Olivia Ratner

Olivia Ratner: Email & Phone Number

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HR Business Partner & Program Manager at Komatsu North America|United States

Position:

HR Business Partner & Program Manager at Komatsu North America

Location:

United States

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Last updated: 2026-06-17
Updated: 2026-06-17

Found email addresses for Olivia Ratner:

Business emails:
o*****r@ddiworld.com,
o***********r@komatsu.eu
Personal emails:
l*********r@gmail.com

Found phones for Olivia Ratner:

+1-323-***-**88,
+1-623-***-**84
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Work Experience 10 years

HR Business Partner & Program Manager at Komatsu North America

Jun 2025 - Current

Human Resources Projects Supervisor at Komatsu Europe

Jan 2023 - Jun 2025

Talent Development Specialist at Komatsu North America

Jun 2021 - Dec 2022

Compensation Benefits Analyst at Komatsu North America

Jul 2019 - May 2021

Human Resources Intern at Hubbell Lighting

May 2018 - Mar 2019

Student Development Officer at Grand Valley State University

Aug 2016 - Aug 2018

Olivia Ratner started working in 2016, then the employee has changed 3 companies and 5 jobs. On average, Olivia Ratner works for one company for 1 year 7 months.

Olivia is proficient in English and Spanish. Their professional focus is 360 Assessments, 360 Degree Assessment, and Accountability Coaching across 3 core areas.

Olivia holds Adult Mental Health First Aid and DDI Facilitator Certification Process Workshop certifications and has registered patents, including "Emergency Notification System". They have also been awarded TOP Women to Watch and 30 UNDER 40 | Celebrating 30 Movers and Shakers

Education

Master's degree at National Louis University

Bachelor of Business Administration at Grand Valley State University

Universitat Autònoma de Barcelona

Frequently Asked Questions

SignalHire found verified email addresses for Olivia Ratner, both business and personal. Their business email is o*********i@komatsuamerica.com, and personal emails include l*********y@yahoo.com, and l*********r@gmail.com.
SignalHire found multiple verified phone numbers for Olivia Ratner: +1-909-***-**22, +1-323-***-**88, and +1-623-***-**84.
You can reach Olivia Ratner through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.
Olivia Ratner has 10 years of professional experience. They have held roles including Human Resources Projects Supervisor, Talent Development Specialist, and Compensation Benefits Analyst at companies such as Komatsu Europe, Komatsu North America, and Komatsu North America. Their education includes Master's degree from National Louis University, and Bachelor of Business Administration from Grand Valley State University.
Yes. Olivia Ratner's SignalHire profile was last updated on 17 June 2026, reflecting their current position as HR Business Partner & Program Manager at Komatsu North America in Chicago, Illinois, United States.

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