

Two decades of experience with the top global consulting firms
Field-tested framework with measurable, ROI-focused transformation
Either we train your team or take the lead ourselves






















"Olga's expertise in organizational change management was an invaluable asset to us during challenging times."
Steve Heitzner
Chief Sales and Marketing Officer Americas
~Marriott International~


"Highly recommend for programs of any size or complexity."
Donna Zaruba Walker
VP CIO Transformations
~Kyndryl~


"Exceptional work and deep expertise in organizational change management in fast-paced and complex environments."
Tom Harker
Former Acting Secretary Department
~Navy~
I am Olga Denisova, Founder and Managing Principal of Trigona Consulting L.L.C.
I've spent nearly two decades working with the top global consulting firms, leading major change management initiatives for clients across countless industries. At Trigona Consulting, we know exactly how to ensure successful transformations.
We make change happen.



"Their expertise in organizational change management was an invaluable asset to us during challenging times."
Steve Heitzner
Chief Sales and Marketing Officer Americas
~Marriott International~


"Exceptional work and deep expertise in organizational change management in fast-paced and complex environments."
Tom Harker
Former Acting Secretary Department
~Navy~


"Highly recommend for programs of any size or complexity."
Donna Zaruba Walker
VP CIO Transformations
~Kyndryl~

I am Olga Denisova, Founder and Managing Principal of Trigona Consulting L.L.C.
I've spent nearly two decades working with the top global consulting firms, leading major change management initiatives for clients across countless industries. At Trigona Consulting, we know exactly how to ensure successful transformations.
We make change happen.

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