inc. is a multi-discipline, broad-spectrum firm providing comprehensive and qualified forensic engineering, architecture, scientific, and fire/arson investigation expert services to the legal community, insurance industry, and the public and private sectors.

A professional evaluation by any of our 40+ professionals and consultants can help solve problems in a cost-effective way. We listen to the needs of our clients and offer unbiased, ethical, and professional opinions backed by education, experience and scientific testing.

We are available for consultation and review of the factual information involved with a case to determine the worthiness of the matter prior to committing to a full investigation.

Areas of Expertise / Practice Include: Accident Reconstruction; A/E Professional Liability; Amusement Park Rides; Aviation Issues; Biomechanics; Blasting, Quarry and Construction Explosions; Building Condition Assessments; Chemical, Civil, and Electrical Engineering; Geotechnical, Industrial, and Mechanical Engineering; Structural Engineering; Commercial Claims; Construction Accidents/Disputes/Failures; Electrical Systems and Controls, Electrocutions and Shocks; Elevators & Escalators; Environmental Issues; Fire, Explosion and Arson Investigations; Fire Prevention; Forensic Architecture; Hazardous Materials; Health and Safety Issues; Heating, Ventilation and Air Conditioning; Human Factors; Indoor Air Quality and Mold Investigations; Industrial Safety, Ladders and Scaffolds; Machine Guarding and Safety; Material Failure Analysis; Motor Vehicle Crashes; Non-Destructive Testing; Playgrounds, Parks, Health Clubs and Recreational Facilities; Personal Injury; Premises Liability; Product Liability; Property Damage; Roadway Design Issues; Slips, Trips and Falls; Subrogation; and Toxicology.

Offices serving Pennsylvania, Ohio, West Virginia, New Jersey, Delaware
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Sherryll Kraizer, PhD
460 S. Marion Parkway
Ste. 906
Denver CO 80209
USA
phone: 303-809-9001
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Sheryll Kraizer Child Safety Expert PhotoSherryll Kraizer, PhD,., is an internationally recognized expert and author in child sexual abuse, physical and emotional abuse, bullying, and child safety.

Background Experience - Dr. Kraizer was on the ground floor of the child abuse prevention field in the early ‘80s, working with the C. Henry Kempe National Center for the Prevention and Treatment of Child Abuse and Neglect and founding the Coalition for Children. She has written many articles, books and curricula that address recognition, prevention and reporting of child abuse (including sexual, physical, emotional and neglect). She also has expertise in the areas of bullying, school safety, special education, and duty to supervise in a wide variety of settings.

Working with schools, religious organizations, community groups and treatment facilities, Dr. Kraizer has a deep and historically accurate understanding of the standard of care, policies and procedures, training, and supervision consistent with protecting children as they have evolved over time.

Dr. Kraizer has extensive experience in cases involving child abuse and bullying in youth serving organizations and institutional settings (i.e. schools, churches, foster care, youth groups, day care, treatment centers, residential facilities and hospitals), failure to properly train and supervise staff, failure to supervise children, child injury and death cases, abuse by teachers, clergy or staff members and child-on-child abuse. She is qualified to assess standard of care, policies, procedures, best practices and questions of negligence.

Litigation Support - Since 1992, Dr. Kraizer has worked nationally for plaintiffs and defendants alike. Understanding the issues on both sides, she is able to review your case and advise you on the strength of the evidence, areas for further discovery, deposition and trial preparation. As a forensic expert, she can assist you in asking the right questions to make informed decisions about each case.

Dr. Kraizer has extensive experience in cases involving:
  • Child Abuse or Injury/Accidents in Institutional Settings (i.e. private and public schools, churches, foster care, youth groups, day care, treatment centers, residential facilities, and hospitals)
  • Abuse Over Time Involving Multiple Victims
  • Child Sexual Abuse and Assault, Physical Abuse, Emotional Abuse and Neglect
  • Boundary Violation
  • Standard of Care, Negligence and Best Practices
  • Policies and Procedures
  • Staff training and Supervision
  • Failure to Supervise
  • Sexual Abuse by Teachers, Clergy, Staff Members, Volunteers, and Child-On-Child Abuse
  • Sexual Harassment and Misconduct
  • Bullying and Interpersonal Violence
  • Wrongful Death
View Dr. Kraizer's Consulting Profile.
Sherryll Kraizer, PhD
This book offers strategies on the latest forms of bullying, like cyber-bullying via instant message and networking sites. With anecdotes throughout, it book also teaches how to successfully approach another parent or a school about bullying.
Sherryll Kraizer, PhD
It's the most urgent and highly publicized issue facing America's family: how to teach our children to protect themselves in any situation. Based on the author's successful education workshop, which has been in operation since 1969 and has educated more than 50, 000 parents and children nationwide, The Safe Child Book gives parents effective and nonthreatening techniques for teaching children how to protect themselves without making them afraid.
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R. Leslie Nichols, MSSA, CPP
137B Commerce Ave., Suite 336
LaGrange GA 30241
USA
phone: 404-247-0797
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R. Leslie Nichols, is an expert in developing Child and Teen Protection Programs for youth-serving organizations and out-of-school time programs. For 22 years, he served as the lead youth safety and facility expert for Boys & Girls Clubs of America, an organization serving 4 million youth at over 4,000 sites in 50 states, domestic and overseas military bases, university campuses, tribal lands, camps, housing projects, parks and recreation facilities, community centers, churches and schools.

