9-23-2022

Procurement Ombudsman / Competition Advocate 

Points of Contact (POCs)

Agency Procurement Ombudsman / Competition Advocate

Name / Title Phone Email Address

Marvin Horne

Deputy AA for Procurement 228-364-2285

nhq-dl-op-comp-advocatevendorengagement@mail.nasa.gov

Bethany Petrofsky

Liaison to Agency Competition Advocate & 

Procurement Ombudsman 

202-358-3220 nhq-dl-op-comp-advocatevendorengagement@mail.nasa.gov

Institutional Product Service Line Contract Activity 

Procurement Ombudsman / Competition Advocate POCs

Product Service Line Name / Title Phone Email Address

• A/E Services

• Construction

• Custodial Services

• Environmental Compliance & 

Restoration

• Facilities O&M

• Grounds Maintenance

• Logistics

• Utilities

Rick Marrs

Deputy AA for Strategic Infrastructure 202-358-0941 richard.l.marrs@nasa.gov

• Human Capital Brady Pyle

Deputy AA for Human Capital 281-483-2012 brady.a.pyle@nasa.gov

• IT Services Jeffrey “Jeff” Seaton

Chief Information Officer 202-358-1824 jeff.seaton@nasa.gov

• Acquisition Support Services Andre Sheppard

Direct Procurement Strategic Operations Division 

(Acting)

202-358-3788 andre.sheppard@nasa.gov

• Administrative Services Lisa Ziehmann

Associate Director, LaRC 202-358-3861

lisa.m.ziehmann@nasa.gov
9-23-2022

Institutional Product Service Line Contract Activity 

Procurement Ombudsman / Competition Advocate POCs

Product Service Line Name / Title Phone Email Address

• Communication Services Marc Etkind

AA for Communications 202-664.2755 marc.r.etkind@nasa.gov

• EEO / ODEO Stephen Shih

AA for Diversity and EEO 202-358-3923 stephen.t.shih@nasa.gov

• Protective Services Joseph Mahaley

AA for Protective Services 202-358-3752 joseph.s.mahaley@nasa.gov

• Occupational Health Vince Michaud

Deputy Chief Health and Medical Officer 202-358-4719 vincent.michaud-1@nasa.gov

• Project, Planning, and Control 

(PP&C)

• Financial Support Services

Margaret Vo Schaus

Chief Financial Officer 202-358-5262 margaret.v.schaus@nasa.gov

• Safety and Mission Assurance 

(S&MA)

Russ DeLoach

Chief, Safety & Mission Assurance 321-258-4810 russ.deloach-1@nasa.gov

Program / Project Contract Activity 

Procurement Ombudsman / Competition Advocate POCs

Procurement Location Name / Title Phone Email Address

• AFRC Bradley Flick

Deputy Center Director 661-276-3769 bradley.c.flick@nasa.gov

• ARC Dave Korsmeyer

Associate Director for Research & Technology 650-604-3114 david.korsmeyer@nasa.gov

• GRC Dawn Schaible

Deputy Center Director (Acting) 757-864-2416 dawn.schaible-1@nasa.gov

• GSFC Raymond “Ray” Rubilotta

Associate Director 301-286-5867 raymond.j.rubilotta@nasa.gov

• JSC

Donna M. Shafer 

Associate Director 

Monica Foley

Assistant to the Center Director, Technical Mgmt.

281-483-4258

281-244-0039

donna.m.shafer@nasa.gov

monica.lee.foley@nasa.gov
9-23-2022

Program / Project Contract Activity 

Procurement Ombudsman / Competition Advocate POCs

Procurement Location Name / Title Phone Email Address

• KSC Burton R. Summerfield

Associate Director, Management 321-867-4598 burton.r.summerfield@nasa.gov

• LaRC David F. Young

Deputy Center Director 757-864-5740 david.f.young@nasa.gov

• MSFC Larry “Joe” Leopard

Associate Director, Technical 256-544-3950 larry.leopard@nasa.gov

• NOJMO (formerly NMO) Andrea Razzaghi

Director, NASA Office of JPL Management and 

Oversight

818-354-1458 andrea.i.razzaghi@nasa.gov

• NSSC

(includes Simplified Acquisitions and 

SBIR/STTR contracts issued by the

NSSC)

Nicolina “Nikki” Tubbs

Support Operations Director (Acting) 228-813-6814 nicolina.s.tubbs@nasa.gov

• SSC Rodney D Mckellip

Associate Director 228-688-2984 rodeny.d.mckellip@nasa.gov