Goddard Engineering and Technology Directorate

A colorful image of the Nancy Grace Roman Space Telescope's element assembly wheel.

Engineering and
Technology Directorate

Key Personnel

If you need further contact assistance beyond the information provided in the following chart, please reach out to the Engineering and Technology Directorate (ETD) Office at 301-286-6219.

Director, Chief, Branch HeadNameDivisionCodeOrganizationPositionEmail

  1. Functional Leads

    Code 500

    Assistant Director for Engineering Operations Hector Dietsch
    Assistant Director for Engineering Safety and Compliance Management Dann Brown
    Org Effectiveness & Workforce
    Development Manager     Denise Cervantes
    Workforce Manager Sandy Hare

    Engineering Business Branch

    Code 159.3

    Directorate Resource Manager Shanta Arur
    Associate Head/Service Pools & Spt Svc Contracts Dena Butler
    Workforce Manager/PP&C Lead Joan Stahr
    Financial Management (CARA, CM&O) Michael Herman

    ETD Directorate

    Code 500

    Director Segrid Harris
    Deputy Director Vacant
    Director Deputy Director
    for Technical Management     Maria Nowak
    Deputy Director for Planning and
    Business Management     Matt Ritsko
    Chief Engineer Tim Trenkle
    Senior Engineer for Strategic Partnerships Johnny Pellish

    New Business, Partnerships, and Technology Infusion Office

    Code 501

    Office Chief & Chief Technologist Michael Johnson
    Chief Digital Engineer Aaron Comis
    WFF Business Development Lead Ben Cervantes
    Assistant Director for Business Development Whitney Ademiluyi
    Integrated Design Center (IDC) Manager Liz Matson
    Engineering Systems Resources Manager Donna Montgomery

    1. Mechanical Systems Division

      Code 540

      Chief Carlton Peters
      Associate Chief Sharon Cooper
      Associate Chief Vivek Dwivedi
      Associate Chief Alex Montoya

    2. Instrument Systems
      and Technology Division

      Code 550

      Chief Peter Maymon
      Associate Chief Diep Nguyen
      Associate Chief Marcellus Proctor
      Associate Chief (Acting) Monisha Dawson

    3. Electrical Engineering Division

      Code 560

      Chief Anthony Sanders
      Associate Chief Phuc Nguyen
      Associate Chief Jelila Stanton
      Associate Chief Manuel Balvin

    4. Software Engineering Division

      Code 580

      Chief Myron Bradshaw
      Associate Chief Todd Spencer
      Associate Chief Sabrena Ball
      Associate Chief Ruma Das

    5. Mission Engineering and
      System Analysis Division

      Code 590

      Chief Jessica Lounsbury
      Associate Chief Dean Chai
      Associate Chief Nikesha Davis
      Associate Chief David Raphael