Mr. Nichols is a Certified Protection Professional (CPP) with the American Society for Industrial Security and has a Master of Science in Security Administration. He holds certificates in Enterprise Risk Management and Emergency Response Planning and has been educated in terrorism and homeland security issues at the graduate level. He has conducted thousands of safety consultations for organizations in all 50 States and in Puerto Rico, Canada, Mexico, Germany, Italy, England, Spain, Guam, the Philippines, and Japan.

As an architect, he has over 35 years’ experience in Facilities Planning and Evaluation. He is experienced in applying Crime Prevention through Environmental Design (CPTED), The Situational Prevention Approach, threat-vulnerability analysis and target hardening. This unique background supports his understanding of the relationship between operational strategies and the physical setting for creating safe environments for youth.

Litigation Support - Mr. Nichols provides expert witness services in matters involving Safety, Security, and Risk Reduction in the care of school age children and teens. His expertise is available to counsel representing both Plaintiff and Defendant and includes strategies to prevent harm from:
  • Child Protection Programs
  • Youth Serving Organizations
  • Out of School Time Programs
  • Child Sexual Abuse
  • Bullying
  • Child Abduction
  • Missing Children
  • Care and Custody of Children
  • Supervision of Children
  • Physical Injury to Children
  • Security
  • CPTED
  • View Les Nichols' Consulting Profile.
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    Professor Alphonses J. Heraghty
    45 Ashley Circle
    Commack NY 11725
    USA
    phone: 631-241-3058
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    Professor Alphonses J. Heraghty is a Certified Playground Safety Inspector (CPSI) by the National Recreation and Park Association and a Certified Supervisor for Outdoor Environments by the National Program for Playground Safety. He specializes in Sports Injury Prevention and Risk Management.

    Also a Certified Interscholastic Coach by the National Federation of State High School Associations (NFHS), Prof. Heraghty currently serves on the Sports Equipment, Playing Surfaces, and Facilities committee with American Society for Testing and Materials International (ASTM). He currently serves as Professor and Academic Chair of the Health & Physical Education Department at SUNY Suffolk in Brentwood, New York. Prior to this role, he was the Fitness & Aquatics Director and Head Lacrosse Coach at SUNY Suffolk.

    Litigation Support - Prof. Heraghty specializes in Risk Management Programs for various types of sports, recreation and fitness activities as well as the preparation of expert opinions for both plaintiff and defendants, in conjunction with Recreation and Sport Personal Injury cases.

    Areas of Expertise
    • Playground Equipment Accidents
    • Playground Supervision
    • Recreation Accidents
    • Physical Education Accidents
    • Trampoline Parks
    • Athletic Accidents
    • Health Club Accidents
    • Fitness Equipment Accidents
  • Weight Room Accidents
  • Athletic / Sport Facility Accidents
  • Lacrosse Accidents
  • Swimming Pool Accidents
  • Coaching Safety
  • camp Accidents
  • Improper Supervision
  • Non-Adherence to Standards
  • View Alphonses Heraghty's Consulting Profile.
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    4015 Watters Lane
    Gibsonia PA 15044
    USA
    phone: 724-255-7176
    fax: 484-991-1952
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    Al Vangura, Jr., MS, CPS, holds an MS in Bioengineering, a BS in Exercise and Sports Science - Biomechanics, and an AS in Mechanical Engineering Technology. Mr. Vangura has over 30 years of product development experience of class I, II, and III medical devices, sports equipment, playgrounds, motor vehicles, appliances, etc. He holds multiple patents and has worked as a machinist for over 10 years.

    Mr. Vangura is a seasoned, hands-on executive engineer with an extensive background and experience in the product development cycle in a variety of settings. He has led cross-functional teams developing Medical Devices for Respironics, Hill-Rom, Alung and CardiacAssist, athletic products for Reebok, Adidas, and the U.S. Olympic Biathlon team. He has also developed Military Aircraft for Sikorsky Aircraft, Boeing Defense and Space and the International Space Station for NASA.

    Litigation Support - Mr. Vangura has participated in forensic engineering evaluations for over 11 years with extensive courtroom experience. He provides forensic evaluations during legal proceedings involving product-related injuries, motor vehicle crashes, and other incidents requiring independent injury evaluation and review. Mr. Vangura has been involved in over 400 biomechanics cases.

    Areas of Specialization:
    • Occupant Biomechanics
    • Walking / Running Biomechanics
    • Trip / Fall Biomechanics
    • Playground Accidents and Safety
    • Sports Equipment Design / Safety
  • Machine Accidents
  • Child Abuse
  • Altercations
  • Medical Devices
  • OSHA, MSHA, FDA, and ADA
  • View Al Vangura's Consulting Profile.