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Senior Consultants

Whitehall consultants have more than 100 years of combined experience in deploying change and transformation in Fortune Global 500 companies such as IBM, Shell, J&J, Maersk, Intel, Accenture and HP.

Babby Mejia, ASQ CMBB, PMP®

Strategy & Innovation


Arlaine Ostonal, PMP®,
CLSSBB,CSM, Agile Coach

Strategy & Innovation


Rina Marie Guzman, CSSGB, PMP®

Business Transformation


Neo Taronga Jr, ISTQB, ITIL

Quality Management Systems


John Tulagan, PMP®,

Project Management and PMO


Jeffrey Garcia, CLDP

Learning & Development


Carla Martinez

HR & Change Management


Aris Tulalian,
Performance and Well-being coach

Learning & Development