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Gas Turbine Design Aircraft Propulsion Systems Expert Witness

Provides Opinion & Testimony In:

Gas Turbine, Turbomachinery, Aircraft Propulsion Systems Engine, Laparoscopic, Medical Device, Ultrasonic, Aerospace, Aviation, Engineering, Mechanical, Fatigue, Failure Analysis, Stress Analysis, Life Analysis, Flight, Powerplant, Marine, Ship Systems, Fracture Mechanics, Power Generation, Residual Stress

Expert Witness No.1495


Over 26 years of cross-functional experience in:

  • Aircraft propulsion systems/aircraft engines
  • Medical device design including ultrasonics
  • Marine/ship systems
  • Failure analysis
  • Manufacturing processes
  • Fatigue and fracture mechanics
  • Intellectual property
  • Power generation systems
  • Composite materials
  • FAA certification and FDA 510(k) approval
  • Residual stress processes including laser shock peening


  • Over 22 years in gas turbine design and propulsion systems
  • Over 4 years in medical device design, specializing in ultrasonics
  • Qualified as a US Naval Engineering Duty Officer (Reserve) with rank of Lieutenant
  • Certified Six Sigma Greenbelt
  • Licensed professional engineer in Ohio & Florida
  • Holder of NCEES Record with Model Law Engineer designation
  • NCEES International Registry member
  • Experienced with FAA certification and FDA 510k approval


Capability Summary

Over 26 years experience encompassing:  mechanical design of ferrous, nonferrous, composite and elastomer material structures using CAD/ FEM tools through drawing issuance; stress and modal analyses; life and crack propagation analysis; laser shock peening (LSP) and modeling; hardware procurement/manufacturing; specifications and component & system requirements; tooling development; project management with cost/schedule accountability; engine qualification; failure analysis and component test/validation; systems engineering experience and experience briefing both Company, US Air Force and US Navy senior personnel.  Significant experience in working globally with teams in Japan, Mexico, Poland, India and Turkey.



BSME (University of Florida) cum laude
MSME (University of Cincinnati) cum laude


Employment History

General Electric Aviation (Aircraft Engines), Cincinnati, OH
Subsection Manager, CF6 CDN/Mechanical Systems/HPT Services Engineering

  • Responsible for team of 9 engineers supporting worldwide CF6 fleet, including production, cost reduction, Services and Repair for 3 engine modules
  • Fleet services modeling, component design, manufacturing support and field support
  • Global team with 6 direct reports in Warsaw, Poland and reporting directly to European manager

Staff Engineer, Marine and Industrial Systems Engineering

  • Lead $7M fuel efficiency improvement program for US Navy
  • Model engineer for LM1600 industrial engine
  • Lead field investigations with 2 foreign navies
  • Business development and acquisition due diligence

Senior Engineer, Low Pressure Turbine Team leader, small commercial engines

  • Lead team to certify GE-Honda HF120 joint venture engine
  • Support CF34 LPT for field and cost reduction
  • Conduct technical reviews and consult

Staff Engineer, Joint Strike Fighter Systems Engineering

  • Developed electrical ice protection system concept for F136
  • Developed enabling technologies for F136/F-35 propulsion system
  • Developed technology maturation roadmaps
  • Led technology insertion to meet performance/cost/weight targets
  • Flowed down requirements to relevant Integrated Product Teams

Staff/Senior Engineer, Large Military Fan/Compressor Airfoils

  • Team leader for both $3M USAF CIP and F110 growth fan programs
  • Design lead for all large military fan airfoil components
  • Drove cost/schedule to meet goals of several programs simultaneously
  • Routinely communicated to upper management on program status
  • Authored reports for engine system qualification to USAF
  • Mentored/trained junior engineers

Lead Engineer, Large Military Rotating Parts

  • Design lead for all large military fan rotating parts
  • Executed on both production and F110 growth fan programs with budget and schedule accountability
  • Performed stress and life analysis

Lead Engineer, GE90 fan group

  • Design lead for assigned composite fan components
  • Drove new product design for weight and cost reductions
  • Achieved significant cost reduction with new composite fan platform design

Ethicon Endo-Surgery Inc., Blue Ash, OH (division of Johnson & Johnson)
Senior Design Engineer, Harmonic Franchise

  • Lead design engineer for 45cm length laparoscopic ultrasonic surgical instrument (ACE45E)
  • Lead harmonic blade design advancement as part of Technology Development team
  • Lead new materials introduction to advance surgical applications and market penetration
  • Lead team for emerging market surgical device (India)

Allison Advanced Development Company (Rolls-Royce), Indianapolis, IN
Lead Engineer, Advanced Mechanical Design

  • Lead engineer for all cold section static hardware
  • Executed from conceptual design to issued drawings in 1 year
  • Performed trade studies, stress/modal analysis for design optimization

Pratt and Whitney (Aircraft Engines), West Palm Beach, FL
Senior Design Engineer, Government Engine Business

  • Design lead for compressor vanes, seals and shrouds
  • Supported Initial Flight Release for the F119/F-22 weapon system
  • Introduced several redesigns for cost and durability
  • One of a small team to develop a hollow, composite fan blade design
  • Performed stress/modal analysis of isotropic and composite structures

Software Experience:  MS Office, MS Project, ANSYS, Unigraphics, NASTRAN, Minitab, IDEAS

Other Accomplishments:

•    General Electric Advanced Course in Engineering graduate, 2000
•    Numerous company achievement awards
•    Named Senior Engineer in Fan Design (2005) and Low Pressure Turbine (2011) by GE Aviation Chief Engineer
•    Inactive holder of several Government clearances
•    Six Sigma Greenbelt certified
•    Awarded Navy Achievement Medal and service awards
•    Basic competency in German


Member of NSPE, ASME, AIAA and ASM
Affiliate of National Academy of Forensic Engineers (NAFE)


Available Upon Request


Available Upon Request

Expert Witness Testimony Summary:

Available Upon Request



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