Supply Chain Resources


Payment and Invoicing
Mission Systems - Heritage ES
Joe Sansone 410-765-4912
Innovation Systems
Lynn Engbrecht 952-351-2607
All Other Sectors
Jeff Weatherhead 214-596-6501
Marc Oestreicher 214-524-0165

Aerospace Systems:
Val Valiquette 310-332-2837
Mission Systems:
Kay Jerard 703-556-2279
Technology Services:
Donna Taylor 337-421-2175
Innovation Systems:
Robyn Seaton 952-351-3047
Lisa Stone 310-524-5889

Supplier Quality Inquiries
Tammy Helms 703-949-2289

Supply Chain Leadership
Visit: GSC Leadership Webpage


June Wilson 757-746-7646

General Questions to Supply Chain (regarding webpages, broken links, etc.)


Payment and Invoicing Questions

Visit: Payment/Invoicing Webpage

Exostar Certificate Information or Help

Exostar Customer Service – (703) 793-7800, Press 4, then Press 6

Technical Help, Password Resets

Northrop Grumman Help Desk – (855) 737-8364, Press 2, then Press 1

Access to Password Protected Areas of Oasis and (all other questions)

Contact your Northrop Grumman Subcontract Administrator or Procurement Representative