Peter R. Leffe, BsME, MArch, AIA, NCARB

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Professional Specialization

Accident investigation, reconstruction and failure analysis. All forms of mechanical equipment and vehicle inspection including failure analysis. Design defect analysis, structural analysis and reconstruction. Analysis of controls, redundant systems, placement, use, design and warnings. Metallurgical analysis, fatigue failure, stress corrosion cracking and stress analysis. Architectural and construction consulting including failure analysis and design reviews. Winter sports equipment failure analysis. Ski technique and skier responsibility evaluation.

Court qualified in State and Federal courts, accident investigation, reconstruction, design, failure mode; aircraft, mechanical equipment, winter sports, construction defects, slip-trip and fall, vehicle braking systems, seat belts and others. Consultation, analysis and as needed, courtroom testimony in more than 250 cases over the past 18 years.


Bachelor of Science, Mechanical Engineering with Metallurgy
          Indiana Institute of Technology, 1963-1968
Master of Architecture
          University of California, Berkeley, 1973-1976
Diplomate, National Council of Architectural Registration Boards
Federal Aviation Administration, Airline Transport Pilot, 1995
Certificate, Aircraft Accident Investigation
          School of Engineering
          University of Southern California, 1997
Federal Aviation Administration, Aviation safety counselor training, 2001
National Transportation Safety Board, First Responder training and certification, 2005
European Society of Air Safety Investigators course:
          Air Accident Investigation in the European Environment
          Cranfield University, Bedfordshire, England 2008
Former Member, NASA Astronaut Candidate Pool

Professional Organization Memberships

Member, American Institute of Architects (AIA)
Member, American Society of Mechanical Engineers (ASME)
Member, Society of Automotive Engineers (SAE)
Member, International Society of Air Safety Investigators (ISASI)
Member, American College of Forensic Examiners
Member, National Association of Professional Accident Reconstruction Specialists
Member, International Council of Building Officials (ICBO)
Member, International Code Council, L.A. Basin Chapter
Member, International Society for Skiing Safety (ISSS)
Member, Experimental Aircraft Association (EAA)
Member, Warbirds of America Association


Registered Professional Architect
Federal Aviation Administration, Airline Transport Pilot
Federal Aviation Administration, Repairman's Certificate, Experimental Aircraft

Scholarships & Awards

The American Institute of Architects
          Waid Scholarship, 1974
The American Institute of Architects
          Institute Scholar, 1975
Experimental Aircraft Association
          T-18 Award, 1985


Indiana Institute of Technology
          Teaching Assistant in Metallurgy
University of California at Berkeley
          Teaching Fellowship in Structural Engineering
University of California at Berkeley
          Teaching Assistant in Environmental Design
Chief instructor and check pilot, Airpower Aviation Resource
          Siai Marchetti Aircraft Distributor, USA
United States Navy Test Pilot School, Qualitative Evaluation Program
          Safety/Instructor Pilot
National Test Pilot School
          Safety/Instructor Pilot

Professional Experience

Associate Engineer/Scientist, McDonnell Douglas Aircraft Corp., Long Beach, CA

Design engineering services group involved in design of wing structural components DC 10 and assigned to the Acoustic Research Group involved in the noise reduction program and testing of porous media. 1968 -

Research Associate in Environmental Design, The Farallones Institute, Berkeley, CA

Responsible for the design of geodesic and inflatable structures under a grant from the Ford Foundation and the Rosenberg Foundation. 1970 -

Product and Architectural Design, Berkeley, CA

Responsible for Architectural products and small Architecture projects. 1973 -

Architectural Intern and Engineer, The Architectural Group, Jackson, Wyoming

Responsible for Architectural design of residential and commercial projects. Provided engineering on projects and structural engineering consultation. 1976 -

Vice President, Pacific Western Psychiatric Medical Group

Group Architect, responsible for architectural renovation of 18 hospital units in the Southern California area, the management of physician employees, manager of intellectual property and litigation matters. 1981 -

Consulting Professional Architect and Engineer, Wyoming and California

General practice of Architecture. 1989 - Present

Consulting Architect

Consultation for Litigation. 1994 - Present

Consulting Mechanical Engineer and Metallurgist

Consultation for litigation. 1994 - Present

Professional Pilot

Aircraft instruction and ferry services. 1995 - Present
Aircraft ferry services
Safety pilot services

Chief Aviation Safety Counselor, Federal Aviation Administration. 1999 - 2006

General Aviation Operations
Los Angeles International Airport

Federal Aviation Administration, FAAST Aviation Safety Team

All airports, Southern California Region. 2007 - present

Televised & Radio Documentary Appearances

Appeared on the History Channel program "Decoding the Past" for the analysis of aviation accidents in the Bermuda Triangle (Two hour special), 2006

Numerous appearances and interviews on various television news programs as an aviation accident investigation expert.

Numerous radio interviews as an aviation accident expert commenting on probable cause of various accidents.

Radio interviews in the field of Architecture at the AIA National Convention.

Copyright 2006-2016 All Rights Reserved