APT Corporate Officers

Tom Pfitzer

Founder/Chairman of the Board

Meredith Hardwick

Executive VP, Chief Operations Officer (COO),
Chief Financial Officer (CFO)

Saralyn Dwyer

Executive VP, Chief of Staff (COS)

Meredith Payne

Executive VP, Chief Growth Officer

AJ Neal

Government Space Division Manager

Jorge Flores

Explosives Safety Division Manager

David Salvador

Commercial Space Division Manager

Melissa Emery

VP, Director of Safety Engineering
& Analysis Center (SEAC)

Marty Ohme

Defense Division Manager

Mike Wesoloski

Software Division Manager

Lauren Carroll

Human Resources Manager

APT Board of Directors

  • Tom Pfitzer
  • Saralyn Dwyer
  • Meredith Hardwick
  • Meredith Payne
  • Pete Yutmeyer
  • John Wynn
  • John Frost
  • Lisa Williams

SEAC Subject Matter Experts

Our subject matter experts are senior individuals with deep and specialized expertise.

Rhonda Barnes

  • APT Software Safety Technical Fellow
  • 25+ years of diverse experience in the software engineering and simulation industries with emphasis on software system safety and management
  • Leader in development of software safety policy used by DoD

Susan Cantrell

  • System Safety Technical Lead for MDA
  • 30+ years safety experience in space flight and missile defense

Saralyn Dwyer

  • Extensive experience with US Army and MDA development programs
  • 25+ years of experience
  • BS Electrical Engineering; specialized safety training in explosive materials safety, hazard recognition, evaluation and control

Paul LaHoud

  • USACE Huntsville Center, Chief, Civil-Structures Division
  • 31+ years experience in Conventional and Nuclear Weapons Effects, Protective Construction
  • BS and MS Engineering

Melissa Emery

John Frost

  • Former Chief Safety for AMCOM
  • Member NASA Aerospace Safety Advisory Panel (2006-2018)
  • Expert Witness testimony including Congress and Litigations
  • BS Electrical Eng; ME Industrial Eng (Safety Option)
  • 44 years System Safety experience

Keith Rose, CHP

  • Certified Health Physicist
  • 35 years experience as a Health Physicist
  • BS major in Biology, minor in Chemistry

Tim Middendorf

  • Subject Matter Expert in control room and flight operations
  • 30+ years experience in safety engineering and analyses
  • Experience includes range flight safety, spacecraft engineering/operations, and spacecraft launch operations
  • MS Astronautical Engineering from the Air Force Institute of Technology; BS in Aerospace Engineering

Barry Hendrix

  • Principal Engineer for Software System Safety
  • Former Lockheed Martin Technical Fellow for System Safety (member of G-48)
  • 45+ years integrated weapon systems, 35 years in System Safety.
  • Software System Safety Training Instructor

Faysaal Safie, Phd

  • APT Reliability Technical Fellow
  • Former NASA Reliability Engineering Technical Fellow
  • 30+ years of NASA, industry, and university experience in Reliability and Maintainability
  • BS Science; BS, MS, and PhD Industrial and Systems Engineering
  • Reliability Engineering Training Instructor

Tom Pfitzer

John Tatom

  • APT Explosives Technical Fellow
  • Over 35 years' experience in explosives effects and consequences modeling in the international explosives safety community
  • One of APT’s DOT-approved explosives examiners for Hazard Classification with over 20 years' experience
  • Bachelor’s degree in Electrical Engineering from Auburn University