Massiel Guillermo
Human Resources Manager

Massiel Guillermo

Massiel Guillermo is a Human Resources Manager at the Helmsley Charitable Trust. In this role, she manages recruiting and supports onboarding and HR compliance efforts at Helmsley.

Massiel brings over 10 years of human resources experience from various industries including nonprofit, retail real estate, and events management. Throughout her experience, Massiel has focused on many functions, including recruiting, employee relations, and people operations. Prior to joining Helmsley, Massiel worked at Payoneer Inc, a global fintech organization as a people operations and employee experience manager. In this role, Massiel oversaw employee lifecycle processes and regional onboarding/offboarding operations.

Massiel received a Bachelor of Arts in Sociology from Hunter College and Master of Business Administration from Mercy College. During her free time, Massiel loves to travel and work on DIY projects.