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Large Business & International (LB&I) Division

Senior Leadership Team:

  • Heather C. Maloy, LB&I Commissioner

  • Sergio Arellano, LB&I Deputy Commissioner (Domestic) (Acting)

  • Douglas O'Donnell, LB&I Deputy Commissioner (International)

  • Susan Latham, Director, Shared Support 

  • Tina Meaux, Director, Pre-Filing & Technical Guidance

General Division Contact Information

Large Business & International Division
Internal Revenue Service
1111 Constitution Ave., N.W.
Attn: SE:LB&I
Washington, DC 20224

TEL: (202) 515-4400
FAX: (202) 515-4437


See the LB&I Directory for a complete listing of the LB&I management team and direct contact information. 

See the LB&I Organization Chart (PDF) to view LB&I's management structure.



Page Last Reviewed or Updated: 17-Dec-2014