Amber Antaya Umlor, CPA in

Amber Antaya Umlor, CPA

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Director of Accounting Operations at CoreWeave
📍 Oxford, Michigan, United States

Amber is a senior finance and Global Business Services (GBS) leader, currently serving as the Director of Accounting Operations at CoreWeave. A Certified Public Accountant and graduate of Notre Dame College, she has deep expertise in financial transformation, cost-reduction, and systems implementation from her extensive career at General Motors and EY.

She demonstrates a strong global business acumen, shaped by an international leadership assignment in the Philippines. Amber stays current on executive thought leadership from organizations like Harvard Business Review and Bain & Company, reflecting a passion for continuous improvement and strategic planning in a global context.

Unique fact: She served as the Site Leader for GMs GBS Finance operations in Manila, Philippines, holding a Managing Director equivalent role.

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Experience
19 Years
Current Role
Director of Accounting Operations
Job Level
Mid-senior
Location
Oxford, Michigan, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Amber cares about

Global Business Services
A core focus of her career, she has significant experience in GBS transformation, work migration, and building customer-centric shared service teams for global corporations.
Financial Transformation
Known for being a catalyst for change, she specializes in implementing transformational and cost-reduction initiatives within large, matrixed finance departments.
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Career

Work history

5-2025
Director of Accounting Operations
CoreWeave
7-2022 - 5-2025
Assistant Director - Controller, Corporate Accounting
General Motors
6-2019 - 7-2022
Assistant Director GBS Finance, Site Leader for GM Philippines (Managing Director Equivalent)
General Motors
11-2018 - 6-2019
Senior Manager, GBS Customer Centricity Lead
General Motors
8-2017 - 11-2018
Senior Manager, Global Business Services - Transformation Mgmt Office (PMO)
General Motors
In the press

Media appearances

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Education
2002 - 2006
Bachelor of Arts
Notre Dame College
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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