What We Do

The Office of Resources and Business Operations (ORBO) serves as the principal staff to the Assistant Administrator on matters related to program management, budget, human resources, communications, workforce development programs, and administrative operations within OMS. ORBO staff also oversees the agency’s federal advisory committee management program and directly manages four federal advisory committees.

Mail Code: 3101A | EPA mailing addresses

ORBO Organization

Dan Coogan, Acting Director

• Phone: (202) 564-1862
• Email: Coogan.Daniel@epa.gov

• Phone: (202) 564-9922
• Email: Jablonski.Janice@epa.gov

• Monisha Harris, Acting Director
  • Phone: (202) 564-6949
• Marilyn Armstrong, Deputy Director
  • Phone: (202) 564-1876

• Scott Gregory, Director
  • Phone: (202) 564-7897

• Robbie Young-Mackall, Acting Director
  • Phone: (202) 566-2174

• Federal Advisory Committee Management Program
• Good Neighbor Environmental Board (GNEB)
• Governmental Advisory Committee (GAC)
• National Advisory Committee (NAC)

• Yulia Kalikhman, Director
  • Phone: (202) 566-1534

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