Supported by the following organizations
This is to certify that A B M Al Sami Dhrubo successfully completed and received a passing grade in CRMx: Crisis Resource Management a course of study offered by ColumbiaX, an online learning initiative of Columbia University.
Noted by
Vivek K. Moitra, MD
Allen I. Hyman Professor of Critical Care Anesthesiology Columbia University
David O. Kessler, MD, MSc
Associate Professor of Pediatrics in Emergency Medicine Columbia University
Jessica L. Spellman, MD
Associate Professor of Anesthesiology Columbia University
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- Verified Certificate Issued February 14, 2026
- Valid Certificate ID 17c2b32b2aba4765ac57d9ba1405b773