Contact Us

Office Locations

Main Office: The Colombo Plan Secretariat

No. 52 Ananda Coomarasway Mawatha | P.O. Box 596 |
Colombo 03 | Sri Lanka
T: +94 11 257 6322 (hotline) | F: 94-11-2576311 |
twitter: @colomboplan |

North American Office: Washington, DC

South and Central American Office: Santiago, Chile

Southeast Asian Office: Bangkok, Thailand

Contact Us

Becky Vaughn


Washington D.C.

Samitha Gunasekera

Programme Officer (Credentialing)

Colombo, Sri Lanka

Ashley C. Becker

Programme Officer (Online Curriculum)

Washington D.C.

Verify a Credential

To verify the credentials of an addiction
professional, email

Please put Verify a Credential in subject line.

Report an Ethics Violation

To report an ethics violation,

Please put “Confidential” in subject line.


Can’t find what you are looking for? Please let us know how we can help.